Grounding & Bonding
For Electrical Systems
COMMERCIAL
UTILITY
UTILITY
TELECOM
INDUSTRIAL
INDUSTRIAL
RAILWAY
Facility Electrical Protection
Lightning protection, grounding, equipotential bonding
and surge protection are all interdependent disciplines
and the focus of the ERITECH® brand of facility electrical
protection products. Reliable protection of personnel
and structures demands a systematic and comprehensive
approach to minimizing threats caused by transients
and other system disturbances. For instance, no air
terminal can safely capture and arrest the lightning
energy without a dependable route to ground. Equally,
even the most expensive surge protection device
(SPD) will not provide optimum protection if a lowimpedance electrical connection to the ground is not
present. Additionally, a low-impedance ground system
may create hazards to equipment and personnel
alike if equipotential bonding is not in place. These
interdependent disciplines are best applied when looking
at a total facility rather than an individual piece of
equipment or a portion of the facility.
Since no single technology can eliminate the harmful
effects of lightning or induced-surge transients, ERICO
has developed the Six Point Plan of Protection. The
concept behind this plan is a holistic and coordinated
approach that embraces all aspects of effective facility
electrical protection.
RAILWAY
INDUSTRIAL
TELECOM
UTILITY
COMMERCIAL
Founded in 1903 as the Electric
Railway Improvement Company,
ERICO developed the CADWELD®
exothermic welding process in
1938. CADWELD connections have
found industry-wide acceptance
as the ultimate grounding and
bonding connection. During the
1970s, ERICO pioneered the copperbonded steel ground rod electrode.
Today, ERICO’s range of facility
electrical protection products
includes ERITECH® ground rods,
grounding clamps and accessories,
electrical bonding products, ground
enhancement material, ground
testers, lightning protection
components, equipotential mesh
and mats, and signal reference
grids; low-voltage surge protection
devices; and CADWELD® exothermic
connections.
The six interdependent disciplines that form the
protection plan are:
1. Capture the lightning strike
2. Convey this energy to ground
3. Dissipate energy into the grounding system
4. Bond all ground points together
5. Protect incoming AC power feeders
6. Protect low voltage data/telecommunications circuits
At ERICO, we offer innovative, efficient grounding and
bonding products as well as engineering experience
and technical support. With this experience, ERICO is a
world-leading authority in the design and construction of
permanent, low-impedance grounding systems.
ERICO employs a quality-assurance program to help
ensure that detailed procedures required for every step of
the operation produce the best possible system for our
clients. This attention to detail includes design, materials
procurement, manufacturing, installation and testing.
Our research and development capabilities provide
continuous design improvement with new and improved
products that preempt the challenging requirements of
ever-evolving industry applications. Engineering expertise is
shared among the other ERICO operations worldwide, to
provide a comprehensive global knowledge pool.
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Table of Contents
Grounding Principles ....................................... 2 – 10
Grounding System Components ................... 11 – 28
Ground Conductors................................................. 12 – 13
Ground Rods and Couplers...................................... 14 – 17
Ground Clamps and Connectors.............................. 18 – 23
Chemical Ground Electodes ..................................... 24 – 25
Ground Enhancement Material ................................ 26 – 29
Grounding Accessories .................................................... 30
Ground Plates.......................................................... 31 – 32
Equipotential Bonding................................... 33 – 62
Grounding Bus Bars ................................................. 34 – 37
Telecom Ground Bars............................................... 38 – 39
Perimeter Grounding Bus Bars ................................. 40 – 41
Equipment Ground Plates ................................................ 42
Equipment Ground Plate Assemblies................................ 43
Aircraft Grounding Receptacles ....................................... 44
Signal Reference Grids ............................................. 45 – 49
Equipotential Mesh and Mats .................................. 50 – 53
Bonding Devices ...................................................... 54 – 55
Copper Bonding Straps ........................................... 56 – 57
Fence Clamp Assemblies ......................................... 58 – 60
Static Grounding and Bonding................................. 61 – 62
Ground Resistance Testers............................. 63 – 65
Ground Resistance Testers ....................................... 64 – 65
Technical Information .................................... 66 – 68
CADWELD® is an exothermic welding system for developing permanent welded electrical connections that
will never loosen, corrode or increase in resistance. High-quality CADWELD connections are an integral part of
the grounding and bonding process. Contact an ERICO representative today to request additional information
on CADWELD.
www.erico.com
1
Grounding Principles
Introduction
Grounding and bonding are an integral part
of any modern electrical protection system
design.
An effective, low-impedance ground system
is a key element of this system. It is crucial
to help provide personnel safety, as well as
reliable protection for vital equipment and to
minimize interruptions of service and costly
downtime.
With over a century of experience in the
design and manufacture of bonding and
grounding products, ERICO, a single source
provider, offers what we believe is the best
range of long lasting and cost-effective
grounding products available.
Soil conditions and seasonal patterns vary
from site to site, the methods of grounding
need to be considered on an individual basis.
GROUNDING PRINCIPLES
Basic Definitions
It is a fundamental fact that electricity ALWAYS flows to
the point of lowest potential. The task is to help ensure that
electricity, including faults, lightning and electronic noise,
flows to this point with maximum safety to people, while
maintaining the reliability of equipment. Therefore we must
help ensure the safe, controlled flow of electricity with
minimum voltage drop to earth in all cases.
Ground: A conducting connection, whether intentional
or accidental, between an electrical circuit or equipment
and the earth, or to some conducting body that serves in
place of the earth.
Earth: The conductive mass of the earth, whose electric
potential at any point is conventionally taken as equal
to zero. (In some countries the term “ground” is used
instead of “earth.”)
Grounding Codes and Standards
Grounding needs vary according to function. The grounding
requirements of a power system will vary from those of
electrical equipment, lightning protection or for the proper
function of electronic equipment.
Bonding: The permanent joining of metallic parts to
form an electrically conductive path that will ensure
electrical continuity and the capacity to conduct any
current likely to be imposed.
Proper installation of appropriate grounding systems
requires knowledge of the needs and layout of the
facility. Soil characteristics, grounding conductor materials
grounding connections and terminations, are significant
factors determining the design of a grounding system.
Applicable standards and codes must be applied.
TECHNICAL INFORMATION
The need to ground!
There are important reasons why a grounding system
should be installed.
1 The most important reason is to help protect people!
While many codes and standards contain minimum
grounding and bonding requirements, the design and
installation of electrical grounding systems is one of the
most important aspects of any electrical distribution system.
However, codes and standards are often misunderstood
and grounding systems subsequently installed improperly.
2 To help provide protection of structures and
equipment from unintentional contact with live
conductors.
3 To help support maximum safety from electrical
system faults and lightning.
2
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Grounding Principles
Why is Good Grounding Important?
Ground Impedance
The transient nature of lightning with its associated
fast rise times and large magnitude currents mean that
special consideration needs to be given to grounding, for
lightning protection to be effective. Many factors such as
soil resistivity variations, installation accessibility, layout
and existing physical features are all site specific and tend
to affect decisions on grounding methods employed. The
primary aim of a direct strike grounding system is to:
Soil resistivity is an important design consideration. It
varies markedly for different soil types, moisture content
and temperatures and gives rise to variations in ground
impedances.
Short, Direct Ground Connections
The voltage generated by a lightning discharge
depends primarily on the risetime of the current and
the impedance (primarily inductance) of the path to
ground. Extremely fast rise times result in significant
voltage rises due to any series inductance resulting from
long, indirect paths, or sharp bends in the routing of
ground conductors. This is why short, direct ground
connections are important.
• Efficiently dissipate lightning energy into the ground
• Help protect equipment and personnel
Grounding Principles
Low impedance is the key to lightning protection. All
grounding connections should be as short and direct
as possible to minimize inductance and reduce peak
voltages induced in the connections. The ground
electrode system must efficiently couple lightning surges
into the ground by maximizing capacitive coupling to
the soil. The resistance of the ground itself to lightning
currents must also be minimized. Only when all these
factors are taken into account will maximum lightning
protection be achieved.
Coupling from the Electrode System
to the Ground
Earth Pit
GEM
A typical grounding system.
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3
TECHNICAL INFORMATION
Downconductor
GROUNDING PRINCIPLES
The efficiency of a ground electrode system in coupling
a lightning current to ground is dependent on a number
of factors, including the geometry of the ground
electrode system, the shape of the conductors and the
effective coupling into the soil.
Grounding Principles
• Good corrosion resistance
Figure 1-A
Distance from
the electrode
Ground Rod
The ground electrode system should be corrosion resistant,
and compatible with other conductors that are buried
and bonded to the ground system. Copper is by far the
most common material used for grounding conductors. In
general, some form of maintenance or inspection procedure
should be adopted to ensure the long-term effectiveness of
a grounding system.
• Electrically and mechanically robust and reliable
Mechanical coupling can be used to join ground conductors,
but suffers from corrosion effects when dissimilar metals
are involved. As well as mechanical strength, CADWELD®
connections provide excellent low impedance, long life
electrical connections with excellent corrosion resistance.
Ground Resistance
TECHNICAL INFORMATION
GROUNDING PRINCIPLES
Figure 1-B
Figure 1-B illustrates current flow from the injection
point of a single ground electrode. As current flows out
from the central injection point, a voltage gradient on the
ground surface around the electrode is produced. This
gradient levels off to a plateau at some distance from the
electrode, as seen in Figure 1-A. The impedance seen
by the current is determined by the soil particles in direct
contact with the surface of the rod, and by the general
impedance of the soil.
When current flows from a ground electrode into the
surrounding soil, it is often described as flowing through a
series of concentric shells of increasing diameter.
Each successive shell has a greater area for current flow
and consequently, lower resistance. At some point distant
from the earth conductor the current dissipation becomes
so large and current density so small, that the resistance is
negligible.
In theory, the ground resistance may be derived from the
general formula:
R = P L Resistance = Resistivity x Length
A
Area
Characteristics of a Good Grounding System
• Good electrical conductivity
• Conductors capable of withstanding available
electrical fault currents
This formula illustrates why the shells of concentric earth
decrease in resistance the farther they are from the ground rod:
R = Resistivity of Soil x Thickness of Shell
Area
• Long life — at least 40 years
• Low ground resistance and impedance
The basic philosophy of any grounding installation should
be an attempt to maximize the surface area of electrodes
or conductors with the surrounding soil. Not only does
this help to lower the earth resistance of the grounding
system, but it also greatly improves the impedance of the
grounding system under lightning surge conditions.
• Equipotential bonding
Equipotential bonding helps ensure that hazardous
potential differences do not occur between different
incoming conductors such as metallic water services,
power systems, telecommunication systems and the
local ground, and also minimizes step and touch
potentials.
In the case of ground resistance, uniform earth (or soil)
resistivity throughout the volume is assumed, although this
is seldom the case in nature. The equations for systems
of electrodes are very complex and often expressed only
as approximations. The most commonly used formula for
single ground electrode systems, developed by Professor H.R.
Dwight of the Massachusetts Institute of Technology, is the
following:
ρ
R = __
2πL
{(ln 4L) - 1}
r
R = resistance in ohms of the ground rod to the earth (or soil)
L = grounding electrode length
r = grounding electrode radius
ρ = average resistivity in ohms-cm.
4
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Grounding Principles
Conditions Influencing Soil Resistivity
The resistance of the earth itself (soil resistivity) can
significantly impact the overall impedance of the grounding
system. Several factors, such as soil composition, moisture
content, mineral content, contaminants, etc., determine the
overall resistivity of the earth.
≤
Resistivity ohm-cm
Average
Min.
Max.
Fills – ashes, cinders, brine
wastes
2,370
590
7,000
Clay, shale, gumbo, loam
4,060
340
16,300
15,800
1,020
135,000
94,000
59,000
458,000
Clay, shale, gumbo, loam with
varying proportions of sand and
gravel
Gravel, sand, stones, with little
clay or loam
Figure 2
The Four-Point Method
U.S. Bureau of Standards Technical Report 108
1. Four test stakes are positioned in a straight line an equal
distance apart and are hammered into the ground to be
surveyed to a depth of not more than 1/20 the distance
between the adjacent stakes.
Soil Resistivity Testing
To properly design a grounding system, it is essential to
test soil resistivity. Several methods can he used to measure
earth resistivity: the four-point method, the variation
in-depth method (three-point method) and the two-point
method. The most accurate method and the one that
ERICO recommends is the four-point method.
2. An earth resistance tester is connected to these four
stakes as shown in Figure 2.
3. The DC test option on the tester is then selected and
performed, and the resistance figure “R” recorded.
4. The soil resistivity level “r” (in ohms/cm) is then
calculated using the formula: r=2paR where:
R = the resistance figure, in ohms
a = the separation of the test stakes, in meters.
p=
1 + 2A
√ (A2 + 4B2)
4πAR
–
2A
√ (A2 + 4B2)
GROUNDING PRINCIPLES
SOIL TYPE
B = electrode depth in centimeters
If A > 20 B, the formula becomes:
p = 2π AR (with A in cm)
p = 191.5 AR (with A in feet)
p = Soil resistivity (ohm-cm)
This value is average resistivity of the ground at a depth
equivalent to the distance “A” between two electrodes.
Sphere of Influence - electrical current flows from the ground
rod into surrounding soil and progressively dissipates in waves of
increasing diameter.
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5
TECHNICAL INFORMATION
Where:
A = distance between the electrodes in centimeters
TECHNICAL INFORMATION
GROUNDING PRINCIPLES
Grounding Principles
Avoid hazardous
Step and Touch Potentials
(shock) or even death by low
impedance grounding and bonding
between metallic equipment,
chassis, piping, and other conductive
objects so that currents, due to
faults or lightning, do not
result in hazardous
voltage rise.
Step and Touch Potential
Step Potential
Step Potential is the voltage difference between
a person’s feet caused by the dissipation gradient
of a fault entering the earth.
Without
Protection
Without
Protection
Touch Potential
Touch Potential is similar to “Step Potential”
except that the fault current passes through
the person’s arm and torso on the way to the
ground.
Another function of the grounding system is
to provide a reference for circuit conductors to
stabilize their voltage to ground during normal
operation. The earth itself is not essential to
provide a reference function; another suitable
inductive body may be used instead.
The function of a grounding electrode system
and a ground terminal is to provide a system of
conductors, which ensures electrical contact with
the earth.
Difference of
Potential
50% Drop
6
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Grounding Principles
Grounding / Earthing System Design
A proper facility grounding system incorporates these
necessities in the most cost-effective manner that will last
for the design life of the facility.
Grounding systems are important. It is not expensive
to build an appropriate ground system during initial
construction of a facility, but it can be very expensive to add
to it, enhance it, or replace it after the facility is complete.
Care should be taken to design a system that is appropriate
both for clearing ground faults and dissipating lightning
energy. The system must have a long performance life,
meet applicable codes / standards for safety, and have
sufficient bonding points to make it easy to add new
equipment / facility grounding to it easily.
ERICO is a manufacturer and marketer of grounding,
bonding, lightning protection and surge protection
products and systems. ERICO has many knowledgeable
and experienced engineers on staff with the training and
the tools (including some of the latest design software) to
design appropriate grounding systems. These engineers can
assist facility owners, engineers and contractors in designing
the most appropriate system for the facility in question.
Grounding Chain
Design considerations include:
1. Grounding Electrode Conductor
•
•
•
•
•
•
•
Purpose of facility
Design life of facility
Soil resistivity at 3 depths
Corrosive nature of soil
Shape and available area of facility site
Existing structures and their grounding systems
Seasonal variations in moisture and temperature for
facility site
• Public access & personnel use
• Adjacent facilities and electrical systems
• Future uses, additions, equipment for facility
2. Grounding Connections
3. Grounding Electrode
4. Electrode to Soil Resistance
For proper operation of overcurrent devices, it is important
to have a low DC ohmic resistance to remote earth. In
many instances, this is best achieved by installing a deep
ground electrode on site. It should be driven deep enough
to reach the permanent water table.
For dissipation of direct or indirect lightning currents, it
is better to have many horizontal ground conductors in
the soil, preferably in a radial array. This provides a low
impedance path of dissipation to the high frequency
component of the lightning energy.
For personnel, particularly where people congregate or
where equipment operators will be located, it is important
to have a grid system or other equipotential plane to reduce
“step potential” and have equipment and metal structures
bonded to the ground system to reduce “touch potential”.
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7
TECHNICAL INFORMATION
GROUNDING PRINCIPLES
5. Soil
Grounding Principles
The Grounding Chain
The performance of the grounding system is determined by
the quality of the following five components all of which
are of equal importance.
1. The Grounding Electrode Conductor. Typically made
from copper or copper-bonded steel, the grounding
electrode conductor must be large enough to withstand
the maximum available fault current over the maximum
clearing time.
TECHNICAL INFORMATION
GROUNDING PRINCIPLES
2. The Grounding Connections. Often overlooked, the
grounding connections are used to tie the elements of
the electrode system together. Exothermically welded
connections provide a molecular bond that will never
loosen or corrode. Mechanical connectors, such as
crimp, bolted, and wedge type, rely on physical pointto-point surface contact to maintain the integrity of
the electrical connection. IEEE® Standard 837 provides
detailed information on the application and testing of
permanent grounding connections. ERICO can provide
an independent, third-party test report evaluating the
performance of these connectors in accordance with
the testing procedures set forth in IEEE 837 Standard for
Qualifying Permanent Substation Grounding Connections.
3. The Grounding Electrode. The grounding electrode
provides the physical connection to the earth and is the
instrument used to dissipate current into it. There are
two main types of electrodes. “Natural” electrodes are
intrinsic to the facility and include metal underground
water pipe, the metal frame of the building (if effectively
grounded), and reinforcing bar in concrete foundations.
“Made” electrodes are installed specifically to improve
the performance of the ground system and include wire
meshes, metallic plates, buried copper conductor and
rods or pipes driven into the ground. The ground rod is
the most widely used electrode.
and to determine the depth of the conductive soil so that
electrodes can be placed accordingly.
The grounding system will carry little or no current for long
periods of time until a fault occurs or a lightning strike
or other transient requires dissipation. At that point, the
grounding system components will be expected to perform
like new while conducting large amounts of current.
Most of the grounding system is concealed below grade,
making inspection of the grounding components difficult
or impossible. The underground environment is a harsh
one. The initial selection of the components used in the
grounding system is of critical importance to its long-term
effectiveness.
CADWELD®
Exothermic
Connection
4. Electrode to Soil Resistance. Amount of rod surface and
rod replacement are the controlling factors. Doubling
diameter reduces resistance by only 10% and is not cost
effective. Doubling rod length, however, theoretically
reduces resistance by 40%. The most common solution is
proper placement of multiple rods that are driven to the
required depths.
Ground
Enhancement
Material
(GEM)
ERITECH®
Copper-bonded
Ground Rod
5. The Soil. The soil resistivity, measured in ohm-centimeters
or ohm-meters, plays a significant role in determining
the overall performance of the grounding system and
must be known before a proper grounding system can
be engineered. Measuring soil resistivity allows the design
engineer to locate an area with the most conductive soil
8
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Ground System Components
Ground Electrodes
The ground electrode is a critical component of the grounding system. Many different types of electrodes
are available, some “natural” and some “made”. The natural types include metal underground water
pipe, the metal frame of a building (if effectively grounded), a copper wire or reinforcing bar in a
concrete foundation or underground structures or systems. Consideration should be given
to bonding of natural earths to ensure electrical continuity with a facility’s other “earths”.
“Made” electrodes are specifically installed to improve the system grounding or
earthing. These earth electrodes must ideally penetrate into the moisture
level below the ground level to reduce resistance. They must also consist
of metal conductors (or a combination of metal conductor types), which
do not corrode excessively for the period of time they are expected to serve.
Made electrodes include rods or pipes driven into the earth, metallic plates
buried in the earth or a copper wire ring encircling the structure.
Underground gas piping or aluminum electrodes are NOT permitted for
use as ground electrodes.
Ground Rods Which ground rod should be used?
Galvanized steel rods are one of the cheapest electrodes
available. However, they are not the most cost effective
since they have a relatively short service life. Solid copper
and stainless steel rods have a long service life. However,
they are considerably more expensive than galvanized steel
rods. In addition to this, solid copper rods are not suited
to deep driving or even driving short lengths into hard
ground, without bending.
Copper-Bonded
Ground Rod
• Cost-effective
long service life
Copper-bonded
coating:
Ask for the ERICO White Paper on Ground Rods –
Copper-bonded vs. Galvanized.
Galvanized
Ground Rod
• Lower purchase
price — not as
cost-effective
over the expected
life as Copperbonded
• Permanent molecular
bond
• Low resistance
performance
Galvanized coating:
• High fault current
capacity (IEEE® Std 80)
• Relatively short
service life
• Will not slip or
tear when driven
GROUND SYSTEM COMPONENTS
Ground rods are often selected on the basis of their resistance to
corrosion. The other major factor is cost. All too often, the cost of
a product is seen as the initial up front price, but the real cost is
determined by the serviceable life of the ground rod.
• May crack if rod
is bent
• Will not crack if
rod is bent
3.9 mil (99 micron)
minimum coating
per ASTM® 123
• 10 mil (254 micron)
minimum coating
on rods listed to
UL®467
The photo shows two ground rods
subjected to the same pressure load test.
The ERITECH® copper-bonded ground rod,
shown on the left, will bend without tears,
cracks or folds, to the outer sheath. The
inferior copperclad rod shown on the right, has
developed cracks and creases to the outer sheath,
which will significantly reduce its serviceable life and
put the integrity of the entire electrode at risk.
Carbon Steel
core and tip*:
• Greater tensile strength
• Deep driving capability
* ERICO copper-bonded
and galvanized rods
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9
TECHNICAL INFORMATION
• Copper coating
may vary to meet
required standards
Ground System Components
NEGRP
The photo on the left shows two ground rods that were
driven into the soil vertically at the Pecos testing site in
Las Vegas, NV in December of 1992. The top ground
rod is galvanized steel, 3/4” x 10’. Bottom ground rod
is copper-bonded, 5/8” x 8’. Both ground rods were
exhumed from the site in April of 2004. The loss of zinc
resulted in excessive corrosion of the steel. The copperbonded steel ground rods showed minimal corrosion.
Copper-Bonded Ground Rod
The copper-bonded ground rod has an electrolytic
coating of copper deposited over a layer of nickel. This
process ensures a long lasting, molecular bond between
the copper layer and the steel core. ERICO recommends
copper-bonded ground rods because the copper coating
will not slip or tear when driven, nor will it crack if the
rod is bent. The tough, carbon steel core has good
characteristics for deep driving. Copper-bonded ground
rods have a high resistance to corrosion and provide
a low resistance path to ground.
GROUND SYSTEM COMPONENTS
The Stainless Steel Ground Rod Option
It is important to note that certain soils and land fill areas
may not be compatible with copper. In these situations,
stainless steel is a better proposition. Stainless steel may
also be an alternative, where structures or components,
such as steel towers, poles or lead sheathed cables are
in close proximity to an array of ground electrodes. In
these circumstances, consideration must be given to
the consequence of galvanic corrosion. The high cost of
stainless steel rods prohibits their widespread use.
Excavated after 12 years.
Excavated after 11 years.
The photo on the right shows a galvanized steel ground
rod driven vertically into the ground at the Pawnee
testing site in Las Vegas, NV. One area is reduced from a
3/4” diameter to approximately a 1/4” diameter due to
extensive corrosion. The eventual failure would result in a
potentially catastrophic loss of ground.
Ground Rod Life Expectancy
Ground Rod Annual Cost
50
400%
45
Comparative Cost
40
30
25
15
200%
100%
10
Stainless Steel
Stainless Steel
Copper-bonded Steel
(13 mil/330μm)
Copper-bonded Steel
(10 mil/254μm)
0
Copper-bonded Steel
(13 mil/330μm)
0%
5
Copper-bonded Steel
(10 mil/254μm)
10
Zinc Galvanized
TECHNICAL INFORMATION
20
300%
Zinc Galvanized
Years
35
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Grounding System Components
PGS 14
PGS
PG
14-1
4-17
-1
17
GROUND RODS
P 17
PG
PG 21
PG
COMPRESSION
C
OMPRESSION C
COUPLER
OUPLER
PG 18
FENCE CLAMP
PG 2
PG
28
8
GROUN
ND
DP
PLLA
ATTE
ww
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11
GROUNDING SYSTEM COMPONENTS
GROUND
ROUND ROD
ROD CLAMPS
CLAMPS
Ground Conductors
Conductors
There are two basic criteria for grounding conductor
selection:
1. The physical characteristics of the conductor must be
of a robust nature, sufficient for the environment.
GROUNDING SYSTEM COMPONENTS
GROUND CONDUCTORS
2. The cross sectional area of the conductor must be of
sufficient size, so that it shall successfully conduct the
maximum fault current for a period, which allows
the operation of protection equipment (or the
dissipation of this energy).
Physical Characteristics
The most common ground conductor is a soft drawn,
stranded copper conductor. Flat copper strip / tape is also
popular because it offers a large surface area, resulting in
lower impedance.
Bare Copper & Tinned Copper
In some circumstances, the maximum fault current for the
installation is small. While a conductor of correspondingly
small size could be used, a minimum cross section, often
set by the governing authority or applicable standards
body (to minimize potential damage likely to occur from
any future excavation on the site), is applied.
Insulated Cables
Contact ERICO
for available sizes
#8 AWG and up.
Contact ERICO
for available sizes
#8 AWG and up.
Flat Strip Ground Conductor
• Pure electrolytic copper
• Low impedance
• Lower impedance than equivalent
sized round conductor
Maximum Fault Current
Where higher fault conditions exist, the conductor size
is determined by considering the circumstances required
to avoid fusing (melting) the conductor. The accepted
industry standard is IEEE® 80, Guide for Safety in
Substation Grounding.
Contact ERICO for available sizes minimum thickness of 26 gauge (0.159 in)
Copper-Bonded Steel Conductor
Cross
section
12
Contact ERICO for
more information.
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Ground Conductors
Theft Deterrent Composite Cable
Theft deterrent composite cables are bare or insulated
concentric stranded conductors that consist of peripheral
galvanized steel stranding, which protects and conceals the
internal tinned copper strands.
These conductors are ideal for exposed elecrical distribution
grounding leads where copper theft may occur. These
conductors are difficult to cut with hand tools and the outter
steel stranding is magnetic, which further deters thieves
looking for copper.
CC5A20
Global
Part
Stranding
Number
(Reel)
(1) Tinned
112% of
0.330 in
Copper, (6) 0.485 Ω/1,000
4 AWG
250 ft
(0.838
Galvanized ft; 1.499 Ω/km
(100% of (76.2 m)
cm)
Steel
16 mm²)
57 lbs
(25.85
kg)*
CC5A05
(3) Tinned
113% of
0.334 in
Copper, (16) 0.457 Ω/1,000
4 AWG
250 ft
(0.848
Galvanized ft; 1.591 Ω/km
(100% of (76.2 m)
cm)
Steel
16 mm²)
58 lbs
(26.31
kg)*
CC5A20
CC5A20INS
CC5A30INS
CC5A30
CC5A30INS
CC5A40
CC5A30INSK
CC5A40INS
Aluminum Composite Cable Clip
• For use with CC5A04
Theft Deterrent Cable
CC5A40
Part No.
Conductor Range (AWG)
Standard Package
CCL04A
14 solid – 2/0 solid
100
www.erico.com
CC5A40INS
*
13
Fusing
Standard
Outside Capacity
Weight
Packaging
Diameter EquivaQuantity
lency
CC5A04
CC5A20INS
CC5A30
Resistance
(133)
Tinned
Copper, (21)
Galvanized
Steel
(133)
Tinned
Copper, (21)
Galvanized
Steel
(133)
Tinned
Copper, (24)
Galvanized
Steel
(133)
Tinned
Copper, (24)
Galvanized
Steel
(133)
Tinned
Copper, (24)
Galvanized
Steel
(133)
Tinned
Copper, (28)
Galvanized
Steel
(133)
Tinned
Copper, (28)
Galvanized
Steel
0.098 Ω/1,000
ft; 0.320 Ω/km
100% of
0.526 in
2/0 AWG
(1.336
(> 50
cm)
mm²)
200 ft
(61.0 m)
109 lbs
(49.44
kg)*
0.098 Ω/1,000
ft; 0.320 Ω/km
100% of
0.526 in
2/0 AWG
(1.336
(> 50
cm)
mm²)
200 ft
(61.0 m)
135 lbs
(61.24
kg)*
0.076 Ω/1,000
ft; 0.249 Ω/km
100% of
0.572 in
3/0 AWG
(1.453
(> 70
cm)
mm²)
200 ft
(61.0 m)
135 lbs
(61.23
kg)*
0.076 Ω/1,000
ft; 0.249 Ω/km
100% of
0.572 in
3/0 AWG
(1.453
(> 70
cm)
mm²)
200 ft
(61.0 m)
135 lbs
(61.23
kg)*
0.076 Ω/1,000
ft; 0.249 Ω/km
100% of
0.572 in
677.2 lbs
3/0 AWG 1000 ft
(1.453
(367.2
(> 70
(304.8 m)
cm)
kg)*
mm²)
0.057 Ω/1,000
ft; 0.188 Ω/km
100% of
0.656 in
4/0 AWG
(1.666
(> 95
cm)
mm²)
200 ft
(61.0 m)
172 lbs
(78.02
kg)*
0.057 Ω/1,000
ft; 0.188 Ω/km
100% of
0.656 in
4/0 AWG
(1.666
(> 95
cm)
mm²)
200 ft
(61.0 m)
199 lbs
(90.27
kg)*
Weight does not include reel.
GROUND CONDUCTORS
CC5A05
GROUNDING SYSTEM COMPONENTS
CC5A04
Ground Rods and Couplers
Ground Electrodes
Ground Rod Accessories and Application
ERICO, a leading manufacturer of UL® listed copperbonded ground rods, offers a complete range of
rods, driving sleeves and studs, rod coupling methods
and connections for reliable grounding in nearly any
application.
Driving Sleeves
The driving sleeve
fits over the
pointed ground
rod to protect
the rod end from
“mushrooming” as
the ground rod
is driven into earth.
GROUNDING SYSTEM COMPONENTS
GROUND RODS AND COUPLERS
Ground
Rods
Ground Rod
Diameter and
Length
Compression
Coupling
Ground rod
diameter
must also be
considered.
Although larger
diameter rods
are more rigid
and less prone to whip or bending, they may have a
greater drag than smaller diameter rods when being
driven. It must also be noted that increasing the ground
rod diameter has relatively small impact on grounding
system resistance when compared to length. Standards
nominate a minimum diameter or periphery and thickness
if not cylindrical, mainly based on mechanical strength.
Couplings enable
ground rods to
be driven quickly
and easily without
the risk of rod
separation. They are
generally tapered so
when the rod is driven
into the coupling, the two
parts compress to form
a conductive connection.
Threaded
Coupling
In general, lightning protection standards recommend
copper-bonded electrodes of specified diameter. Standard
UL 467 requires a minimum rod length of 8’ with a
minimum diameter of 0.50” and 10 mils of copper.
Threaded couplings
allow for full contact
of the rod point
with the butt end of
the preceding rod.
Other standards may nominate a specific resistance for
the installation. If space is limited, the contractor may be
required to install electrodes to a depth that achieves the
required value.
14
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Ground Rods and Couplers
Steel Driving Sleeves for Pointed Rods*
Copper-Bonded Ground Rods
Pointed Rods
• Slides on top of ground rod to
prevent mushrooming while
driving into ground
• 99.9% pure electolytic
copper coating
• Molecular bond to
nickel-sealed high strength
steel core
• Tensile strength greater than 80,000 PSI on 1/2” &
90,000 PSI on 5/8” and 3/4”
• Minimum copper coating of 10 mils on rods listed to
UL® 467
• Legibly marked with manufacturer’s ID and catalog
designation
Part No.
Ground Rod Size (Unthreaded)
Standard Package
B13714
B13716
B13731
B13718
B13733
B13722
B13737
1/2” Copper-Bonded or Steel rod
5/8” Copper-Bonded rod (.563” diameter)
5/8” Steel rod (.625” diameter)
3/4” Copper-Bonded rod (.682” diameter)
3/4” Steel rod (.750” diameter)
1” Copper-Bonded rod (.914” diameter)
1” Steel rod (1.00” diameter)
1
1
1
1
1
1
1
*For unthreaded ground rods only.
• Manufactured to exceed the requirements of
ANSI ® /NEMA® GR1
Length
(ft)
4
Plating
Weight per Standard
Thickness (mils) 100 rods (lbs) Bundle
10
135
5
613880**
611380
615880
615880
613480
613483
3/8
1/2
5/8
5/8
3/4
3/4
8
8
8
8
8
8
10
10
10
13*
10
13*
270
553
680
680
1,000
1,000
5
5
5
5
5
5
611300
615800
615803
613400
614400
1/2
5/8
5/8
3/4
1
10
10
10
10
10
10
10
13*
10
10
738
844
844
1,240
2,204
5
5
5
5
5
615812
613412
5/8
3/4
12
12
10
10
1,000
1,480
5
5
615815
613415
5/8
3/4
15
15
10
10
1,275
1,850
5
5
Economical Sleeves for 5/8” Copper-Bonded,
Pointed Rods
Part No.
Ground Rod Size
Standard Package
EDS58
5/8” Copper-Bonded Rods (.563” diameter)
1
Driving Heads For Copper-Bonded
Pointed Rods
* 13 mils of copper meet specifications of RUS.
** Non-UL listed rods.
† Additional lengths available.
• For use in power assisted
ground rod drivers
Threadless Compression Couplers for
Copper-Bonded Pointed Rods
7.00”
4.00”
GROUND RODS AND COUPLERS
613840**
Nominal
Diameter (in)
3/8
Part No.
• Tapered so when rod is driven into
coupling, parts compress to form a
conductive connection
.850”
• UL & CSA® Listed
Part No.
CC12F
CC58
CC34
Nominal Rod
Diameter (in)
1/2 (full)
5/8
3/4
www.erico.com
Unit Weight
(lbs)
0.240
0.300
0.450
Unit Weight
(kg)
0.108
0.134
0.202
Standard Package
25
25
25
15
Part No.
Ground Rod Size
Standard Package
DH58
DH34
5/8” Copper-Bonded Rods (.563” diameter)
3/4” Copper-Bonded Rods (.682” diameter)
1
1
GROUNDING SYSTEM COMPONENTS
• Made of high-strength silicon bronze
Ground Rods and Couplers
Couplers For Threaded Rods
• High-strength couplings are
threaded bronze and chamfered
at both ends for easy driving
• Corrosion-resistant couplings
ensure permanent, lowresistance copper-to-copper
connections
• UL® & CSA® Listed
Part No.
Nominal Rod Diameter (in)
CR12S
CR58
CR34
CR100
1/2 (full)
5/8
3/4
1
Standard
Package
25
25
25
1
Copper-Bonded Ground Rods
Sectional, Threaded Rods
• Cold-rolled threads with continuous,
unbroken grain flows preserve copper
coating and are stronger than cut
threads
GROUND RODS AND COUPLERS
Ground Rod Driver
• Usable on all types of round ground rods: copperbonded, galvanized, stainless steel
• Electrolytically copper-bonded steel:
copper is molecularly bonded to
nickel-sealed, high-strength steel cores
• 5/8” (14.2 mm) and 3/4” (17.2 mm) inserts are
interchangeable with standard driver body
• Minimum copper coating of 10 mils on rods listed to
UL® 467
• The driver will not deform the end of the rod, making
connection of the ground conductor quick and easy
Part No.
EGRD58
EGRD58 I *
EGRD34
EGRD34 I *
Description
• ERITECH® name, length, diameter and part number is
roll-stamped within 12” of chamfered end
Weight (lbs)
5’ Driver body with insert for up to 5/8”ground rods
• UL logo and control number where applicable stamped
on each rod for easy inspection after installation
23
Replacement insert for 5/8” copper-bonded ground rods
6
5’ Driver body with insert for up to 3/4” ground rods
23
Replacement insert for 3/4” copper-bonded ground rods
and 5/8” galvanized ground rods
• Manufactured to exceed the requirements of
ANSI®/NEMA® GR1
6
*Both 5/8“ and 3/4“ inserts fit standard driver body.
631300
631380
Nominal
Diameter (in)
1/2
1/2
633400
633480
634400
635800
635830
635840
635850
635860
635880
635883
3/4
3/4
1
5/8
5/8
5/8
5/8
5/8
5/8
5/8
GROUNDING SYSTEM COMPONENTS
Part No.
Driving Stud For Threaded Rods
Part No.
Nominal Rod Diameter (in)
Standard Package
DS12S
DS58
DS34
DS1
1/2 (full)
5/8
3/4
1
25
25
25
1
Length
(ft)
10
8
10
8
10
10
3
4
5
6
8
8
Plating
Thickness (mils)
10
10
10
10
10
10
10
10
10
10
10
13*
Weight per
100 rods (lbs)
688
540
1,240
1,000
2,204
844
262
344
420
504
680
680
Standard
Bundle
5
5
5
5
5
5
5
5
5
5
5
5
* 13 mils of copper meet specifications of RUS
16
www.erico.com
Ground Rods and Couplers
Stainless Steel Ground Rods
Galvanized Pointed Ground Rods
• Sectional rods utilize
a cut thread for
highly corrosive soil
681300S
683400S
683450S
685800S
685880S
1/2 (full)
3/4 (full)
3/4 (full)
5/8 (full)
5/8 (full)
Stainless Steel
Type
302 - 304
302 - 304
302 - 304
302 - 304
302 - 304
302 - 304
10
10
5
10
8
302 - 304
302 - 304
302 - 304
302 - 304
302 - 304
Pointed
Pointed
Pointed
Pointed
Pointed
Pointed
Standard
Bundle
5
5
5
5
5
5
Sectional
Sectional
Sectional
Sectional
Sectional
5
5
5
5
5
Rod Type
• Zinc-coated exteriors are
hot-dip galvanized for solid
protection against corrosion,
in accordance with ASTM®
specification A153-78
• Surfaces are rigidly inspected to eliminate seams, slivers
and other defects
Part No.
Couplers for Threaded Stainless
Steel Ground Rods
Part No.
Nominal Rod Diameter
(in)
Stainless Steel Type
Standard Package
CR58SS
5/8 (full)
304
1
CR34SS
3/4 (full)
304
1
Length
(ft)
Weight per
100 rods (lbs)
Standard
Bundle
811350
1/2 (full)
5
344
5
811360
811380
1/2 (full)
6
8
413
550
5
813400*
813460*
813480•
3/4
1,396
858
1,120
5
3/4
10
6
8
814400
1
10
2,716
5
815800*
815850
5/8 (full)
1,060
530
5
5/8 (full)
10
5
815860*
5/8 (full)
6
636
5
815880*•
5/8 (full)
8
844
5
1/2 (full)
3/4
5
5
5
5
* For rods with a UPC label, add “UPC” to end of part number (example:
813400UPC).
• Meets specifications of RUS.
Compression Couplers for Threadless
Stainless Steel Ground Rods
Convenient Ground Electrode (CGE) Kits
Part No.
Nominal Rod Diameter
(in)
CC58SS
5/8 (full)
304
1
CC34SS
3/4 (full)
304
1
Stainless Steel Type
Nominal Diameter
(in)
• The UL®-Listed, NEC®Compliant ERITECH CGE kit
allows for installation from
ground level and is much easier
to transport than eight-foot
ground rods.
Standard Package
Galvanized Steel Compression Coupler
• The ERITECH CGE kits are designed for #6 and #4 solid
copper conductor applications.
KIT INCLUDES
Part No.
Rod Diameter (in)
GCC58F
5/8 (full)
25
GCC34
3/4 (.727-.738)
25
www.erico.com
2ERITECH
ERITECH
Article Part ERITECH
HAMMERLOCK Drive Wire Sizes
Metric Wire Sizes
No.
No. Ground
or Clamp
Sleeve
Rods
155991 CGE51K 615840
EHL58C1K
EDS58 #4 Sol - #6 Sol 10mm2 Str - 16mm2 Str
Standard Package
155993 CGE5CP 615840
17
CP58
EDS58 #8 Sol - #2 Str 10mm2 Sol - 35mm2 Str
GROUND RODS AND COUPLERS
681300
683400
683450
683480
685800
685880
Nominal Diameter Length
(in)
(ft)
1/2 (full)
10
3/4 (full)
10
3/4 (full)
5
3/4 (full)
8
5/8 (full)
10
5/8 (full)
8
• RUS Approved where
indicated
GROUNDING SYSTEM COMPONENTS
Part No.
• Meets ANSI ® /NEMA® GR1
Ground Clamps and Connectors
ERITECH® HAMMERLOCK
• Low resistance connection
• Irreversible connection with
excellent mechanical strength
• Fast and simple installation
• cULus® Listed
GROUNDING SYSTEM COMPONENTS
GROUND CLAMPS AND CONNECTORS
Part No.
Ground Rod Size (in)
For Copper-bonded Ground Rods
1/2 (full)
EHL12FC2G
Conductor Range (AWG)
1/0 stranded – 2/0 stranded
EHL12FC1V
1/2 (full)
4 stranded – 2 stranded
EHL12FC1K
1/2 (full)
6 solid – 4 solid
EHL58C2G
5/8
1/0 stranded – 2/0 stranded
EHL58C1V
5/8
4 stranded – 2 stranded
EHL58C1K
5/8
6 solid – 4 solid
EHL34C2G
3/4
1/0 stranded – 2/0 stranded
EHL34C1V
3/4
4 stranded – 2 stranded
EHL34C1K
3/4
6 solid – 4 solid
Ground Rod Size (in)
Conductor Range (AWG)
ERITECH® HAMMERLOCK for 2 Conductors
Standard Package: 25
Part No.
For Galvalnized Ground Rods
EHL58G2G
5/8 (full)
1/0 stranded – 2/0 stranded
EHL58G1V
5/8 (full)
4 stranded – 2 stranded
EHL58G1K
5/8 (full)
6 solid – 4 solid
EHL34G1V
3/4
4 stranded – 2 stranded
EHL34SG1V*
3/4
4 stranded – 2 stranded
EHL34G1K
3/4
6 solid – 4 solid
EHL34SG1K*
3/4
6 solid – 4 solid
Part No.
Ground Rod Size (in)
Conductor Range (AWG)
For Copper-bonded Ground Rods
1/2 in
EHL12FC1K1K*
6 solid – 4 solid
5/8 in
6 solid – 4 solid
5/8 in
6 solid – 4 solid
EHL58C1K1K*
For Galvalnized Ground Rods
EHL58G1K1K*
*Not UL Listed
Standard Package: 25
®
Bronze Ground Rod Clamps
Part No.
• High-strength silicon bronze
Rod Diameter (in)
Conductor Range
(AWG)
Standard
Package
Standard Duty
• For use with copper-bonded ground rods
CP38†
3/8
10 solid – 2 stranded
100
• Suitable for direct burial
CP58
1/2 - 5/8
10 solid – 2 stranded
50
• UL Listed for direct burial in earth or concrete
CP34
1/2 - 3/4
10 solid – 1/0 stranded
50
Heavy Duty
• CSA Listed
HDC12
1/2
10 solid – 2 stranded
50
HDC58Δ
5/8
8 solid – 1/0 stranded
50
HDC58R Δ
5/8
8 solid – 1/0 stranded
50
HDC34
3/4
8 solid – 1/0 stranded
25
HDC34SP*
3/4
8 solid – 3/0 stranded
25
HDC1†
1
8 solid – 4/0 stranded
1
HDC58 threads are 1/2“– 13 UNC. HDC58R threads are 7/16“ – 14 UNC.
* Not UL Listed
† Not CSA Listed
Δ
18
www.erico.com
Ground Clamps and Connectors
SP58 Stainless Steel Ground Clamp
Split Bolts
• Unique stamped body design will
not crack with excessive torque
values
• Provides a greater surface area
contact to allow improved
performance of the connector
• Compatible with copper, copperbonded, galvanized, stainless steel,
rebar and plain steel ground rods
and electrodes
®
• cULus Listed; RUS Approved
Rod Diameter Conductor Range
(in)
(AWG)
Part No.
SP58*
SP58 B916
Δ
Minimum
Torque
Rebar
Size
Standard
Package
1/2, 5/8
10 solid – 2 stranded 300 in – lbs
#4
50
1/2, 5/8
10 solid – 2 stranded 300 in – lbs
#4
50
Silicon
Bronze
Tin-Plated
Silicon Bronze
• High strength
• Silicon bronze for copper to copper connections.
• Tin plated, high strength copper alloy split bolt
with spacer separates dissimilar conductors which
allow you to connect: copper to copper; copper to
aluminum; aluminum to aluminum. (Oxide inhibitor
recommmended when used on aluminum conductor.)
* With 9/16” bolt head
Δ
UL Listed for direct burial in earth or concrete.
Part No.
Silicon Bronze
ESB8
ESB6
ESB4
ESB2
ESB1/0*
ESB2/0*
ESB4/0*
Tin-Plated Silicon Bronze
ESBP8*
ESBP6*
ESBP4*
ESBP2*
ESBP1/0*
ESBP2/0*
ESBP4/0*
ESBP350*
• Made of high copper-content
alloy
• Theft-deterrent appearance
• Stainless steel nuts, bolts and
washer included
• For use on 5/8” - 3/4” rods
Part No.
Conductor Range (AWG)
Standard
Package
GC064
4 Solid - 2/0 Stranded
50
GC065
2/0 Solid - 250 MCM Stranded
50
GC065TH
2/0 Solid - 250 MCM Stranded
5
Conductor Range (AWG)
Standard Package
16 stranded – 8 stranded
10 solid – 6 stranded
8 solid – 4 solid
6 solid – 2 stranded
4 solid – 1/0 stranded
2 solid – 2/0 stranded
1/0 solid – 250 MCM
100
100
100
50
50
25
25
14 stranded – 8 stranded
10 stranded – 6 stranded
8 solid – 3 stranded
8 solid – 2 stranded
6 solid – 1/0 stranded
8 solid – 2/0 stranded
4 stranded – 250 MCM
3/0 stranded – 350 MCM
100
100
100
100
50
25
25
25
* Not UL Listed
Direct Burial Ground Clamps
• Universal use for rebar, rods or pipes
• Lay-in feature cuts installation time
• Bronze alloy construction with bronze screws
• Approved for direct burial in earth and concrete
• cULus® Listed
EK16:
Parallel connection
www.erico.com
EK17:
Perpendicular connection
Part
No.
Conductor
Range (AWG)
Conductor
Range (metric)
Rebar Size
(imperial)
Rebar Size
(metric)
Standard
Package
EK16
8 solid – 2/0 stranded
10 – 70 mm2
#3 – #6
8 – 18 mm
50
EK17
8 solid – 4/0 stranded
10 – 100 mm2
#6 – #11
18 – 36 mm
50
19
GROUNDING SYSTEM COMPONENTS
Tinned Bronze Ground Clamps
GROUND CLAMPS AND CONNECTORS
• UL® Listed
Ground Clamps and Connectors
GROUNDING SYSTEM COMPONENTS
GROUND CLAMPS AND CONNECTORS
Clamp for Water
or Gas Pipe
Bronze Clamps for Water Pipe
Bronze Clamps for Water or Gas Pipe
(including brass hex fittings)
CWP1JU
CWP2JU*
• High-strength silicone bronze
• Used for connecting copper conductors to metallic
water pipe or ground rods
• High-strength silicone bronze
• Used for connecting copper conductors to metallic
water pipe, ground rods, or flexible gas pipe (CSST)
with brass hex fittings
• CSA® Listed
Part No.
• Conform to the requirements of the 2009 edition of
NFPA® 54, NFGC® (National Fuel Gas Code) and NEC®
(National Electric Code) for bonding corrugated stainless
steel tubing (CSST) gas piping systems to the grounding
conductor of the building’s electrical system
Water Pipe Size (in)
Conductor Range (AWG)
Standard
Package
CWP1JJ†
.5 – 1
10 solid – 4 stranded
100
CWP1JU*
.5 – 1
10 solid – 2 stranded
1
CWP2JU*
1.25 – 2
10 solid – 2 stranded
1
CWP6J
4.25 – 6
10 solid – 4 stranded
1
CWP4J**
2.5 – 4
10 solid – 4 stranded
1
• SH version for outdoor applications
* With copper screw for use in direct burial applications
** UL® Listed
† Not CSA Listed
• cULus Listed
Zinc Clamp for Water Pipe
Part No.
Water Pipe Size
(in)
CWP1J
.5 – 1
CWP2J
1.25 – 2
CWP3J
2.5 – 4
CWP1JSH
.5 – 1
CWP2JSH
1.25 – 2
CWP3JSH
2.5 – 4
Conductor Range
(AWG)
10 solid – 2 solid
Hex Nut Size
(in)
1 – 1.25
25
10 solid – 2 stranded
1.5 – 2.125
12
10 solid – 4 stranded
2.5 – 3.125
4
1 – 1.25
25
10 solid – 2 stranded
1.5 – 2.125
12
10 solid – 4 stranded
2.5 – 3.125
4
10 solid – 2 solid
• Zinc die cast
Standard
Package
• cULus Listed
20
Part No.
Water Pipe Size (in)
Conductor Range (AWG)
Standard
Package
ZWP1J
.5 – 1
10 solid – 6 solid
25
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Ground Clamps and Connectors
Bronze Pipe Clamp to Rigid Conduit
• For use in grounding rigid
conduit systems to metallic
water pipe
Part No.
Water Pipe
Size (in)
Conductor Range
(AWG)
Conduit
Size (in)
Standard
Package
CWP1JH12
.5 – 1
10 solid – 6 solid
.5
100
CWP1JH34
.5 – 1
10 solid – 2/0 stranded
.75
100
CWP2JH34
1.25 – 2
10 solid – 2/0 stranded
.75
100
CWP4JH34
2.5 – 4
10 solid – 2/0 stranded
.75
50
CWP2JH44
1.25 – 2
10 solid – 3/0 stranded
1
100
• For use in
grounding rigid
conduit systems
to metallic water
pipe
Part No.
Water Pipe Size
(in)
Conductor Range
(AWG)
Conduit Size
(in)
CWP12SHE
.5 – 1
10 solid – 6 solid
.5
100
CWP34SHE
.5 – 1
10 solid – 2/0 stranded
.75
100
GROUND CLAMPS AND CONNECTORS
Bronze Pipe Clamp to Rigid Conduit
Tinned Bronze Fence Clamps
Standard
Package
• Made from high copper-content alloy
Bronze Vise Clamps
• Theft-deterrent appearance
Part No.
Pipe Size
(in)
Conductor Size
(AWG)
Conductor Size
(mm2)
Pipe Size
(mm)
Single Hole
VC62
VC220
• Used to splice 2 conductors together
FC073
1-1/2
4 Solid - 2/0 Stranded
16 - 70 Stranded
40
FC074
1-1/2
2/0 Solid - 250 MCM Stranded
50 - 120 Stranded
40
FC075
2
4 Solid - 2/0 Stranded
16 - 70 Stranded
50
FC076
2
2/0 Solid - 250 MCM Stranded
50 - 120 Stranded
50
FC078
2-1/2
2/0 Solid - 250 MCM Stranded
16 - 120 Stranded
65
FC079
3
4 Solid - 2/0 Stranded
16 - 70 Stranded
80
FC080
3
2/0 Solid - 250 MCM Stranded
50 - 120 Stranded
80
FC082
3-1/2
4 Solid - 2/0 Stranded
16 - 120 Stranded
90
50
Dual Hole
Part No.
Conductor Range (AWG)
Standard Package
FC076 DH
2
2 x 2/0 Solid - 250 MCM Stranded 50 - 120 Stranded
FC078 DH
2-1/2
2 x 2/0 Solid - 250 MCM Stranded 16 - 120 Stranded
FC082 DH
3-1/2
VC62
6 solid – 2 solid
25
VC220
2 solid – 2/0 solid
25
www.erico.com
21
2 x 4 Solid - 2/0 Stranded
16 - 120 Stranded
65
90
GROUNDING SYSTEM COMPONENTS
• Stainless steel nuts, bolts and washers included
Ground Clamps and Connectors
Transformer Tank Grounding Connectors
• Cast of high
conductivity bronze
and 1/2” – 13 stud
• Fit all EEI-NEMA
distribution
transformers
TGC2/0
• No special tools
required — use
regular lineman’s
wrench
CC207
• RUS Approved
CC207SI
CC207SIJ
GROUNDING SYSTEM COMPONENTS
GROUND CLAMPS AND CONNECTORS
Part
No.
Conductor Range
(AWG)
Stud Thread
Size
Standard
Package
TGC2/0*
10 solid – 2/0 stranded
1/2” – 13
100
CC207
6 solid – 1/0 stranded
1/2” – 13
50
CC207SI
6 solid – 1/0 stranded
1/2” – 13; 1” long
50
CC207SIJ
6 solid – 1/0 stranded
1/2” – 13; with jam nut
50
CC2074/0
2/0 stranded – 4/0 stranded
1/2” – 13
25
* Eye bolt rotates to accommodate cable in either vertical or horizontal direction
Tin-Plated, Silicon Bronze Jumper Clamp
Heavy Duty Rebar Clamps
• For use in telecom applications
• UL® Listed
Part No.
Conductor Range (AWG)
Standard Package
KUL
6 solid
100
Copper Lug Mechanical Connector
Part No.
Conductor Range (AWG)
EL4
14 solid – 4 stranded
Stud Thread Size
Standard Package
5/16-24 UNF-2B
100
• Provides two connection points to concrete encased
electrodes (rebar) for states where the Authority Having
Jurisdiction (AHJ) requires it.
• Meets 2005 NEC® standard requirement for bonding to
rebar into the grounding system
• Has high-strength bronze alloy construction
• Easy to install
• UL Listed
22
Part
No.
Conductor Range
(AWG)
Conductor
Range (metric)
Rebar Size
(imperial)
Rebar Size
(metric)
Standard
Package
RC70
8 solid – 2/0 stranded
10 – 70 mm2
#3 – #6
8 – 18 mm
1
RC100 8 solid – 4/0 stranded
10 – 100 mm2
#6 – #11
18 – 36 mm
1
www.erico.com
Ground Clamps and Connectors
Lay-In Lug
• Tinned Copper
• Lay-in feature allows for easy
positioning
• cULus® Listed
Part No.
Conductor Range
Standard Package
#14 Solid – #4 Solid
EL6CEDB
50
• Copper alloy is corrosion resistant and galvanically
compatible with copper grounding conductors and
aluminum photo voltaic module frames
Intersystem
Inte
ters
rsys
yste
tem
m Bonding
Bond
Bo
nding
g Termination
Terminat
Te
atio
ion Bar
Ba (IBTB)
(I B)
• Lay-in feature allows for easy positioning along multiple
frames
• cULus® Listed
• Interconnects and terminates grounding conductors
from electrical power service, telephone, CATV, radio
and TV antennas
Description
EL6CS
Tinned Bronze Lug with #10 Hardware
#14 Sol - #6 Str
EL6CS8
Tinned Bronze Lug with #8 Hardware
#14 Sol - #6 Str
EL6CSNH
Tinned Bronze Lug without Hardware
#14 Sol - #6 Str
EL6CSDB
Direct Burial - Tinned Bronze Lug with #10 Hardware
#14 Sol - #6 Str
EL6CSDB8
Direct Burial - Tinned Bronze Lug with #8 Hardware
#14 Sol - #6 Str
EL6CSDBNH
Direct Burial - Tinned Bronze Lug without Hardware
#14 Sol - #6 Str
Potential Equalization Clamp - PEC100
• Ideal for residential and small commercial applications
• High peak current capability - long
service life
• Meets requirements of 2008 NEC Article 250.94
• cULus® Listed
• Weatherproof enclosure - suitable
for direct burial
Part No.
Conductor Range
Standard Package
IBTB
(5) 14 Solid - 6 Stranded; (1) 6 Solid - 2 Stranded;
(5) 1.5 - 25mm2; (1) 16 - 35 mmm2
10
www.erico.com
Conductor Range
(AWG)
Part No.
• ATEX approved
The PEC is an equipotential bonding device that can be used to
minimize damage in applications where separated ground systems
are required. The PEC is ATEX approved, making the device suitable
for use in explosion hazard areas such as the protection of pipeline
insulated joints.
23
GROUNDING SYSTEM COMPONENTS
• Bonds the frames and mounting structures of solar
photo voltaic systems in accordance with NEC®
requirements
GROUND CLAMPS AND CONNECTORS
Solar Bonding Lug
Chemical Ground Electrodes
Chemical ground electrodes, part of the ERITECH® line of
Facility Electrical Protection products from ERICO, provide
a low impedance ground in locations of high soil resistivity
and dry soil conditions. Used in conjunction with a bentonite
backfill and ERICO’s unique GEM material, the ERITECH brand
of chemical ground electrode system provides a method to
improve soil resistivity directly surrounding the electrode, and
can replace multiple conventional ground rods. It maintains
a low ground resistance, maintenance-free installation that
dissipates lightning energy and other dangerous electrical
fault currents, even in sandy or rocky soil conditions. The
chemical ground electrode is useful for providing an effective
earth in poor soil conditions where space for electrodes is
limited. Market applications include telecommunications,
power generation and distribution, commercial and industrial,
manufacturing, transporation (rail and aviation), lightning
protection, recreational facilities, and defense.
ERITECH brand of chemical ground electrodes are most
effective when installed as part of a total system that includes
high conductivity backfill materials, access/inspection wells,
and permanent, reliable CADWELD® connections. They may
be installed either vertically or horizontally.
Lightning
Downconductor
UL Name Plate
Conducts the
lightning energy to
ground.
Inspection Well
from ERICO
Protects chemical
electrode while
allowing necessary
air and moisture to
enter. Provides access
for maintenance.
Ground
Electrode
Conductor
CADWELD®
Connections:
Permanently bond
all elements of the
grounding system.
Pigtails
Factory attached
conductor connection.
Upward or downward
orientation available.
GROUNDING SYSTEM COMPONENTS
CHEMICAL GROUND ELECTRODES
Features
• Contain natural electrolytic salts, which
permeate into the surrounding soil to
condition the soil and increase its conductivity
Chemical
Ground Electrode
Provides continual
conditioning of high
resistivity soils.
• Low impedance to effectively dissipate
lightning and electrical fault currents
• Easy connection to ground electrode
conductor using the factory provided pigtail
(up or down orientation)
Ground
Enhancement
Material (GEM)
Low resistance, non
corrosive material,
fills void between
electrode and earth.
• Provides decades of reliable services due to
rugged construction, and high quality metals
with a 30-year minimum service life
• 2-1/8” outside diameter, Type K copper pipe,
0.083” wall contains natural electrolytic salts
that permeate into the surrounding soil,
improving electrode to soil connection
Bentonite
Clay
Electrolytic Roots
Typical vertical installation
showing major components
required to form an effective
ground electrode.
Reference Part Number Code
ECR V 10 Y4 4 U B
• Available in continuous sections up to 10 feet
in length; longer rods can be field assembled
using 5- or 10-foot extensions
ERICO Ground
Electrode System
Add (B) for rod
assembly only
Pigtail Orientation
(D) Down
(U) Up
(V) Vertical Style
(H) Horizontal Style
(E) Extended Vertical
• Optional factory attached radial strips are
available to reduce impedance to highfrequency lightning energy and to control
the direction of the dissipation
Electrode Length
(in feet)
• L-shaped rods are available for horizontal
installation applications where it is
impractical to auger deep vertical holes
Pigtail Cable Code
Pigtail Length
(in feet)
Chemical ground rods can be ordered as individual
components or as a complete kit. Kits include the chemical
electrode (pre-filled with electrolytic salts), Bentonite,
GEM backfill, and an access well. To order the chemical
electrode only, add “B” to the end of the part number.
• Access segment on horizontal (L-shaped)
chemical ground electrodes is 32” deep
• Over 100 configurations available
24
www.erico.com
Chemical Ground Electrodes
Height
(in)
Part No.
Length
(ft)
Conductor Size
(AWG)
Cable
Code
Pigtail Length
(ft)
Vertical Installation
Horizontal Installation
Horizontal Installation
8
#2 Solid, Tinned
1T
4
32
8
#2 Solid, Tinned
1T
4
ECRH081T4UB*
32
8
#2 Solid, Tinned
1T
4
ECRH082C4U
32
8
1/0 Stranded
2C
4
ECRH101T4D
32
10
#2 Solid, Tinned
1T
4
ECRH102C4U
32
10
1/0 Stranded
2C
4
ECRH102Q4D
32
10
4/0 Stranded
2Q
4
ECRH102Q4DB*
32
10
4/0 Stranded
2Q
4
ECRH102G4U
32
10
2/0 Stranded
2G
4
ECRH102G4D
32
10
2/0 Stranded
2G
4
ECRH102Q4U
32
10
4/0 Stranded
2Q
4
ECRH101T4U
32
10
#2 Solid, Tinned
1T
4
ECRHE152Q4D
32
15
4/0 Stranded
2Q
4
ECRHE202Q4U
32
20
4/0 Stranded
2Q
4
4
UL Name Plate
Access Well
Factory Attached Pigtail
Up Orientation
CADWELD® Connections
Chemical Ground Electrode
Vertical Installation
ECRV102L4U
10
-
3/0 Stranded
2L
ECRV102Q3U
10
-
4/0 Stranded
2Q
3
ECRV102C4U
10
-
1/0 Stranded
2C
4
ECRV102Q10U
10
-
4/0 Stranded
2Q
10
ECRV102V4D
10
-
250 MCM Stranded
2V
4
ECRV101T4D
10
-
#2 Solid, Tinned
1T
4
ECRV101V10D
10
-
#2 Stranded
1V
10
ECRV102Q5U
10
-
4/0 Stranded
2Q
5
ECRV102Q4UB*
10
-
4/0 Stranded
2Q
4
ECRV102Q5UB*
10
-
4/0 Stranded
2Q
5
ECRV103Q4D
10
-
500 MCM Stranded
3Q
4
ECRV102G4U
10
-
2/0 Stranded
2G
4
ECRV101T4U
10
-
#2 Solid, Tinned
1T
4
ECRV102G4D
10
-
2/0 Stranded
2G
4
ECRV102Q4D
10
-
4/0 Stranded
2Q
4
ECRV102Q4DB*
ECRV102Q4U
10
10
-
4/0 Stranded
4/0 Stranded
2Q
2Q
4
4
ECRV121T4U
ECRV122Q4U
12
12
-
#2 Solid, Tinned
4/0 Stranded
1T
2Q
4
4
ECRE152Q4U
15
-
4/0 Stranded
2Q
4
ECRE201T4U
ECRE202G4U
ECRE202Q4U
20
20
20
-
#2 Solid, Tinned
2/0 Stranded
4/0 Stranded
1T
2G
2Q
4
4
4
ECRE402Q4U
ECRE401T4D
40
40
-
4/0 Stranded
#2 Solid, Tinned
2Q
1T
4
4
GEM – Ground Enhancement Material
Bentonite Clay
Electrolytic Roots
Chemical Ground Electrodes can be installed either vertically
or horizontally. Chemical electrodes are available in a range of
standard and custom configurations. They can be purchased
individually or part of a complete kit.
* Includes rod assembly only.
* All chemical ground rod kits contain the following components, except
part numbers ending in “B”.
* Contact ERICO for additional configurations.
Kit Components
Part No.
GEM25A
BENTFILL
T416B
Description
25 lb (11.36 kg) bag of GEM – Ground Enhancement Material
50 lb (22.68 kg) bag of Bentonite backfill
High-density polyethylene inspection well for no traffic areas
Copper Pigtail Cable Codes
Conductor Code Conductor Size (AWG)
Conductor Code Conductor Size (AWG)
1T
#2 Solid Tinned
2Q
4/0 Stranded
2C
1/0 Stranded
2V
250 MCM Stranded
2G
2/0 Stranded
3Q
500 MCM Stranded
Vertical Installation
Salt Mix
Part No.
Description
ECRCHM15LB
Chemical Ground Rod Salt Mix, 15-lb package (6.8 kg)
www.erico.com
25
Chemical Ground
Electrodes can be
extended using
threaded couplers.
CHEMICAL GROUND ELECTRODES
32
ECRH081T4U
GROUNDING SYSTEM COMPONENTS
ECRH081T4D
GROUNDING SYSTEM COMPONENTS
GROUND ENHANCEMENT MATERIAL
Ground Enhancement Material
Ground Enhancement Material
(GEM)
To improve the conductivity of a grounding system,
ERICO recommends using Ground Enhancement
Material (GEM).
Developed in 1992, Ground Enhancement Material
(GEM) is a superior conductive material that solves your
toughest grounding problems. It is the ideal material to
use in areas of poor conductivity, such as rocky ground,
mountain tops and sandy soil. GEM is also the answer in
situations where ground rods can’t be driven or where
limited land area makes adequate grounding difficult
with conventional methods. Only rarely do grounding
system designers and contractors get to work on a site with
good grounding conditions. Even under ideal circumstances,
soil structure can vary and make it difficult to achieve
uniform, low levels of resistivity across a wide area. Under
almost all soil conditions, the use of a ground enhancement
material will improve grounding effectiveness. Some are
permanent and require no maintenance. When selecting a
ground enhancement material be sure it is compatible with
the ground rod, conductor and connection material.
GEM is a low-resistance, non-corrosive, carbon dust based
material that helps improve grounding effectiveness,
especially in areas of poor conductivity. GEM contains
cement, which hardens when set to provide a permanent,
maintenance-free, low-resistant grounding system that
never leaches or washes away. GEM does not adversely
affect soil and will not leach ions or contaminate ground
water. It meets all EPA requirements for landfill (USA).
A Material Safety Data Sheet (MSDS) is available on
request.
26
www.erico.com
Ground Enhancement Material
Features and Benefits
GEM helps reduce earthing resistance and
maintains low resistance permanently. GEM
helps provide conductivity for the life of the
grounding system.
GEM is effective
• Dramatically reduces earth resistance and
impedance measurements
• Maintains constant resistance for the life of the
system once in its set form
GEM is easy to use
• Easy-to-handle 25 lb (11.36 kg) bags or 25 lb
bucket (GEM25ABKT)
• Requires one person to install
Part Number
• Can be easily mixed into a slurry
• Solidifies into a conductive cement in three days
• May reduce the size of the grounding system
where conventional methods are unsatisfactory
GEM25A
25-lb. (11.36 kg) bag with handles
GEM25ABKT
25-lb. (11.36 kg) plastic bucket with locking lid
For more information, contact your local ERICO sales representative for a
quote. You can reference the GEM part numbers.
• Reduces vandalism (ground rods cannot be easily
removed when set in concrete)
GEM is permanent
• Does not dissolve, decompose or leach out with
time
• Does not require periodic charging treatments or
replacements
• Does not require maintenance
• Does not require the continuous presence of water
to maintain its conductivity
www.erico.com
Description
27
GROUNDING SYSTEM COMPONENTS
ERICO provides 25 lbs of Ground Enhancement Material
(GEM) in a convenient, easy to handle bucket container.
Just pour the required amount of clean-potable water
into the bucket and mix to create a slurry form. Then
proceed to pour the slurry mixture into the hole or
trench.
GROUND ENHANCEMENT MATERIAL
• Performs in all soil conditions even during dry spells
Ground Enhancement Material
Trench Installation:
4”
(10 cm)
1. Premix GEM into a slurry form. Use 1.5 to 2 gallons
(5.7 to 7.6 liters) of clean-potable water per bag or
bucket of GEM. To mix GEM into a slurry form, use
a standard cement mixer or mix in a mixing box,
wheelbarrow, etc. Use 1.5 to 2 gallons (5.7 to 7.6
liters) of clean-potable water per bag of GEM. Do not
mix GEM with salt water.
2. Spread out enough GEM to uniformly cover bottom of
trench–about 1 inch (2.5 cm) deep. (See Table)
30”
(76.2 cm)
Trench
1”
(2.5 cm)
GEM
3. Place conductor on top of GEM. (See Note 1)
4. Spread more GEM on top of conductor to completely
cover conductor – about 1 inch (2.5 cm) deep. Allow
GEM to harden. Wait 30 minutes to one hour before
filling the trench with soil backfill.
Ground
Conductor
GEM
5. Carefully cover the GEM with soil to a depth of about
4 inches (10 cm), making sure not to expose the
conductor.
GROUNDING SYSTEM COMPONENTS
GROUND ENHANCEMENT MATERIAL
6. Tamp down the soil, then fill in the trench.
1”
(2.5 cm)
GEM
Note 1: Wait for the GEM to harden, about 15 to 20 minutes,
before placing the conductor on top of the GEM. You
must apply 4 inches (10 cm) of insulating material to
the conductors and ground rods exiting the GEM,
starting 2 inches (5 cm) inside the GEM.
Soil
4”
(10 cm)
Note 2: Excess standing water must be removed from trench.
Soil Backfill
Estimated linear feet of ground conductor covering with each bag of GEM.
Total Thickness of GEM
Trench Width
In (Cm)
1 in (2.54 cm)
2 in (5.08 cm)
17.8 cm
3 in (7.62 cm)
4.7 ft
12 cm
4 in (10.16 cm)
4 (10.0)
14.0 ft
35.6 cm
7 ft
3.5 ft
8.8 cm
6 (15.2)
9.3 ft
23.6 cm
4.7 ft
12 cm
3.1 ft
7.8 cm
2.3 ft
5.8 cm
8 (20.3)
7.0 ft
17.8 cm
3.5 ft
8.8 cm
2.3 ft
5.8 cm
1.8 ft
4.6 cm
10 (25.4)
5.6 ft
14.2 cm
2.8 ft
7.0 cm
1.9 ft
4.8 cm
1.4 ft
3.6 cm
12 (30.5)
4.7ft
12 cm
2.3 ft
5.8 cm
1.6 ft
4 cm
1.2 ft
3 cm
A 25-pound bag of GEM will cover 7 linear feet (2.1 m) of conductor length for a 4-inch-wide (10 cm), 2-inch-thick (5 cm) covering 1 inch (2.5 cm) below and
1 inch (2.5 cm) above conductor), based on a density of 63.5 lb/cu.ft.
28
www.erico.com
Ground Enhancement Material
Ground Rod Backfill Installation:
1. Auger a 3-inch (7.5 cm) or larger diameter hole to a
depth of 6 inches (15 cm) shorter than the length of
the ground rod.
Diameter
Auger
Hole
2. Place ground rod into augered hole and drive 1 foot
(30 cm) (if possible) into bottom of the hole. The top
of the ground rod will be approximately 6 inches (15
cm) below grade. At this time, make any connections
to ground rod using CADWELD® connections. (See
Note 1)
6”
(15.2 cm)
3. Premix GEM into a slurry form. Use 1.5 to 2 gallons
(5.7 to 7.6 liters) of clean-potable water per bag or
bucket of GEM.
6” (15.2 cm)
shorter than
Ground Rod
Ground
Rod
12”
(30.4 cm)
6”
(15.2 cm)
5. Fill remainder of augered hole with soil removed during
augering. For various augered-hole diameters and
depths, see the table below.
GEM
packed
around
Ground
Rod
GROUND ENHANCEMENT MATERIAL
4. Pour the appropriate amount of GEM (see table)
around the ground rod. To ensure the GEM material
completely fills the hole, tamp around the ground rod
with a pole. Wait 30 minutes to 1 hour before filling
the hole with soil backfill.
Soil
Backfill
Note 1: 4 inches (10 cm) of insulating material should be
applied to the conductors and ground rods exiting the
GEM, starting 2 inches (5 cm) inside the GEM.
Note 2: Excess standing water must be removed from the hole.
Estimated bags of GEM for backfilling around ground rods to a density of 63.5 lb/ft 3
Depth of Hole*
Diameter of Hole
In (Cm)
6 ft (1.83 m)
7 ft (2.13 m)
8 ft (2.44 m)
3 (7.6)
2 bags
2 bags
2 bags
2 bags
4 bags
4 bags
4 bags
4 (10)
2 bags
3 bags
3 bags
3 bags
6 bags
7 bags
7 bags
5 (12.7)
3 bags
4 bags
4 bags
5 bags
9 bags
10 bags
10 bags
6 (15.2)
5 bags
5 bags
6 bags
7 bags
13 bags
14 bags
15 bags
7 (17.8)
6 bags
7 bags
8 bags
9 bags
17 bags
19 bags
20 bags
8 (20.3)
8 bags
9 bags
11 bags
12 bags
22 bags
25 bags
26 bags
9 (22.8)
10 bags
12 bags
13 bags
15 bags
28 bags
31 bags
32 bags
10 (25.4)
12 bags
14 bags
16 bags
18 bags
34 bags
38 bags
40 bags
* 8-foot (2.44 m) minimum rod length required to be in contact with the soil (or GEM), per NEC® 250-83-C.
Note: To mix GEM into a slurry form, use a standard cement mixer or mix in a mixing box, wheelbarrow, etc. Use 1.5 to 2 gallons (5.7 to 7.6 liters) of clean-potable water
per bag of GEM. Do not mix GEM with salt water. For storage and safety precautions, see product packaging.
www.erico.com
29
GROUNDING SYSTEM COMPONENTS
9 ft (2.74 m) 17 ft (5.18 m) 19 ft (5.79 m) 20 ft (6.10 m)
Grounding Accessories
Light Weight Polymer Concrete Inspection Wells
A
B
A
B
T416A
A
T416D
A
(in)
Part No.
C
C
C
C
B
T416E
A
B
T416F
B
(in)
C
(in)
Cover Weight
(lbs)
Weight of Box Base
with Inserts (lbs)
T416A
21.5
14
18
35
36
T416D
12.875
12.875
12
11
15
T416E
12
12
18
11
17
T416F
12.875
12.875
23
11
30
Product specifications subject to change without notice.
GROUNDING SYSTEM COMPONENTS
GROUNDING ACCESSORIES
Plastic Inspection Wells
T416F
T416BH
High Density Polyethylene Inspection Wells
(HDPE)
O
IC
ER
IC
ER
ND
WGRS200
IP900C
ND
GR
T416B
T416B
PIT05
OU
OU
GR
Part No.
PIT03
O
Diameter at
grade level
(in)
9.125
T416BH
Outside
Diameter (in)
Depth
(in)
13
10.25
T416C
Cover
Weight of Box Base
Weight (lbs) with Inserts (lbs)
1.5
3
T416BH
9.125
13
10.25
1.5
3
Includes 4 additional 1/2” bolts on cover. Stainless steel lock bolt ( 3/8” – 16 x 1-3/4”);
boxes and covers nest in 3.25” increments; 2 knockouts per box (3.5” x 1.5”);
color: green
T416C
11
24.5
Pipe slot (2 places); color: black
T416CKEY: Key for T416C Inspection Well
18.25
4.2
length x width x depth
Weight of Box Base
with Inserts (lbs)
PIT03
Includes locking pin and key
9.84 x 7.87 x 8.46
3
PIT05
UV-stabilized against degredation by sunlight;
non-brittle to prevent cold weather damage
9.76 x 9.76 x 8.27
5
–
9.5
12.8 x 12.8 x 5.71
60
Part No.
Stainless steel lock bolt ( 3/8” – 16 x 1-3/4”); boxes and covers nest in 3.25” increments;
2 knockouts per box (3.5” x 1.5”); color: green
WGRS200
Double flange earth seal with PIT05
13.4
IP900C
Concrete Inspection Pit
30
Dimensions (in)
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Ground Plates
CADWELD® Cable Codes – Bare, Concentric
Stranded Copper Conductor
Pigtail
Pigtail
Connection Cable
Type
Type
Plate
Width
Plate
Length
Pigtail
Length
4/0 Stranded
1Y
#1 Stranded
1H
2L
3/0 Stranded
1V
#2 Stranded
1E
#6 Stranded
#8 Stranded
2G
2/0 Stranded
1Q
#3 Stranded
1B
#10 Stranded
2C
1/0 Stranded
1L
#4 Stranded
CADWELD Cable Codes – Bare, Solid Copper
Conductor
Plate Thickness
Terminated Pigtails
Part Number:
2Q
2P
4/0 Solid
1X
#1 Solid
1G
2K
3/0 Solid
1T
#2 Solid
1D
#8 Solid
2F
2/0 Solid
1P
#3 Solid
1A
#10 Solid
2B
1/0 Solid
1K
#4 Solid
GPE C E A H 024 1L 024 (T)
#6 Solid
Pigtail
Pigtail
Connection Cable
Type
Type
Ground Plate Electrode
Plate
Width
Material
Pigtail Connection Type
Plate Thickness Code
Plate
Length
(Stock Tolerance)
Plate Width Code
Plate Length Code
Pigtail
Length
Through Pigtail
(inches) (3 digits required)
Pigtail Cable Type
(ERICO Cable Code)
Pigtail Length (inches)
T = Tinned
Pigtail Connection Type
Steel (HRS M1020)
C
Continuous (2 x “L J” ERICO Conn.)
Part No.
Thickness Width Length Cable
(in)
(in)
(in) Code
Cable Size
Pigtail
Length (in)
B
Stainless Steel (SS304)
E
End (“L J” ERICO Conn. Style)
GPECEAH0241L024
1/32
12
24
1L
#4 Stranded
C
Copper (C11000)
N
No Pigtail
GPECEAH0241T024
1/32
12
24
1T
#2 Solid
24
D
Galvanized Steel
GPECEAH0242Q024
1/32
12
24
2Q
4/0 Stranded
24
Plate Thickness Code
A
1/32” (Min. for Lightning – Cu)
18”
B
1/16” (Min. for Power – Cu)
3/32”
Plate Width Code
A
1”
J
B
2”
K
24”
C
C
3”
L
30”
D
1/8”
D
4”
M
36”
E
1/4” (Min. for Power – Stl.)
E
5”
N
42”
F
3/8”
F
6”
P
48”
G
1/2”
G
9”
Q
17”
H
1/64” (26 Gauge)
H
12”
R
10”
J
3/16”
GPECEAJ0181G024
1/32
18
18
1G
#6 Solid
24
GPECEAJ0182Q024
1/32
18
18
2Q
4/0 Stranded
24
GPECEAJ0241G024
1/32
18
24
1G
#6 Solid
24
GPECEAK0241G024
1/32
24
24
1G
#6 Solid
24
GPECEAK0241H024
1/32
24
24
1H
#6 Stranded
24
GPECEAK0241T024
1/32
24
24
1T
#2 Solid
24
GPECEAK0241V024
1/32
24
24
1V
#2 Stranded
24
GPECEAK0241Y024
1/32
24
24
1Y
#1 Stranded
24
GPECEAK0242G024
1/32
24
24
2G
2/0 Stranded
24
GPECEAK0242Q024
1/32
24
24
2Q
4/0 Stranded
24
GPECEAK0242V024
1/32
24
24
2V
250 MCM Stranded
24
GPECEAM0362Q024
GPECEAP0481H024
1/32
1/32
36
48
36
48
2Q
1H
4/0 Stranded
#6 Stranded
24
24
GPECEBH0121V024
GPECEBH0122G024
1/16
1/16
12
12
12
12
1V
2G
#2 Stranded
2/0 Stranded
24
24
GPECEBH0241K024
1/16
12
24
1K
#4 Solid
24
GPECEBH0242G024
GPECEBH0242L024
1/16
1/16
12
12
24
24
2G
2L
2/0 Stranded
3/0 Stranded
24
24
GPECEEK0242Q060
GPECEEK0361T024
1/4
1/4
24
24
24
36
2Q
1T
4/0 Stranded
#2 Solid
60
24
Contact ERICO for additional product configurations.
www.erico.com
31
24
GROUNDING SYSTEM COMPONENTS
Material
A
GROUND PLATES
Copper Ground Plates with Terminated,
Welded Pigtails
Example: GPECEAH0241L024
Ground Plates
Copper Ground Plates with Welded,
Through Pigtails
Thickness Width Length Cable
(in)
(in)
(in)
Code
Part No.
Copper Utility Pole Bottom Plates
Cable Size
Pigtail
Length (in)
GPECCAH0242Q024
GPECCAJ0181V024
GPECCAJ0242Q024
GPECCAJ0361L024
GPECCAK0241L024
GPECCAK0241T024
GPECCAM0362C024
GPECCAM0362Q024
1/32
1/32
1/32
1/32
1/32
1/32
1/32
1/32
12
18
18
18
24
24
36
36
24
18
24
36
24
24
36
36
2Q
1V
2Q
1L
1L
1T
2C
2Q
4/0 Stranded
#2 Stranded
4/0 Stranded
#4 Stranded
#4 Stranded
#2 Solid
1/0 Stranded
4/0 Stranded
24
24
24
24
24
24
24
24
GPECCBH0122Q024
GPECCBH0242G024
1/16
1/16
12
12
12
24
2Q
2G
4/0 Stranded
2/0 Stranded
24
24
GPECCEK0242C036
1/4
24
24
2C
1/0 Stranded
36
EGP100
EGP100HL
Part No.
Description
Utility Pole-Bottom Plate
with Lug*
Utility Pole-Bottom Plate with
ERITECH® HAMMERLOCK
Connector
EGP100
EGP100HL
Thickness
(in)
Diameter
(in)
Conductor
Size Range
.025
7.5
#14 Solid –
#4 Stranded
.025
7.5
#14 Solid –
#4 Stranded
* RUS Approved
Copper Utility Ground Plates
Copper Ground Plate with Bent Corners
and Welded Pigtail
Part No.
Thickness
(in)
Width
(in)
Length
(in)
Cable
Code
Cable Size
Pigtail
Length (ft)
GPECEHX1
.064
17
17
1G
#6 Solid
10
Part No.
GROUND PLATES
Copper Ground Plates Without Pigtails
Part No.
GPECNAK024
GPECNDF006
GPECNEB024
GPECNEK024
GPECNEM040
Thickness (in)
1/32
1/8
1/4
1/4
1/4
Width (in)
24
6
2
24
36
Length (in)
24
6
24
24
40
GROUNDING SYSTEM COMPONENTS
Utility Ground Plate with
SRGC46 Connector*
1/16
7.5
19.25
UGP719BP5
Utility Ground Plate with Connector,
quantity of 5 per package
1/16
7.5
19.25
UGP719SBP5
Utility Ground Plate with
ESB2 Split Bolt
1/16
7.5
19.25
UGP738
Utility Ground Plate with
SRGC46 Connector*
1/16
7.5
38.5
UGP738P5
Utility Ground Plate with
SRGC46 Connector, quantity of 5*
1/16
7.5
38.5
UGP738SBP5
Utility Ground Plate with
ESB2 Split Bolt
1/16
7.5
38.5
• CSA Listed for Canada and US
• Cable attachment (LPC535L) securely fastened to plate
Part No. Thickness (gauge) Width (in) Length (in) Number of Cable Attachments
LPC750
20
12
24
2
LPC751
20
18
18
2
LPC752
20
36
36
2
12
18
36
24
18
36
Length
(in)
Steel Ground Plates
• Copper
C
ground
d plates
l
made from 20 gauge thick,
high conductivity copper sheet
20
20
20
Width
(in)
UGP719
LPC753
LPC754
LPC755
LPC750
LPC751
LPC752
Thickness
(in)
* SRGC46 Connector (for Signal Reference Grids) can be used for #4
solid – #6 stranded AWG.
Copper Ground Plates with Cable Attachments
LPC753
LPC754
LPC755
Description
Part No.
Description
Thickness (in)
Width (in)
Length (in)
EGGP
Galvanized Steel Ground Plate,
without Connector
1/4
10
16
EGGPC
Galvanized Steel Ground Plate,
with HDC58 Connector
1/4
10
16
1
1
1
32
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Equipotential Bonding
PGS 30
30-3
-3
33
PG 3
PG
38
8
GROUNDING BUSBARS
PGS 41-4
PG
41-4
41
45
GROUND
G
ROUN
ND
DP
PL
PLATES
LA
AT
TES
PGS
PG
S 52
2--5
53
SR
S
SRG
RG
PGS
PG
S 54
4-5
-56
56
FENCE A
ASS
SSE
EMB
MBLY
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3
33
EQUIPOTENTIAL BONDING
BONDING STRAPS
BONDING
STRAPS
Grounding Bus Bars
using a CADWELD® exothermic connection or are
mechanically fastened by using lugs.
Proper bonding is essential to create an equipotential
plane between service grounds and equipment during
fault and transient conditions. This equipotential
plane provides a near zero voltage differential and
serves to protect people and equipment during these
events. The most popular bonding product in use
today is the ground bar or bonding bar. Ground bars
provide a convenient, single-point grounding and
bonding location. Conductors are welded to the bar
Ø 7/16“
ERICO can design and manufacture custom bars. In
addition, the breadth of the product offering includes
TMGB bars, which meet the requirements of TIA®/
EIA® 607 and conform to BICSI® recommendations.
Our perimeter bus system allows for fast and
easy field installation of halo and other perimeter
grounding schemes.
–
Ø 7/16“
2”
Ø 7/16“
2”
3 “
4
/
2”
PATTERN “AA”
PATTERN
"AA"
Ø 7 16“
GROUNDING BUS BARS
/
1”
1”
PATTERN “BB”
PATTERN
"BB"
Ø 7 16“
/
2”
2”
PATTERN “CC”
PATTERN
"CC"
1 1/ 8“
Typ.
2”
#6 – 32
Ø 9/ 32“
3 “
4
/
1”
PATTERN “DD”
PATTERN:
"DD"
Ø 7/16“
1”
PATTERN “EE”
Ø 7/16“
1”
PATTERN “FF”
Ø 7/16“
1”
1”
3 “
4
/
1”
EQUIPOTENTIAL BONDING
PATTERN “GG”
PATTERN
"GG"
Ø 7/16“
2
Ø 7/16“
1”
3 “
4
/
3/4
1
PATTERN “KK”
PATTERN “JJ”
PATTERN “HH”
Ø 5/16“
1”
1”
1”
PATTERN “LL”
34
3
4
1”
PATTERN “MM”
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ico.
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m
Grounding Bus Bars
/
3 4“
7/8“
7/8“
PATTERN “PP”
PATTERN:
"PP"
PATTERN “NN”
Ø 7/16“
PATTERN “QQ”
PATTERN:
"QQ"
3/4
1“
3 /4“
GROUNDING BUS BARS
Ø 7/16“
7/8
1“
3 /4“
PATTERN “CIGBE”
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PATTERN “SS”
PATTERN “HIG”
35
PATTERN “CCSKY”
PATTERN “TES”
EQUIPOTENTIAL BONDING
PATTERN “RR”
PATTERN:
"RR"
GROUNDING BUS BARS
Grounding Bus Bars
ERITECH
Ground Bar
Designaton
E G B A1 4 4 1 2 C C
Pig Tail Length Ft. (Empty if none)
A = 1 E = 5 J = 9 N = 16 S = 24 W = 32
B = 2 F = 6 K = 10 O = 17 T = 25 X = 34
C = 3 G = 7 L = 11 P = 18 U = 26 Y = 36
D = 4 H = 8 M = 12 Q = 19 V = 27 Z = 38
ERICO Cable Code (Empty if none)
Configuration
A = Insul & Brkt
B = Brkt only
C = None (Bar only)
D = Insul only
1K = #4 Sol Tin 2C = 1/0
1T = #2 Sol Tin SG = 2/0
2L = 3/0
2Q = 4/0
2V = 250 KCM
3D = 350 KCM
3Q = 500 KCM
4L = 750 KCM
Tin Plating
(Empty if none)
EQUIPOTENTIAL BONDING
Thickness
18 = 1/8”
38 = 3/8”
T = Tinned
58 = 5/8” 12 = 1/2”
14 = 1/4” 34 = 3/4”
Hole Pattern
Length (rounded to the nearest inch, up
Width
1 = 1”
2 = 2”
3 = 3”
4 = 4”
5 = 5”
6 = 6”
to 96 inch max.)
7 = 7”
8 = 8”
9 = 9”
36
www.erico.com
Grounding Bus Bars
QQ Pattern, Copper and Tinned Copper
Grounding Bus Bars with Insulators & Brackets*
Commonly Stocked Copper Grounding
Bus Bars* with Insulators & Brackets
/
Ø 7/16“
Width (in)
Length (in)
Hole Pattern
1/4
2
12
EE
EGBA14212BB
1/4
2
12
BB
EGBA14212EE
1/4
2
12
EE
EGBA14212HH
1/4
2
12
HH
EGBA14212NN
1/4
2
12
NN
EGBA14215JJ
1/4
2
15
JJ
EGBA14224GG
1/4
2
24
GG
EGBA14224NN
1/4
2
24
NN
EGBA14410FF
1/4
4
10
FF
EGBA14412AA
1/4
4
12
AA
EGBA14412BB
1/4
4
12
BB
EGBA14412CC
1/4
4
12
CC
EGBA14412GG
1/4
4
12
GG
EGBA14412LL
1/4
4
12
LL
EGBA14412NN
1/4
4
12
NN
EGBA14420CC
1/4
4
20
CC
EGBA14420NN
1/4
4
20
NN
EGBA14424CC
1/4
4
24
CC
EGBA14424LL
1/4
4
24
LL
EGBA14424MM
1/4
4
24
MM
EGBA14424NN
1/4
4
24
NN
7/8“
1” wide bar
EGBA14112EE
7/8“
2” wide bar
Pattern “QQ”
PATTERN: "QQ"
Part No.
4” wide bar
Length (in)
Hole Pattern
EGBA14412QQT
Thickness (in) Width (in)
1/4
4
12
QQ
Plating
Tinned
EGBA14420QQ
1/4
4
20
QQ
Copper
EGBA14420QQT
1/4
4
20
QQ
Tinned
EGBA14424QQ
1/4
4
24
QQ
Copper
EGBA14424QQT
1/4
4
24
QQ
Tinned
QQ Pattern, Copper & Tinned Copper
Grounding Bus Bars (Bar only)*
Thickness
(in)
Width
(in)
Length
(in)
Hole
Pattern
Part No.
Configuration
EGBC14412QQT
Bar only
1/4
4
12
QQ
Tinned
EGBC14424QQT
Bar only
1/4
4
24
QQ
Tinned
EGBC14420QQ
Bar only
1/4
4
20
QQ
Copper
EGBC14424QQ
Bar only
1/4
4
24
QQ
Copper
EGBC14412QQ
Bar only
1/4
4
12
QQ
Copper
Plating
* Tinned bars with QQ hole pattern are electro-tin plated after holes
are punched.
* Also available using pre-tinned copper bar. Add “T” to the part number.
Ground Bar Insulators
Mounting Kits
• Include stainless steel hardware, 3/8” fasteners,
insulators and brackets
• UL Recognized for Canada and US
• Fiberglass reinforced thermoset polyester
• cULus® listed
Part No.
Height (in)
Diameter (in) (A)
Thread Size
1
1-1/8
1/4 – 20 x 5/16
559620
1-1/4
1-5/8
1/4 – 20 x 5/16
559660
1-1/2
2
3/8 – 16 x 3/8
559685
2-1/8
2-1/2
5/8 – 11 x 5/8
559686
2-1/4
2-1/2
1/2 – 13 x 5/8
559687
2-1/4
2-1/2
3/8 – 16 x 5/8
Part No.
Description
559600
B548A39*
Mounting kit for steel beam
B548A41
Mounting kit for 1” & 2” wide bars
B548A42
Mounting kit for 3” & 4” wide bars
* Not UL Listed
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37
GROUNDING BUS BARS
Thickness (in)
EQUIPOTENTIAL BONDING
Part No.
3 4“
Telecom Ground Bars
TGB & TMGB Telecom Ground Bars
• UL® listed; meet TIA®/EIA® 607 and
conform to BICSI® recommendations
• Comply with NEMA® Standards
• 1/4” thick copper bars
• Type 304 stainless steel brackets and
insulators included with ground bar kits
• Electro-tin plating available (add “T”
to ground bar part number)
• All bars contain 2 mounting holes (7/16”)
29
29
18 PAIR Ø 5/16
41 PAIR Ø 5/16
5 PAIR Ø 7/16
5 PAIR Ø 7/16
1
2
1
4
5/8
5/8
5/8
1 1/ 8 TYP
1 1/ 8 TYP
18
18
TGBA29L18PT
TMGBA29L41PT
24
24
14 PAIR Ø 5/16
33 PAIR Ø 5/16
5 PAIR Ø 7/16
5 PAIR Ø 7/16
1
2
1
4
5/8
5/8
5/8
1 1/ 8 TYP
1 1/ 8 TYP
TGBA24L14PT
TELECOM GROUND BARS
18
18
TMGBA24L33PT
20
20
12 PAIR Ø 5/16
3 PAIR Ø 7/16
27 PAIR Ø 5/16
3 PAIR Ø 7/16
1
2
1
4
5/8
5/8
5/8
1 1/ 8 TYP
1 1/ 8 TYP
9
9
TGBA20L12PT
TMGBA20L27PT
17 3/ 4
10 PAIR Ø 5/16
23 PAIR Ø 5/16
17 3/ 4
3 PAIR Ø 7/16
3 PAIR Ø 7/16
1
2
1
4
5/8
5/8
5/8
1 1/ 8 TYP
1 1/ 8 TYP
9
9
TGBA18L10PT
15 1/ 2
8 PAIR Ø 5/16
TMGBA18L23PT
19 PAIR Ø 5/16
15 1/ 2
3 PAIR Ø 7/16
3 PAIR Ø 7/16
EQUIPOTENTIAL BONDING
1
2
1
4
5/8
5/8
5/8
1 1/ 8 TYP
1 1/ 8 TYP
9
9
TGBA16L08PT
TMGBA16L19PT
12
15 PAIR Ø 5/16
3 PAIR Ø 7/16
12
3 PAIR Ø 7/16
6 PAIR Ø 5/16
2
TGBA12L06PT
1
1
5/8
4
5/8
5/8
1 1/ 8 TYP
1 1/ 8 TYP
9
9
TMGBA12L15PT
38
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Telecom Ground Bars
TGB & TMGB Telecom Ground Bar Splice Kits
TGB Telecom Ground Bars with Insulators
& Brackets
• Includes 2 tinned copper splice plates and
stainless steel fasteners
TGB Splice Kit
Thickness (in)
Width (in)
Length (in)
TGBA12L06P
Part No.
1/4
2
12
TGBA12L06PT
1/4
2
12
TGBA16L08P
1/4
2
15.5
TGBA16L08PT
1/4
2
15.5
TGBA18L10P
1/4
2
17.75
TGBA18L10PT
1/4
2
17.75
TGBA20L12P
1/4
2
20
TGBA20L12PT
1/4
2
20
TGBA24L14P
1/4
2
24
TGBA24L14PT
1/4
2
24
TGBA29L18P
1/4
2
29
TGBA29L18PT
1/4
2
29
Plating
Tin
Tin
Tin
TMGB Splice Kit
Tin
Part No.
Tin
Tin
Width (in)
Length (in)
Material
TGBSPLICEKIT
1/4
2
Tinned Copper
TMGBSPLICEKIT
1/4
4
Tinned Copper
TMGB Telecom Main Ground Bars with
Insulators & Brackets
BC
TELECOM GROUND BARS
Connecting Clamps
FC
BC
FC
ERIFLEX® FLEXIBAR Clamp
Part No. Description A (in) B (mm) C (in) D (in) E (in) F (in) Diam (mm) Torque
(ft/lbs)
FC 50 x 24
2
20-24 2.32 1.42 2.95 2.05
M8
0.7
Thickness (in)
Width (in)
Length (in)
TMGBA12L15P
Part No.
1/4
4
12
TMGBA12L15PT
1/4
4
12
TMGBA16L19P
1/4
4
15.5
TMGBA16L19PT
1/4
4
15.5
TMGBA18L23P
1/4
4
17.75
TMGBA18L23PT
1/4
4
17.75
TMGBA20L27P
1/4
4
20
TMGBA20L27PT
1/4
4
20
TMGBA24L33P
1/4
4
24
TMGBA24L33PT
1/4
4
24
TMGBA29L41P
1/4
4
29
TMGBA29L41PT
1/4
4
29
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Plating
Tin
Tin
Tin
553030
FC 50 x 32
2
32
2.32
2.95 2.36
M8
0.8
553040
FC 50 x 40
2
40
2.32 2.05 2.95 2.68
M8
0.91
553050
FC 80 x 24
3.18
20-24
3.5
1.42
4.13
2.05
M8
0.95
553060
FC 80 x 32
3.18
32
3.5
1.73
4.13
2.36
M8
1.08
553070
FC 80 x 50
3.18
50
3.5
2.44
4.13
3.07
M8
1.41
568700
FC 100 x 32 3.97
32
4.29 1.73
4.92 2.36
M8
1.47
568730
FC 120 x 32
32
5.08 1.73
4.92 2.36
M8
1.67
4.4
1.73
Ribbed-Steel Busbar Clamp
Part No. Description A (in) B (in) C (in) Ø (mm) Torque (ft/lbs)
Tin
Tin
Tin
39
553200
BC 30
2.2
1.65
1.37
M6
553210
BC 40
2.6
2.05
1.77
M6
5.16
5.16
553220
BC 50
3.26
2.52
2.16
M8
14.75
14.75
553230
BC 63
3.66
2.91
2.55
M8
553250
BC 80
4.64
3.78
3.34
M10
29.5
553260
BC 100
5.67
4.64
4.21
M10
29.5
EQUIPOTENTIAL BONDING
553020
Perimeter Grounding Bus Bars
PERIMETER GROUNDING BUS BARS
E P G
ERITECH® Perimeter
Ground Designation
Length
Configuration
A = Insulator & Bracket
C = Bar only
EPGC1428X8FL (Typ)
(Flat)
1 = 1”
2 = 2”
4 = 4”
18 = 1/8”
14 = 1/4”
Example:
A) 1/4 x 2 x 120
(straight bar)
= EPGC142120
30” Spacing Typ.
EPGC142120 (Typ)
B) 1/4 x 2 x 6 x 6
(right angle corner)
= EPGC1426X6
EQUIPOTENTIAL BONDING
Width
Thickness
Stock Length = 120”
Bent Bars (Radius) = 6” x 6”
Bent Bars (Flat) = 8” x 8”
Note: Not all insulators and brackets are shown
CADWELD® Connection
40
EPGC1426X6 (Typ)
www.erico.com
Perimeter Grounding Bus Bars
Straight Perimeter Bars with 7/16” Holes on 30”
Centers
Bus Bars with Flat 90-degree Angle for
Doors (8” x 8”)
Width
Length
Width
30”
Thickness (in)
Width (in)
Length (in)
EPGC141120
Part No.
1/4
1
120
EPGC142120
1/4
2
120
EPGC142120T*
1/4
2
120
EPGC142144
1/4
2
144
EPGC143120
EPGC144120
1/4
1/4
3
4
120
120
EPGC181120
EPGC182120
1/4
1/8
1
2
120
120
EPGC183144
1/8
3
144
Part No.
Thickness (in)
Width (in)
Length (in)
EPGC184120
1/8
4
120
EPGC1418X8FL
1/4
1
8
EPGC1428X8FL
EPGC1448X8FL
1/4
1/4
2
4
8
8
EPGC1818X8FL
EPGC1828X8FL
1/8
1/8
1
2
8
8
EPGC1848X8FL
1/8
4
8
Length
Width
* Tinned copper bar
Bent Bus Bars with 90-degree Angle for
Corners (6” x 6”)
6”
6”
Part No.
PERIMETER GROUNDING BUS BARS
Width
FAA Ground Bars
Thickness (in)
Width (in)
Length (in)
EPGC1236X6
1/2
3
6
EPGC1416X6
1/4
1
6
EPGC1426X6
1/4
2
6
EPGC1426X6T*
1/4
2
6
EPGC1428X8
1/4
2
8
EPGC1436X6
1/4
3
6
EPGC1446X6
1/4
4
6
EPGC1446X6T*
1/4
4
6
EPGC1816X6
1/8
1
6
EPGC1826X6
1/8
2
6
EPGC1846X6
1/8
4
6
FAA-Style Ground Bar
• FAA ground bars available in many sizes.
* Tinned copper bar
• Customer to provide:
CADWELD® Type BA Connections
Ground bar size
Hole pattern
Plexiglass size
Plexiglass markings
Part No.
Mold Part No.
Thickness
(in)
Width
(in)
Length
(in)
Bar Thickness (in)
Bar Width (in)
Welding Material
B540C130C
1/4
6
14
BACCE
1/8
1
45
B540C131C
1/4
6
10
BACCH
1/8
2
90
B540C132C
1/4
6
10
BACCK
BADCM
1/8
1/8
3
4
200
250
BACEE
BACEH
1/4
1/4
1
2
90
200
BADEK
1/4
3
200 (2)
BADEM
1/4
4
500
www.erico.com
* Specify size. Contact ERICO for quote.
41
EQUIPOTENTIAL BONDING
Plexiglass Protective Covers
Equipment Ground Plates
Cast
Ground Plates
• Convenient ground system
connection points in concrete structures
• Used for equipment, machinery and
structure grounding
• Made from a copper alloy
• Result in current carrying capacity equal to that
of the conductor or stud
EQUIPMENT GROUND PLATE ASSEMBLIES
• Will not loosen or corrode
2 1/ 2“
Use a CADWELD® mold (Type TA or Type SS) when
connecting the ERITECH® brand of cast ground plate to
the ground conductor. The cast ground plate stud size
noted above fits the mold opening for a cable of the
same size. Reference CADWELD catalog (A1A) for more
information.
3“
1 1/ 2“
2 1/ 4“
1”
Examples:
• Tee connection of 250 cable to B1642Q (4/0 stud size),
use mold TAC2V2Q.
• Splice connection of 250 cable to B1642Q,
use mold SSC2Q2V.
3 “–16, 1 “ DEEP — 4 HOLES
8
2
/
/
Part No.
Description
B1612Q
Cast ground plate with 4/0 stud
B1613Q
Cast ground plate with 500 MCM stud
1 5 8“
/
3“
Clamp Style Ground Plate
• Cast bronze
grounding plate
3 1/ 4“
1 3/ 4“
• Dimensions similar
to B164 Series
LPC682
• Cable connection
under bolt tension
1 “–13, 1 “ DEEP — 2 HOLES
2
2
/
/
Part No.
EQUIPOTENTIAL BONDING
DB Series
Description
B1622Q
Cast ground plate with 4/0 stud
3 1/ 4“
3“
1 3 4“
/
1 3/ 4“
Reference Code
øA
øB (mm)
øD (mm)
F (mm)
DB-10A
M10
16
50
55
DB-12A
M12
16
50
55
DB-16A
M16
16
50
55
3 1/ 4“
1 “–13, 1 “ DEEP — 4 HOLES
2
2
/
Part No.
42
/
Description
B1642Q
Cast ground plate with 4/0 stud
B1643Q
Cast ground plate with 500 MCM stud
www.erico.com
Equipment Ground Plate Assemblies
• Assemblies use equipment ground plate parts:
B1612Q [A], B1613Q [B], B1622Q [C], B1642Q [D], and
B1643Q [E]
• Custom lengths available; contact ERICO for details
Cable Length (inches)
Ground Plate
Part Number
B1612Q
B1613Q
B1622Q
B1642Q
B1643Q
Cable Code
#6 Solid = 1G
#4 Stranded = 1L
#2 Stranded = 1V
= “A”
= “B”
= “C”
= “D”
= “E”
1/0 Stranded = 2C
2/0 Stranded = 2G
4/0 Stranded = 2Q
250 MCM Stranded = 2V
350 MCM Stranded = 3D
500 MCM Stranded = 3Q
A
B532
SS
B530
B531
RB
B533
RA
TA
www.erico.com
EQUIPMENT GROUND PLATE ASSEMBLIES
RA =
“B530”
RB =
“B531”
SS = “B532”
TA= “B533”
B530 A 2Q 72
43
EQUIPOTENTIAL BONDING
Ground Plate
Configuration
Aircraft Grounding Receptacles
• Copper alloy castings for use in static grounding systems of aircraft refueling areas
• Easily connected to grounding system conductor and/or ground rods
• Designed for simple installation with flush paved surfaces
• Compatible with CADWELD® connections
Grounding Receptacles with Ball Stud
AIRCRAFT GROUNDING RECEPTACLES
Part No.
Attachment Point
Grounding Receptacles with Bar Attachment Point
Depth
(in) (A)
Diameter
(in) at Grade
Level (B)
Standard
Packaging
Quantity
Part
No.
4-1/2
2-3/4
1
B166*
3/4” Diameter Bar
—
2-3/4
1
B166B
(Cover for B166, included)
Attachment Point
B165*
3/4” Ball Stud
B165B
(Cover for B165, included)
B165R*
Removable 3/4” Ball Stud
4-1/2
2-3/4
1
B167
1.5” Diameter Bar
B165RS*
Removable 3/4” Ball Stud
4-1/2
2-3/4
1
B167B
(Cover for B167, included)
Depth
(in) (A)
Diameter
Maximum Standard
(in) at Grade Diameter Packaging
Level (B)
(in) (C)
Quantity
6-1/4
3-7/8
4-3/4
—
3-7/8
—
1
1
7-1/4
4-3/4
6-1/2
1
—
4-3/4
—
1
Attachment Bar
Ball, 3/4” Diameter (B165R)
Ball, 5/8” Diameter (B165)
B
B
A
C
1/2” Pipe for
Type RA & RB
Connections
1/2” Pipe for
Type RA & RB
Connections
* Aircraft static grounding clamp B2617A can be used to connect
to the B165, B165R, and B166.
EQUIPOTENTIAL BONDING
Grounding Receptacles for Sectional Ground Rods
• Copper alloy castings for use in static grounding systems of aircraft
refueling areas
• Easily connected to grounding system conductor and/or ground rods
• Designed for simple installation with flush paved surfaces
• Standard pin connection
• Chain-retained cover plate
• Couple directly to 3/4”
sectional or extension rod
Part No.
Standard Packaging Quantity
LPC680
1
LPC681**
1
** Spring clip included to secure cover plate.
44
www.erico.com
Signal Reference Grid (SRG)
The importance of SRGs for
Computer Applications
In order to minimize the effects of noise,
many computer manufacturers, users
and government agencies have detailed
specifications regarding computer
grounding. Computer installations are
particularly sensitive to:
• Coupling between adjacent power, data
circuits and ground, where noise can be
introduced into cables — even nearby
lightning strikes can be a real threat.
• Noise levels from nearby transmitters
may be a serious problem and require
shielding.
Components of the SRG
SIGNAL REFERENCE GRID (SRG)
Effective SRG uses:
• A multitude of conductors to create a very low
impedance to noise at any frequency
• 2-foot spacing between conductors
• Terminations that provide a constant impedance over
the life of the facility
• Multiple paths within the SRG to allow the noise
currents to divide at each crossover, which further
reduces voltage drop
• A mesh made of flat copper strips to provide the most
functional low impedance and cost effective computer
grounding system available
• Welded connections to assure a noise-free bond
Welded connections are often specified because they
are the only connections proven to assure a “noisefree” bond. Normal shock and vibration jar mechanical
connections, creating electronic noise. This causes
relatively high Ldi/dt voltages, due to a sudden change
in connection impedance. This sudden change can
result in pulses which can be coupled onto the signal
circuits. These unwanted signals can create false data
or even cause permanent circuit damage. Corrosion,
dirt and cleaning fluids cannot interfere with the
molecular bond of a welded joint.
www.erico.com
Pre-fabricated Signal Reference Grid installed under
computer room floor.
45
EQUIPOTENTIAL BONDING
Welded Connections
Signal Reference Grid (SRG)
The Signal Reference Grid (SRG) is a pre-fabricated, low
impedance network of conductors established to create
an equipotential plane for high frequency, low voltage
digital signals in such applications as intensive computer,
telemetry and telecommunications installations.
Proper grounding and bonding of sensitive electronic
systems, including computer installations, requires careful
consideration of all frequencies from DC to over 100
megahertz. The local requirements for electrical fault
current and lightning protection must also be met.
Digital signal line voltages are typically low. Their
sensitivity to transient noise is very high (typically 1 volt
for some digital systems). The SRG complies with IEEE®
Standard 1100-1992 for grounding practices in sensitive
electronic environments.
The safety grounding system required by code does not
address the special requirements of noise immunity. An
additional “grounding” system called the Signal Reference
Grid (SRG) is needed for trouble-free equipment
performance.
Computer
Equipment
Power Ground Center,
#4 AWG minimum
CADWELD
CADWELD® connection,
connection, #4 AWG to
steel column
#4 AWG to
steel column
Low impedance riser
equipment bond, with
CADWELD connection to SRG
Power
Center
Concrete
Floor Slab
SIGNAL REFERENCE GRID (SRG)
All conduits,
water pipes,
etc. bonded
to SRG
CADWELD
connection #6
AWG to pedestal
CADWELD
connection #6
AWG to SRG
CADWELD
connection
#6 AWG to SRG
CADWELD
connection
between adjacent
SRG sections
Signal Reference Grid (SRG)
Pre-engineered copper strip sections
CADWELD exothermic Type TW
welded connections
Important points to consider when installing an SRG:
EQUIPOTENTIAL BONDING
• Local codes must be followed.
• All columns, conduits, water pipes, ducts, etc. entering
the computer room shall be bonded to the SRG (at each
end of the room if these are horizontal).
• All equipment shall be bonded to the ERITECH® brand
of SRG using low impedance risers. Never connect to
strip closest to outside wall.
• Power distribution panels and power distribution center
should be mounted directly to the building steel or
bonded to it by a short length of grounding conductor
equal to the “green wire ground” but at least #4
AWG copper. The grounding wire inside any panel or
enclosure supplying AC power to the computer must be
bonded to its enclosure.
• All raised floors within the computer room should be
bolted stringer type.
• Every sixth raised floor pedestal in each direction shall be
connected to the SRG using a #6 AWG concentric copper
conductor. The connection to both thepedestal and the
SRG shall be a CADWELD exothermic connection.
46
www.erico.com
Signal Reference Grid (SRG)
Signal Reference Grids
• Manufactured from 2” wide x 26 gauge (0.0159”)
copper strips
• Custom sizes available (see part numbering below)
CADWELD®
Type TW
connection
Factory-made
connection
Copper SRG
Strips
The pre-fabricated Signal Reference Grid sections are
constructed with factory-made connections, and then
each section is connected on site with type TW field made
connections.
Low Impedance Riser (LIR)
• Welded to the SRG using CADWELD® mold type TW
• 5/16” hole in one end for connecting to equipment
(same material as SRG)
Misalignment allowed
between adjacent sections
• 40,481 circular mils
• 23 ohms impedence for 12” length at 20 MHz
SRG
B =24”
C=48”
F =12”
G=36”
Part No.
Width
A = 4’
B = 6’
C = 8’
D = 10’
E = 12’
F = 14’
G = 16’
H = 2’
Width (in)
Length (in)
2
72
The Signal Reference Grid shall be manufactured from
2” wide by 26 gauge (0.0159 inch thick) copper strips
on 2’, 600 mm or 1200 mm centers. All crossovers
shall be joined by welding. The SRG shall be furnished
4’ to 16’ wide. The sections shall be rolled on tubes
with the outside of the roll protected for shipment.
These sections shall be bonded to each other in the
field with CADWELD® connections.
Length in
J = 3’ Feet
K = 5’ (3 digits)
L = 7’
M = 9’
Grid Spacing (in)
Width (ft)
Length (ft)
SRGBD100
24 x 24
10
100
SRGBE100
24 x 24
12
100
SRGBG100
24 x 24
16
100
www.erico.com
Thickness
26 gauge (0.0159")
How to Specify
SRG Part Numbering
Grid
Spacing
Part No.
B802D01A72
Note:
1. Other strip sizes are available
2. Other spacing is available
3. Roll weight usually limited to about 200 lbs. gross
weight for convenience (1200 sq. ft.)
47
EQUIPOTENTIAL BONDING
Overlapped
strips from
adjacent sections
SIGNAL REFERENCE GRID (SRG)
Type TW field-made
connection
Signal Reference Grid (SRG)
CADWELD® Standard Connections to
Steel Pedestal
Conductor Size
(7-Strand)
Pedestal
Type
CADWELD Mold
Part No.
Welding
Material
Handle
Frame
#6 AWG
1” round
VTP1H005M
15
B399CS
#6 AWG
7/8” square
VGT1H004M
15
B399AS
#4 AWG
1” round
VTP1L003M
15
B399CS
#4 AWG
7/8” square
VGT1L010M
25
B399AS
#2 AWG
1” round
VTP1V004M
15
B399CS
#2 AWG
7/8” square
VGT1V004M
25
B399AS
CADWELD® EXOLON Connections to
Steel Pedestal
SIGNAL REFERENCE GRID (SRG)
Conductor Size
(7-Strand)
Pedestal
Type
CADWELD Mold
Part No.
Welding
Material
Handle
Frame
#6 AWG
1” round
XLVTP1H005M
XL15
B399CS
#6 AWG
7/8” square
XLVGP1H004M
XL15
XLB399BS
#4 AWG
1” round
XLVTP1L003M
XL15
XLB399CS
#4 AWG
7/8” square
XLVGP1L010M
XL15
XLB399BS
#2 AWG
1” round
XLVTP1V004M
XL15
XLB399CS
#2 AWG
7/8” square
XLVGP1V004M
XL15
XLB399BS
CADWELD® Connections to 26 Gauge x 2” SRG
Conductor Size
(7-Strand)
Mold Style
Mold Part No.
Welding
Material
Handle
Clamp
#6
CADWELD EXOLON
Standard
XLHAC1H013
HAC1H013
XL25
25
XLL160
L160
#4
CADWELD EXOLON
Standard
XLHAC1L020
HAC1L020
XL32
32
XLL160
L160
#2
CADWELD EXOLON
Standard
XLHAC1V012
HAC1V012
XL32
32
XLL160
L160
CADWELD® Type TW Connections
Common Bonding Network
Jumper (CBNJ)
Mold Part No.
EQUIPOTENTIAL BONDING
Mold Style
Welding Material
XLTWR107A3
CADWELD® EXOLON
XL32
Handle Clamp
XLL160
TWR107A3
Standard
32
L160
SRG
• Helps to achieve a secure electrical connection in
telecommunications
*CADWELD EXOLON is a low-emission welding
process and is recommended on retrofit jobs. To start the
CADWELD EXOLON reaction, the CADWELD EXOLON
battery pack is required (part # XLB971A1). Welding tray
(part # XLB974B2) can be used under the mold to protect
cables and equipment from hot materials.
• Stranded wire allows for small radius bends
• Tinned copper lug and hardware included
48
Part No.
Cable Size (AWG)
Cable Length (ft)
Standard Package
CBNJ09
6 Stranded
9
25
CBNJ09P10
6 Stranded
9
50
www.erico.com
Signal Reference Grid (SRG)
Mesh Bonding Network Connectors
SRGC46
SRGC46
• MBNC heavy duty clamps with
stainless steel hardware, suitable for
direct burial (UL® 467 Listed)
• Allow for fast, simple and economical
field connection of grounding and
bonding wires
• Can accommodate additional pigtails
that can be used to connect to
building steel and equipment
• Can be combined with Universal
Pedestal Clamp (part # UPCJ) for
bonding to various pedestal sizes for
mesh bonding networks (MBN)
Part No.
MBNC82
Conductor Range
(AWG)*
8 solid – 2 stranded
Conductor Range
(Metric)
Standard
Package
10 mm2 – 35 mm2
25
* Stranded conductors #8 – 2 AWG (10 mm – 35 mm2): 7 or 19 strands
2
Universal Pedestal Clamp with
Cable Management Feature
• Only one attachment required
for both mesh bonding and cable
management
• Eliminate need for separate
mounting brackets for different
pedestal types or sizes
SIGNAL REFERENCE GRID (SRG)
MBNC
• Mesh bonding conductors do not
have to bend around each pedestal
to conform to grid pattern
SRG Clamp & Connector
• UL® Listed as a grounding/bonding
clamp in addition to a cable support
(Full Code compliance NEC® Article
250 and 300)
Part No.
Part No.
SRGC46
SRGC46BR
www.erico.com
Description
SRG Connector for #4 and #6 AWG
solid or stranded conductor
Pedestal mounting bracket for 7/8”
square or 1” round pedestals
Standard Package
Conductor Range
(AWG)*
Standard
Conductor Range
Pedestal Size
(Round or Square) Package
(Metric)*
7/8” – 2”
8 solid –
25
10 mm2 – 35 mm2
(2.2 cm – 5.1 cm)
2 stranded
* Stranded conductors #8 – 2 AWG (10 mm2 – 35 mm2): 7 or 19 strands
MBNUPCJ82
20
10
49
EQUIPOTENTIAL BONDING
• Stainless steel construction of bracket
and hardware reduces potential for
galvanic corrosion
Equipotential Mesh and Mats
Prefabricated Wire Mesh
Overhang Configurations
ERITECH® brand of prefabricated wire mesh from ERICO
is a convenient, efficient and economical means of
improving grounding systems at facilities with highvoltage installations and wherever large area grounds are
required. Equipotential mesh reduces step potentials at
power plants and substations, and effectively minimizes
ground plane fluctuations at communications antenna
sites. Wire mesh is also an excellent ground screen,
reflector and electronic shield for large facilities.
M = Conductor Spacing
L = Total Length
W = Total Width
Standard overhang for interconnecting sections
of mesh
Personnel safety mats, made of prefabricated wire mesh,
are ideal for systems designed to protect operators
against “touch potentials” at manually operated
disconnect switches.
Equipotential Mesh Features
• Silver brazed joints provide strength to resist separation
during installation and bear the traffic of heavy vehicles
• Furnished in rolls up to 20’ wide
EQUIPOTENTIAL MESH AND MATS
• 500 lbs. maximum weight
• Conductor spacing in many rectangular configurations
up to 24” x 48” in 2” increments
• Normally supplied in sections with standard overhang
for interconnecting
(1/2 conductor spacing + 2”)
No overhang
CADWELD®
Connections
Ground
Conductor
Half-spacing overhang
EQUIPOTENTIAL BONDING
Mesh
Available Wire Sizes and Conductivity
Wire Size (AWG)
Material
Conductivity
#6
pure copper
100%
#6
copper-clad steel
30% or 40%
#8
pure copper
100%
#8
copper-clad steel
30% or 40%
pure copper
100%
#10
50
www.erico.com
Equipotential Mesh and Mats
Easy Installation
• No digging or trenching required
• Unroll over the ground
• Interconnect by welding to adjacent sections of mesh
using CADWELD®
• Weld to the main ground grid in substations or welded
to ground rods
• May be covered with a layer of earth or crushed stone
depending on the application
Interconnecting
• The CADWELD process provides a rapid and economical
method of interconnecting mesh in the field
• Resulting weld is permanent and corrosion resistant
• Current carrying capacity equal to that of the conductor
Net Weight (lbs) per 100 Square Feet Δ
Conductor Spacing
(in)
Copper-clad Steel Wire (AWG)
CADWELD Mold Part No.*
Welding Material
Solid Copper Wire (AWG)
#6 solid copper
Solid Wire Sizes (AWG)
PGT-06CU
25
#6
#8
#10
#6
#8
#10
#6 copper-clad steel
PGT-06CS
15
2x2
888
558
351
974
609
383
#8 solid copper
PGT-08CU
15
4x4
443
279
175
487
305
192
#8 copper-clad steel
PGT-08CS
15
6x6
295
186
117
325
203
128
#10 solid copper
PGT-10CU
15
8x8
222
139
88
243
153
96
#10 copper-clad steel
PGT-10CS
15
12 x 12
148
93
59
163
102
64
24 x 24
74
47
29
91
51
32
48 x 48
56
35
23
62
38
24
* Includes mold handles.
Δ Add 75 lbs per roll for approximate shipping weight.
Suggested Specifications
Connection Type PG
Prefabricated wire mesh shall be manufactured using
(a)* AWG bare, solid (b)* wire on a (c)* inch x (c)* inch
conductor spacing with all cross connections silver
brazed using a 35% silver alloy brazing material and a
non-corrosive flux. It shall be (d)* feet, (d)* inches wide
by (e)* feet, (e)* inches long with (f)* inches overhang
on both sides and both ends, and shall be wound on
a fiber tube with the outside of the roll protected by
wood strips interconnected with steel wire.
CADWELD Connections of Center Wire
to Mesh or Safety Mats
Mat Wire
(AWG)
#6 Solid
#8 Solid
* (a) Wire size, #6, #8, #10, or #12 AWG.
(b) 30% or 40% conductivity copper-clad or pure copper.
(c) 2” x 2” minimum to 48” x 24” maximum (in 2”
increments).
(d) 20’, 4” maximum.
(e) Maximum length determined by weight, with a 500 lbs.
maximum net weight.
(f) No overhang, an overhang equal to one-half conductor
spacing or an overhang equal to one-half conductor
spacing plus 2” (for interconnecting).
www.erico.com
#10 Solid
Center Wire Size
(AWG)
CADWELD Mold
Part No.**
Welding
Material
65
1/0
PTC1G2C
2/0
PTC1G2G
65
4/0
PTC1G2Q
90
65
1/0
PTC1D2C
2/0
PTC1D2G
65
4/0
PTC1D2Q
90
65
1/0
PTC1A2C
2/0
PTC1A2G
65
4/0
PTC1A2Q
90
** Molds require L160 handle clamps sold separately.
Connection Type PT
51
EQUIPOTENTIAL BONDING
Weight of Mesh
EQUIPOTENTIAL MESH AND MATS
CADWELD® Connections Joining
Adjacent Sections of Wire Mesh or Safety Mats
Equipotential Mesh and Mats
Personnel Safety Mats
EQUIPOTENTIAL BONDING
EQUIPOTENTIAL MESH AND MATS
Available Mat Wire Sizes and Materials
Wire Size (AWG)
Material
Conductivity
#4
pure copper
100%
#6
pure copper
100%
#6
copper-clad steel
30% or 40%
#8
pure copper
100%
#8
copper-clad steel
30% or 40%
Standard Mat Sizes (ft)
Conductor Spacing (in)
4x4
2x2
4x6
4x4
6x8
6x6
Standard
Configurations
8x8
M = Conductor Spacing in Inches
L = Length in Feet (not including overhang)
W = Width in Feet
Standard Safety Mat
12 x 12
Suggested Specifications
Standard Personnel Safety Mats:
Prefabricated personnel safety mats shall be manufactured
using (a)* AWG bare, solid (b)* wire on (c)* inches x (c)*
inches conductor spacing. All cross connections shall be
silver brazed using a 35% silver brazing alloy and a noncorrosive flux. Overall mat size shall be (d)* feet x (d)* feet.
Mats With Center Wire:
Safety Mat with Center Wire*
Prefabricated personnel safety mats shall be manufactured
using (a)* AWG bare, solid (b)* wire on (c)* inches x (c)*
inches conductor spacing with (e)* diameter solid copper
center wire through the (f)* length overhanging each end
(g)* inches. All cross connections shall be silver brazed using
a 35% silver brazing alloy and a non-corrosive flux. Overall
mat size shall be (d)* feet x (d)* feet.
* (a) #4, #6 or #8 AWG (see chart above).
(b) 30% or 40% conductivity copper-clad or pure copper
(#4 available only in pure copper).
(c) Minimum of 2 inches, maximum of 12 inches in 2-inch
increments (not available in 10-inch increments).
(d) Standard sizes are 4 feet x 4 feet and 4 feet x 6 feet with
maximum 6 feet x 8 feet.
(e) 5/16 inch (1/0 solid) or 3/8 inch (2/0 solid).
Stranded cable is also available (see chart above).
(f) Longest or shortest.
(g) Center wire is either flush (0-inch overhang)
or with a 6-inch overhang.
Safety Mat with Overhanging Center Wire*
52
www.erico.com
Equipotential Mesh and Mats
Width
(ft)
Part No.
Length
(ft)
Conductor
(AWG)
POOLMESH250
2
50
8 Solid
POOLMESH2100
2
100
8 Solid
POOLMESH350
3
50
8 Solid
POOLMESH3100
3
100
8 Solid
Wire Size (AWG)
1/0 Solid or Stranded
Expanded Metal Mesh
2/0 Solid or Stranded
4/0 Stranded
250 MCM Stranded
300 MCM Stranded
350 MCM Stranded
*Standard Center Wire
500 MCM Stranded
(length-wise or width-wise)
EQUIPOTENTIAL MESH AND MATS
Pool Mesh
Net Weight (lbs) per Standard Mat*
Conductor Spacing (in)
2x2
4x4
6x6
8x8
12 x 12
Wire Size 4 x 4
#6
Copper-clad 14.6
steel wire
#8
Copper-clad 9.2
steel wire
4x6
4x4
4x6
4x4
4x6
4x4
4x6
4x4
4x6
21.7
7.6
11.2
5.3
7.7
4.1
6.0
2.9
4.2
13.7
4.8
7.1
3.3
4.9
2.6
3.8
1.9
2.7
W
L
S
* Weights are for copper-clad wire. Add 10% for approximate weight of solid copper
wire. Safety mats are palletized for shipment. Add 50 pounds per pallet for gross
weight. Maximum of 100 mats per pallet.
T
Contact ERICO for more information.
www.erico.com
53
L = Long dimension
S = Short dimension
W = Strand width
T = Thickness
EQUIPOTENTIAL BONDING
Standard Mat Size (sq ft)
Bonding Devices
B21-Series Prefabricated
Lug Bonds
Prefabricated lug bonds
are custom made to
specifications. Common
usage includes cable tray
bonding and grounding,
structure bonds, surge
arrester leads and power
jumpers.
Part Number Coding
B21 2 1L “X”
Bond Length in inches
(from outer-most hole center)
B-21 Lug Bond Assembly
Cable Code
#4 Stranded = 1L
1/0 Stranded = 2C
#2 Stranded = 1V
2/0 Stranded = 2G
#1 Stranded = 1Y
4/0 Stranded = 2Q
250 MCM Stranded = 2V
Lug Configuration
• Made with bare annealed
copper cable
Double-Lug Bond, 1-Hole each on Straight Lugs
Double-Lug Bond, 2-Holes each on Straight Lugs
Double-Lug Bond, 1-Hole each on 45º Lugs
Double-Lug Bond, 2-Holes each on 45º Lugs
=
=
=
=
“2”
“3”
“4”
“5”
(see image A)
(see image B)
(see image C)
(see image D)
• Tinned copper NEMA®
lugs welded to the
cable with CADWELD®
connections
Single-Lug Bond Stub, 1-Hole on Straight Lug
Single-Lug Bond Stub, 2-Holes on Straight Lug
Single-Lug Bond Stub, 1-Hole on 45º Lug
Single-Lug Bond Stub, 2-Holes on 45º Lug
=
=
=
=
“6”
“7”
“8”
“9”
(see image E)
(see image F)
(see image G)
(see image H)
Double-Lug Bond with 1-Hole
NEMA Lugs (Straight)
A
Double-Lug Bond with 2-Hole
NEMA Lugs (Straight)
B
Double-Lug Bond with 1-Hole
NEMA Lugs (45º Angle)
C
Double-Lug Bond with 2-Hole
NEMA Lugs (45º Angle)
D
Double-Lug Bond Part No.*
BONDING DEVICES
Cable Size
Stranding
(AWG)
Lug Size
(in)
B212-parts
One Hole
B214-parts
One Hole 45º
B215-parts
Two Hole 45º
#4
7-strand
1/8 x 1
B2121L -”X”
B2131L -”X”
B2141L -”X”
B2151L -”X”
#2
7-strand
1/8 x 1
B2121V -”X”
B2131V -”X”
B2141V -”X”
B2151V -”X”
#1
7-strand
1/8 x 1
B2121Y -”X”
B2131Y -”X”
B2141Y -”X”
B2151Y -”X”
1/0
7-strand
1/8 x 1
B2122C -”X”
B2132C -”X”
B2142C -”X”
B2152C -”X”
2/0
7-strand
1/8 x 1
B2122G -”X”
B2132G -”X”
B2142G -”X”
B2152G -”X”
4/0
7-strand
3/16 x 1
B2122Q -”X”
B2132Q -”X”
B2142Q -”X”
B2152Q -”X”
250 MCM
19-strand
3/16 x 1
B2122V -”X”
B2132V -”X”
B2142V -”X”
B2152V -”X”
* “X” indicates total bond length in inches.
Single-Lug Bond Stub with
1-Hole NEMA Lug (Straight)
EQUIPOTENTIAL BONDING
B213-parts
Two Hole
E
Single-Lug Bond Stub with 2-Hole Single-Lug Bond Stub with Single-Lug Bond Stub with 2-Hole
NEMA Lug (Straight)
1-Hole NEMA Lug (45º Angle)
NEMA Lug (45º Angle)
F
G
H
Single-Lug Bond Stub Part No.*
Cable Size
Stranding
(AWG)
Lug Size
(in)
B216-parts
One Hole
B217-parts
Two Hole
B218-parts
One Hole 45º
B219-parts
Two Hole 45º
4
7-strand
1/8 x 1
B2161L -”X”
B2171L -”X”
B2181L -”X”
B2191L -”X”
2
7-strand
1/8 x 1
B2161V -”X”
B2171V -”X”
B2181V -”X”
B2191V -”X”
1
7-strand
1/8 x 1
B2161Y -”X”
B2171Y -”X”
B2181Y -”X”
B2191Y -”X”
1/0
7-strand
1/8 x 1
B2162C -”X”
B2172C -”X”
B2182C -”X”
B2192C -”X”
2/0
7-strand
1/8 x 1
B2162G -”X”
B2172G -”X”
B2182G -”X”
B2192G -”X”
4/0
7-strand
3/16 x 1
B2162Q -”X”
B2172Q -”X”
B2182Q -”X”
B2192Q -”X”
250 MCM
19-strand
3/16 x 1
B2162V -”X”
B2172V -”X”
B2182V -”X”
B2192V -”X”
* “X” indicates total bond length in inches.
54
www.erico.com
Bonding Devices
Arc Weldable Bonds
Arc weldable bonds are 4-ft pieces of concentric
cable (19-strand) which are flash-welded to steel rod
for a bonding connection to structural steel and to rebar. Arc
weldable bonds are an economical alternative to exothermic
welding when only a few connections need to be made and an
arc welder is available on site. The rod is sized to match the
ampacity of the cable for fault currents. Complete instructions
are provided.
Cable Size
(AWG)
Part No.
Cable
Length (ft)
Steel Rod
Diameter (in)
Steel Rod
Length (ft)
EWB2G9164
2/0 Stranded
4
9/16
8
EWB2L584
3/0 Stranded
4
5/8
8
EWB2Q344
4/0 Stranded
4
3/4
8
All cable is 19 strand concentric.
Welding to Rebar
Welding to Building Steel
Rebar
Structural Steel
Steel Rod
Rebar
8 inch
Steel Rod
Steel Rod
4 1/4 inch
minimum
weld length
BONDING DEVICES
8 inch
Steel Rod
4 1/4 inch
minimum
weld length
Copper Cable
www.erico.com
55
EQUIPOTENTIAL BONDING
Copper
Cable
Copper Bonding Straps
–
–
–
–
Tinned electrolytic copper 0.15 mm wire
UL®467 File E220029
Allows bend very close to the contact
Area working temperature up to 105° C
Earth Braids With Integral Palms
Comparison of Tensile Strength
Flexible copper bonding straps (or Earth Braids) have one
lug hole at each end, and are tinned for bimetallic use.
Extra flexible construction for use on hinged or sliding
door bond and on vibrating machinery bond. Lug holes
for 1/4” diameter bolt.
• Higher electrical contact
• Resistance to vibration and fatigue
• Excellent tensile strength
• Recommended for EMI protection
Solidified palms
MBJ 6 - 150 - 6
Section
mm2
Length
mm
Traditional
braid
Ø Holes
mm
Displacement
EQUIPOTENTIAL BONDING
COPPER BONDING STRAPS
MBJ-Series
Part
No.
Description
Ø
J
T
Ampacity Thick. Section L
A
mm
mm2 mm mm mm mm
Part
No.
Description
Ampacity Thick. Section L
Ø
J
T
A
mm mm2 mm mm mm mm
556600 MBJ 6-150-6
40
1.1
6
150
6.5 13
23
10
0.010
556770 MBJ 35-100-10
197
2.1
35
100 10.5
23
33
10
0.037
563410 MBJ 6-200-6
40
1.1
6
200
6.5 13
23
10
0.0167
556780 MBJ 35-150-10
197
2.1
35
150 10.5 23
33
10
0.054
556930 MBJ 10-200-6
75
1.1
10
200
6.5 12
22
10
0.022
556790 MBJ 35-200-10
197
2.1
35
200 10.5 23
33
10
0.072
556610 MBJ 10-300-6
75
1.1
10
300
6.5 12
22
10
0.033
556800 MBJ 35-250-10
197
2.1
35
250 10.5 23
33
10
0.089
563540 MBJ 16-100-6
120
1.5
16
100
6.5 15
25
10
0.018
565000 MBJ 35-250-25
197
2.1
35
250 25.5 40
50
10
0.089
556620 MBJ 16-100-8
120
1.5
16
100
8.5 15
25
10
0.018
556810 MBJ 35-300-10
197
2.1
35
300 10.5 23
33
10
0.110
563550 MBJ 16-150-6
120
1.5
16
150
6.5 15
25
10
0.035
556970 MBJ 35-500-10
197
2.1
35
500 10.5 23
33
10
0.180
556630 MBJ 16-150-8
120
1.5
16
150
8.5 15
25
10
0.035
556820 MBJ 50-100-10
250
2.5
50
100 10.5 28
38
10
0.052
563300 MBJ 16-200-6
120
1.5
16
200
6.5 15
25
10
0.033
556830 MBJ 50-150-10
250
2.5
50
150 10.5 28
38
10
0.077
556640 MBJ 16-200-8
120
1.5
16
200
8.5 15
25
10
0.033
563350 MBJ 50-200-6
250
2.5
50
200
6.5 28
38
10
0.120
556650 MBJ 16-250-8
120
1.5
16
250
8.5 15
25
10
0.040
556840 MBJ 50-200-10
250
2.5
50
200 10.5 28
38
10
0.120
0.120
563320 MBJ 16-300-6
120
1.5
16
300
6.5 15
25
10
0.050
563440 MBJ 50-200-12
250
2.5
50
200 12.5 28
38
10
556660 MBJ 16-300-8
120
1.5
16
300
8.5 15
25
10
0.050
563360 MBJ 50-200-16
250
2.5
50
200 16.5 28
38
10
0.110
556940 MBJ 16-500-8
120
1.5
16
500
8.5 15
25
10
0.082
563370 MBJ 50-200-18
250
2.5
50
200 18.5 28
38
10
0.110
556670 MBJ 25-100-10
150
1.5
25
100 10.5 23
33
10
0.027
556850 MBJ 50-250-10
250
2.5
50
250 10.5 28
38
10
0.127
556680 MBJ 25-150-10
150
1.5
25
150 10.5 23
33
10
0.039
563380 MBJ 50-300-6
250
2.5
50
300
6.5 28
38
10
0.150
563340 MBJ 25-200-6
150
1.5
25
200
6.5 23
33
10
0.052
556860 MBJ 50-300-10
250
2.5
50
300 10.5 28
38
10
0.153
556690 MBJ 25-200-10
150
1.5
25
200 10.5 23
33
10
0.052
563390 MBJ 50-300-16
250
2.5
50
300 16.5 28
38
10
0.150
563430 MBJ 25-200-12
150
1.5
25
200 12.5 23
33
10
0.052
563400 MBJ 50-300-18
250
2.5
50
300 18.5 28
38
10
0.140
556700 MBJ 25-250-10
150
1.5
25
250 10.5 23
33
10
0.064
556980 MBJ 50-500-10
250
2.5
50
500 10.5 28
38
10
0.255
0.255
556710 MBJ 25-300-10
150
1.5
25
300 10.5 23
33
10
0.077
563560 MBJ 50-500-12
250
2.5
50
500 12.5 28
38
10
556950 MBJ 25-500-10
150
1.5
25
500 10.5 23
33
10
0.013
563450 MBJ 70-300-6
290
5
70
300
6.5 28
38
10
0.210
556720 MBJ 30-100-10
180
2
30
100 10.5 23
33
10
0.032
563460 MBJ 70-300-10
290
5
70
300 10.5 28
38
10
0.210
556730 MBJ 30-150-10
180
2
30
150 10.5 23
33
10
0.047
563420 MBJ 70-300-12
290
5
70
300 12.5 28
38
10
0.210
556740 MBJ 30-200-10
180
2
30
200 10.5 23
33
10
0.062
563470 MBJ 70-300-16
290
5
70
300 16.5 28
38
10
0.200
556750 MBJ 30-250-10
180
2
30
250 10.5 23
33
10
0.075
563480 MBJ 70-300-22
290
3.5
70
300 22.5 40
50
10
0.200
556760 MBJ 30-300-10
180
2
30
300 10.5 23
33
10
0.092
563490 MBJ 70-500-10
290
5
70
500 10.5 28
38
10
0.340
556960 MBJ 30-500-10
180
2
30
500 10.5 23
33
10
0.155
563500 MBJ 100-250-16
349
4
100
250 16.5 50
60
10
0.254
563510 MBJ 100-250-30
349
4
100
250 30.5 50
60
10
0.254
563520 MBJ 100-500-16
349
4
100
500 16.5 50
60
10
0.508
563530 MBJ 100-500-30
349
4
100
500 30.5 50
60
10
0.508
56
www.erico.com
Copper Bonding Straps
Contact Kits
• Metal nuts, bolts and washers
for good electrical contact
Custom Solutions (Made-to-order)
Recommended
Assembly
ERICO can provide made-to-order, custom
configurations to your drawing specifications.
• 100 nuts – 100 bolts
• 200 flat washers
ERIFLEX® brand of copper braids can be made to
custom lengths, widths, thicknesses and hole patterns;
with PVC installation; in flat or tubular shapes; using
copper wire; in continuous coils; or with soldered
studs or crimped lugs. Let ERICO solve your design
and production scheduling challenges.
• 200 contact washers
(SAE® Grade 5 hardware)
Part No.
Torque
(ft/lbs)
Description
561400
Contact Kit 1/4 – 20 x 5/8”
9
100
561401
Contact Kit 5/16 – 18 x 1-1/4”
18
100
561402
Contact Kit 7/16 – 14 x 1-1/4”
50
100
561403
Contact Kit 7/16 – 14 x 2”
50
100
561404
Contact Kit 1/2 – 13 x 1-1/4”
75
100
561405
Contact Kit 1/2 – 13 x 1-1/2”
75
100
561406
Contact Kit 1/2 – 13 x 2”
75
100
Cable Runway Ground Strap (CRGS)
Part No.
Braid Cross Sectional
Equivalent
Cable Length
(in)
Standard Package
CRGS6
6 Stranded
8
50
MTO Braid Check List:
*Braid:
Bare Copper ____
Tinned Copper ____
Stainless Steel ____
*Contact:
Bare Copper ____
Nickel Plated ____
Silver Plated ____
Tinned Copper ____
Design:
*OAL (Overall Length) ______
Number of Rows
______
Number of Layers ______
*Pad # 1 L_____ x W______ x T ______
*Pad #1 Number of holes ____________
*Pad # 2 L_____ x W______ x T ______
*Pad #2 Number of holes ____________
*Estimated cross section ____________sq.mm
* Hardward pack (part no. CRGA6HW sold separately).
Part No.
Description
Screw Size
Standard Package
CRGS6HW
Hardware Pack for CRGS6
#12 - 24
50
Round braids with crimped lugs
BJ-Series
Part
No.
Description
Section
mm2
L
mm
ØD
mm
Intensity
A
* Must have
556900
BJ 6-150 S
6
150
6.5
45
10
556910
BJ 6-200 S
6
200
6.5
45
10
0.015
556920
BJ 10-300 S
10
300
6.5
75
10
0.033
www.erico.com
0.010
57
EQUIPOTENTIAL BONDING
• Offers a better electrical connection
than wires with lugs
COPPER BONDING STRAPS
• Bonds cable tray, wire mesh tray
and cable runway components to
the telecommunications grounding
and bonding infrastructure
Fence Clamp Assemblies
Flexible Jumpers for Fence and
Gate Grounding
Made from welding cable, flexible jumpers provide both
conductor flexibility and strand protection, and are used
to bond gates, switch operating handles and any other
item where movement or vibration requires a flexible
grounding jumper.
CADWELD®
Connection
Type VB
CADWELD®
Connection
Type VB
CADWELD
Connection
Type TA
The connections are made with CADWELD® exothermic
connections using the same mold required for other
fence post connections.
Part Number Coding
Example:
EQUIPOTENTIAL BONDING
FENCE CLAMP ASSEMBLIES
Flexible
Jumper
FJ 2Q 24
Cable Code
#2 Solid = 1T
2/0 Stranded = 2G
4/0 Stranded = 2Q
Length of
Jumper
(inches)
Part No.
Cable Code
FJ1T18
1T
Cable Size (AWG)
#2 Solid
Length (in)
18
FJ1T24
1T
#2 Solid
24
FJ1T96
1T
#2 Solid
96
Conductor Size
(AWG)
Pipe Size
(in)
FJ2G12
2G
2/0 Stranded
12
2/0
FJ2G16
2G
2/0 Stranded
16
*
1-1/4 – 3-1/2
FJ2G18
2G
2/0 Stranded
18
FJ2G24
2G
2/0 Stranded
24
FJ2G36
2G
2/0 Stranded
36
FJ2G48
2G
2/0 Stranded
48
FJ2G72
2G
2/0 Stranded
72
FJ2G84
2G
2/0 Stranded
84
FJ2G96
2G
2/0 Stranded
96
FJ2G120
2G
2/0 Stranded
120
FJ2G144
2G
2/0 Stranded
144
FJ2G156
2G
2/0 Stranded
156
FJ2G192
2G
2/0 Stranded
192
FJ2G240
2G
2/0 Stranded
240
FJ2G300
2G
2/0 Stranded
300
FJ2G360
2G
2/0 Stranded
360
FJ2Q12
2Q
4/0 Stranded
12
FJ2Q16
2Q
4/0 Stranded
16
FJ2Q18
2Q
4/0 Stranded
18
FJ2Q24
2Q
4/0 Stranded
24
FJ2Q36
2Q
4/0 Stranded
36
FJ2Q48
2Q
4/0 Stranded
48
FJ2Q60
2Q
4/0 Stranded
60
FJ2Q96
2Q
4/0 Stranded
96
FJ2Q120
2Q
4/0 Stranded
120
FJ2Q144
2Q
4/0 Stranded
144
FJ2Q156
2Q
4/0 Stranded
156
FJ2Q180
2Q
4/0 Stranded
180
FJ2Q192
2Q
4/0 Stranded
192
FJ2Q240
2Q
4/0 Stranded
240
FJ2Q252
2Q
4/0 Stranded
252
4/0
*
1-1/4 – 3-1/2
CADWELD Mold
Part No.
Welding
Material Size
VBC2G008V*
90
VBC2G009
90
VBC2Q006V*
115
VBC-2Q-003
115
* Made to exact pipe size. Add nominal pipe size
mold to part number.
Example for CADWELD® Mold Part Numbering:
1. A 4” outside-diameter pipe is a 31/2” nominal pipe
size. The mold part number for a 4/0 concentric
conductor to this pipe would be:
VSC2Q V 3.50
Base number
(for flat surface)
For vertical
pipe
31/2” nominal
pipe size
2. A nominal 2 x 21/4” H section uses mold code PH2.
A 4/0 Type VB weld to this post would be
VBC2QPH2.
58
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Fence Clamp Assemblies
Fence & Gate Clamp Assemblies
A235 Pre-fabricated Fence Clamp Assemblies
with Single Ground Lead
• Ideal for when CADWELD®
connections cannot be made
to aluminum pipe or thin-wall
steel tube
Part Number Coding
Nominal
Pipe Size (in)
B522B
1-1/4
B522C
1-1/2
B522D
2
B522E
2-1/2
B522F
3
Cable Size CADWELD®
(AWG)
Mold Part No.
B522G
3-1/2
1/0
LAC2C002
65
4
2/0
LAC2G002
65
B522K
6
4/0
LAC2Q002
90
Cable Size
(AWG)
Ground Lead
Length (ft)
A235B2C3LH
1-1/4
1/0 Stranded
3
A235C2C1LH
1-1/2
1/0 Stranded
1
A235C2C1RH
1-1/2
1/0 Stranded
1
A235C2G2LH
1-1/2
2/0 Stranded
2
A235D2C1RH
2
1/0 Stranded
1
A235D2G2LH
2
2/0 Stranded
2
A235D2Q4RH
2
4/0 Stranded
4
A235E2C3RH
2-1/2
1/0 Stranded
3
A235E2G4LH
2-1/2
2/0 Stranded
4
A235E2Q2RH
2-1/2
4/0 Stranded
2
A235F2G2LH
3
2/0 Stranded
2
A235F2Q10RH
3
4/0 Stranded
10
A235F2Q5RH
3
4/0 Stranded
5
A235G2Q2RH
3-1/2
4/0 Stranded
2
A235G2Q4RH
3-1/2
4/0 Stranded
4
A235H2C4RH
4
1/0 Stranded
4
A235H2Q2LH
4
4/0 Stranded
2
A235H2Q2RH
4
4/0 Stranded
2
Part Number Coding
Example:
A237 C 2Q 8
Nominal pipe
size (inches)
B = 1-1/4” F = 3”
C = 1-1/2” G = 3-1/2”
D = 2”
H = 4”
E = 2-1/2”
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Left hand shown
A237 Pre-fabricated Fence Clamp Assemblies
with Double Ground Leads
Welding
Material
B522H
Nominal
Pipe Size (in)
Part No.
B522 Fence Clamps for Field-Welded Connections
Left Hand (LH)
or
Right Hand (RH)
2C = 1/0 Stranded
2G = 2/0 Stranded
2Q = 4/0 Stranded
59
Cable Code (AWG)
2C = 1/0 Stranded
2G = 2/0 Stranded
2Q = 4/0 Stranded
Part No.
Nominal
Pipe Size
(in)
Cable Size
(AWG)
Length of Each
Ground Lead
(ft)
A237C2Q8
1-1/2
4/0 Stranded
8
A237D2G1
2
2/0 Stranded
1
A237D2G2
2
2/0 Stranded
2
A237D2Q4
2
4/0 Stranded
4
A237E2Q1
2-1/2
4/0 Stranded
1
A237E2Q4
2-1/2
4/0 Stranded
4
A237F2C6
3
1/0 Stranded
6
A237F2Q4
3
4/0 Stranded
4
A237H2C1
4
1/0 Stranded
1
A237H2C4
4
1/0 Stranded
4
A237H2Q4
4
4/0 Stranded
4
Length
of each
Ground
Lead (feet)
FENCE CLAMP ASSEMBLIES
• Available for field-welding or
with pre-fabricated cable and
ground leads
Ground Lead
Length (feet)
Cable Code (AWG)
B = 1-1/4” F = 3”
C = 1-1/2” G = 3-1/2”
D = 2”
H = 4”
E = 2-1/2”
• Stainless steel hardware
Part
No.
A235 B 2C 3 LH
Nominal pipe
size (inches)
EQUIPOTENTIAL BONDING
Example:
• Made of tinned, electrolytic
copper
Fence Clamp Assemblies
A238
Pre-fabricated
Gate Jumper
Assemblies
A239 Pre-fabricated Gate Jumper Assemblies
with Ground Lead
Gate
(size “X”)
Gate
Gate
(size
“X”)
(size
“X”)
Post Frame
Pos
(size
(size “Y”)
Post
Frame
Post
Frame
Left hand
shown
(size
“Y”)
(size
“Y”)
Part Number Coding
Example:
A238 “XY” 2S 12 LH
Nominal
Nominal Clamp
Gate Size Post Frame Codes
(in) “X” Size (in) “Y” “XY”
1 1/4
EB
2 1/2
EC
1 1/2
3
3 1/2
4
FENCE CLAMP ASSEMBLIES
Part No.
1 1/4
FB
1 1/2
FC
1 1/4
GB
1 1/2
GC
1 1/4
HB
1 1/2
HC
4/0 AWG
Flexible
Jumper
Designation
Example:
A239 “XY” 2S 24 2Q 3 LH
Jumper Length
(inches)
Left Hand (LH)
or
Right Hand (RH)
A238EB2S12LH
2 1/2
1 1/4
4/0 Stranded
12
A238EB2S12RH
2 1/2
1 1/4
4/0 Stranded
12
A238EB2S18RH
2 1/2
1 1/4
4/0 Stranded
18
A238EC2S12LH
2 1/2
1 1/2
4/0 Stranded
12
A238EC2S24RH
2 /2
1 1/2
4/0 Stranded
24
A238EC2S8LH
2 1/2
1 1/2
4/0 Stranded
8
A238FB2S24LH
3
1 1/4
4/0 Stranded
24
A238FC2S12LH
3
1 1/2
4/0 Stranded
12
A238FC2S18RH
3
1 1/2
4/0 Stranded
18
A238FC2S24LH
3
1 1/2
4/0 Stranded
24
A238GC2S12LH
3 1/2
1 1/2
4/0 Stranded
12
A238GC2S18RH
3 1/2
1 1/2
4/0 Stranded
18
A238GC2S24LH
3 1/2
1 1/2
4/0 Stranded
24
A238HB2S18LH
4
1
1 /4
4/0 Stranded
18
A238HB2S18RH
4
1 1/4
4/0 Stranded
18
A238HC2S12LH
4
1 1/2
4/0 Stranded
12
A238HC2S15RH
4
1 1/2
4/0 Stranded
15
A238HC2S24LH
4
1 1/2
4/0 Stranded
24
Steel Pipe Sizes (Schedule 40)
EQUIPOTENTIAL BONDING
Part Number Coding
Nominal Gate Nominal Post Jumper Cable Jumper
Size (in)
Frame Size (in) Size (AWG) Length (in)
1
Nominal Steel
Pipe Size (in)
Outside
Diameter (in)
Outside Diameter to
Nearest Fraction (in)
1
1.315
1 5/16
1
1 /4
1.660
1 /8
1 1/2
1.900
1 7/8
2
2.375
2 3 /8
2 /2
2.875
2 /8
3
3.500
3 1/2
3 1/2
4.000
4
4
4.500
4 1/2
1
5
7
Left hand shown
Nominal
Nominal Clamp
Gate Size Post Frame Codes
(in) “X” Size (in) “Y” “XY”
1 1/4
EB
2 1/2
EC
1 1/2
1 1/4
3
3 /2
1
4
FB
1 1/2
FC
1 1/4
GB
1 1/2
GC
1 1/4
HB
1 1/2
HC
Part No.
A239EB2S242Q3LH
Jumper
Length
Ground
Lead
Length
(inches)
(inches)
4/0 AWG
Flexible
Jumper
Designation
Left Hand (LH)
or
Right Hand (RH)
Ground Lead Cable Code (AWG)
2C = 1/0 Stranded
2G = 2/0 Stranded
2Q = 4/0 Stranded
9F = Copper-Clad Steel #9, 19-Strand
Nominal Nominal Post
Jumper
Jumper Ground Lead Ground
Gate Size Frame Size
Cable Size Length Cable Size
Lead
(in)
(in)
(AWG)
(in)
(AWG)
Length (ft)
2 1/2
1 1/4
4/0 Stranded
24
4/0 Stranded
3
A239EB2S242Q3RH
2 1/2
1 1/4
4/0 Stranded
24
4/0 Stranded
A239EB2S242Q4LH
2 1/2
1 1/4
4/0 Stranded
24
4/0 Stranded
4
A239EC2S182Q6LH
2 1/2
1 1/2
4/0 Stranded
18
4/0 Stranded
6
A239EC2S242C8RH
2 1/2
1 1/2
4/0 Stranded
24
1/0 Stranded
8
A239EC2S242G4LH
2 1/2
1 1/2
4/0 Stranded
24
2/0 Stranded
4
A239EC2S249F6LH
2 1/2
1 1/2
4/0 Stranded
24
#9, 19-Strand
6
A239EC2S249F6RH
2 1/2
1 1/2
4/0 Stranded
24
#9, 19-Strand
6
A239FC2S142C2RH
3
1 1/2
4/0 Stranded
14
1/0 Stranded
2
A239FC2S242C6LH
3
1 1/2
4/0 Stranded
24
1/0 Stranded
6
A239FC2S242G4RH
3
1 1/2
4/0 Stranded
24
2/0 Stranded
4
A239FC2S242Q10R
3
1 1/2
4/0 Stranded
24
4/0 Stranded
10
A239GB2S242Q4LH
3 1/2
1 1/4
4/0 Stranded
24
4/0 Stranded
4
A239GB2S242Q4RH
3 1/2
1 1/4
4/0 Stranded
24
4/0 Stranded
4
A239GC2S122Q2RH
3 1/2
1 1/2
4/0 Stranded
12
4/0 Stranded
2
A239GC2S242Q4LH
3 1/2
1 1/2
4/0 Stranded
24
4/0 Stranded
4
A239GC2S242Q4RH
3 1/2
1 1/2
4/0 Stranded
24
4/0 Stranded
4
A239HB2S122Q4LH
4
1 1/4
4/0 Stranded
12
4/0 Stranded
4
A239HB2S242Q1RH
4
1 1/4
4/0 Stranded
24
4/0 Stranded
1
A239HB2S242Q4LH
4
1 1/4
4/0 Stranded
24
4/0 Stranded
4
A239HC2S142C2RH
4
1 1/2
4/0 Stranded
14
1/0 Stranded
2
A239HC2S182Q6LH
4
1 1/2
4/0 Stranded
18
4/0 Stranded
6
A239HC2S189F1RH
4
1 1/2
4/0 Stranded
18
#9, 19-Strand
1
A239HC2S242C10L
4
1 1/2
4/0 Stranded
24
1/0 Stranded
10
A239HC2S242G2RH
4
1 1/2
4/0 Stranded
24
2/0 Stranded
2
60
3
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Cables
Cable Reels and Coils
A805A01F Series
A822SA111C & A822SB11C Series
• Bare bronze cable
• Galvanized steel
• Extra flexible
• 1/8” Orange insulated
coiled cable
• 3/16” diameter
Part No.
Length (ft)
A805A01F-5
5
A805A01F-10
10
A805A01F-20
20
Part No.
Length (ft)
A822SA111C-5
5
A822SA111C-10
10
A822SA111C-20
20
A822SB111C20
20
20’ Cable Reel B2618A
A806A3F Series
• Cable length: 20’
• Orange insulated
bronze cable
• Extra flexible
• Cable size: 3/32” diameter
bare stainless steel
• 3/16” diameter
• Bare bronze cable
• Extra flexible
Part No.
Length (ft)
A806A03F-5
5
A806403F-10
10
A806A03F-20
20
Features
Two 1/4” bolt holes to affix
Uses only one cable terminator.
Other end of cable is grounded through metal reel case.
Plated bolting surfaces and base.
• Bare stainless steel cable
• Cable length: 50’
• Extra flexible
• Cable size: 3/32” diameter
bare stainless steel
• 1/8” diameter
Length (ft)
A822SAS-5
5
Features
A822SAS-10
10
A822SAS-20
20
Two 1/2” bolt holes to affix
Uses only one cable terminator.
Other end of cable is grounded through metal reel case.
Plated bolting surfaces and base.
www.erico.com
61
EQUIPOTENTIAL BONDING
50’ Cable Reel B2618B
A822SAS Series
Part No.
STATIC GROUNDING AND BONDING
Static Grounding and Bonding
Static Grounding and Bonding
Static Grounding Clamps
“C” Clamps
B2610A Spring Clamp
“C” Clamp B2615B
• Bare bronze cable
• Extra flexible
Features
Die Cast Aluminum
Max Jaw Opening: 1”
Throat Depth: 1”
Max Cable Size: 1/8”
Contact Points: 2 ea., Stainless Steel
Release Harness: Not Available
Features
Bronze
Max Jaw Opening: 1-1/4”
Throat Depth: 1-1/2”
Max Cable Size: 3/16”
Length: 2-1/2”
Contact Point: Bronze, Includes Crimp Lug
B2611A Spring Clamp
Static Grounding Components
STATIC GROUNDING AND BONDING
Features
Die Cast Aluminum
Max Jaw Opening: 1-1/2”
Throat Depth: 2”
Max Cable Size: 3/16”
Contact Points: 3 ea., Stainless Steel
Release Harness: Included
B750A Static Grab Bar
Holes for 1/2”
Mounting Bolts
B2614A Spring Clamp
1” x 18” Stainless
Steel Tube
Do
Features
1/0 x 72” Copper
Cable with Tinned
Copper Lug
Bronze
Max Jaw Opening: 1”
Throat Depth: 2-1/2”
Max Cable Size: 3/16”
Length: 9-1/2”
Contact Points: 3 ea., Stainless Steel
Release Harness: Included
Wa
ll
• Stainless Steel
• Length: 18”
B2617A Aircraft Grounding Clamp
EQUIPOTENTIAL BONDING
or
• Furnished with 6’ of 1/0 AWG copper conductor
with a tinned copper lug
• CADWELD® lug attached for connecting to the
ground system
Application – Touch before entry into static controlled
assembly area.
Features
Die Cast Aluminum
Max Jaw Opening: 3/4”
Throat Depth: 5/32”
Max Cable Size: 4-1/2”
Contact Points: Plated Steel
Release Harness: Not Available
Fits rods up to 3/4” and CADWELD® Aircraft Grounding
Receptacles B165 and B166
62
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Ground Resistance Testers
PG
G 60
PG 6
PG
60
0
GROUND TESTER
PG
G 61
GROUND
G
ROUND TESTER
TEST
T
ESTE
ER
RK
KITS
ITS
PG 61
RESISTANCE TESTER
PG 6
PG
61
1
CABLLE
ER
REE
EELLS
S
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ww.
w erico.
o co
com
m
63
GROUND RESISTANCE TESTERS
CL
CL
CLAMP
LAMP
AMP ON
ON PROBE
PROBE
Ground Resistance Testers
ERICO offers a complete range of ground resistance
testers. The units are lightweight and portable for
ease of use in the field. Their robust design and splashproof construction help them withstand extreme
conditions. The large LCD displays show required test
connections and features a complete automatic test
sequence for selected operations.
Ground Tester Kits
Part No.
EST3640
Description
Unit Weight (lbs)
2- and 3-Point Ground Tester Kit
35.01
• Measures ground resistance (2- and 3-Point)
• Battery powered
EST4620
EST4620
2-, 3- and 4-Point Ground Tester Kit
35.07
• Measures ground resistance (2- and 3-Point) and soil resistivity (4-Point)
• Step voltage tests and touch potential measurements
• Battery powered
EST3640
EST4630
2-, 3- and 4-Point Ground Tester Kit
35.01
• Measures ground resistance (2- and 3-Point) and soil resistivity (4-Point)
• Step voltage tests and touch potential measurements
• AC powered with rechargeable NiMH batteries
EST6472
37.08
• 3-Point Fall-of-Potential measurement with manual or automatic
frequency selection and automatic lead compensation
• 4-Point soil resistivity measurement with automatic calculation of Rho and
user selection of Wenner or Schlumberger test method
• Earth coupling testing (3-Point earth coupling measurement
• Manual or automatic frequency scan from 40 to 513Hz for test accuracy in
electrically noisy environments
• Selectable test voltage 16 or 32V up to 250mA test current
• 2- and 4-Wire DC resistance measurement (Bond testing) with automatic
polarity reversal
• Ground resistance with 2 clamps (no auxiliary rods)
• Includes DataView® software for data storage, real-time display, analysis,
report generation and system configuration
• Auto-off power management
• Automatic recognition of all electrode connections and their resistance
value
• Stores up to 512 complete test results in internal memory
• Optically isolated USB communication
• AC powered with rechargeable NiMH batteries from wall charger or
vehicle power
EST4630
EST6472
• Fall-of-Potential method
GROUND RESISTANCE TESTERS
2-, 3- and 4-Point Ground Tester Kit (**)
• Auto-ranging: automatically selects the optimum range
• Designed to reject high levels of noise and interference
• Extremely simple to operate: connect – press – read
• LED on faceplate informs operator of high input noise,
high auxiliary rod resistance and fault connections
* Kits include:
• May also be used for continuity tests on bonding
• Two 300’ color-coded leads on spools (red and blue)
• Two 100’ color-coded leads (green and black)
• Four 14.5” T-shaped auxiliary ground electrodes
• One set of five spaded lugs
• 100’ tape measure
• Carrying bag
** Clamp-on probe sold separately for use with EST6472
• Rugged dustproof and rainproof field case
• Color-coded terminals
• CE Mark
64
www.erico.com
Ground Resistance Testers
Handheld Ground Resistance Tester
Part No.
Description
EST401
Handheld Ground Resistance Tester
Cable Reels
Ground Resistance Tester Model Comparison
EST3640
EST4610
Type of
Measurements
2 & 3 Point
2, 3, & 4 Point
2, 3, & 4 Point
Soil Resistivity
Test
No
Yes
Yes
Range
20Ω
200Ω
2000Ω
Measurement
Ranges
0.00 to 19.99Ω
20.0 to 199.9Ω
200 to 1999Ω
Resolution
10mΩ
100mΩ
1Ω
Test Current
10mA
1mA
0.1mA
Open Voltage
<42V Peak
Operating
Frequency
128 Hz Square Wave
Accuracy
+/- 2% of Reading +/- 1ct
0.1A,>250V, 0.25 x
Fuse Protection 1.25"; 30kA Interupt
Capacity
EST4630
• 2 Heavy duty insulated thermoplastic 11” diameter reels
with integral carrying handle, rugged base, and cranks for
fast test lead retrieval
• Test leads are marked every 25’ for easy auxiliary ground
test stake positioning
+/- 3% of Reading
+/- 3ct
• 500’ of #18 silicone rubber insulated wire on each reel,
two different colors for easy stake identification
High breaking capacity, 0.1A,>250V
• The far end of test lead remains attached to reel base,
which eliminates tangling and speeds up the process
of test stake deployment. A jack built into the reel base
connects the test lead to the test stake with an included
jumper
Low Battery Indication
Test Kit
Included
Yes
Yes
Yes
Clamp-on Probe
Part No.
Description
Unit Weight (lbs)
ESR182
Clamp-on Probe for use with EST6472 ***
3.0
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65
Part No.
Description
Unit Weight (lbs)
ESTREELKIT500
500 ft. Cable Reels
17.0
GROUND RESISTANCE TESTERS
Models
Technical Information
TECHNICAL INFORMATION
Concentric Stranded Conductor Sizes
Size
(AWG/MCM/mm2)
Circular Mils
8 AWG
16,510
Solid
8 AWG
16,510
7/.0486”
6 AWG
26,240
Solid
–
6 AWG
26,240
7/.0612”
0.0612
16 mm2
31,600
7/1.17
0.0461
0.2010
Stranding
Nominal O.D.
of Strand
Approx, O.D.
(inches)
Approx, O.D.
(mm)
Weight
(lbs/mft)
CADWELD
Cable Code
–
0.1285
3.26
50.0
1D
0.0486
0.1460
3.71
50.1
1E
0.1620
4.11
79.5
1G
0.1840
4.67
81.1
1H
5.11
96.1
W3
4 AWG
41.740
Solid
–
0.2043
5.19
126.3
1K
4 AWG
41,740
7/.0772”
0.0772
0.2320
5.89
129.0
1L
4 AWG
41,740
19/.0469”
0.0469
0.2350
5.97
129.0
1L
25 mm2
49,300
7/2.14 mm
0.0843
0.2530
6.43
152.5
Y1
25 mm2
49,300
19/1.35
0.0531
0.2660
6.76
152.5
Y1
2 AWG
66,360
Solid
–
0.2576
6.54
200.9
1T
2 AWG
66,360
7/.0974”
0.0974
0.2920
7.42
204.9
1V
2 AWG
66,360
19/.0591”
0.0591
0.2920
7.42
205.0
1V
35 mm2
66,360
19/1.53 mm
0.0602
0.3010
7.65
211.0
Y2
50 mm2
98,500
19/1.78 mm
0.0701
0.3500
8.89
287.6
Y3
1/0 AWG
105,600
Solid
–
0.3249
8.25
319.5
2B
1/0 AWG
105,600
7/.1228”
0.1228
0.3690
9.37
326.0
2C
2C
1/0 AWG
105,600
19/.0745”
0.0745
0.3730
9.47
326.0
2/0 AWG
133,100
Solid
–
0.3648
9.27
402.8
2F
2/0 AWG
133,100
7/.1379”
0.1379
0.4140
10.52
410.9
2G
2/0 AWG
133,100
19/.0837”
0.0837
0.4190
10.64
410.9
2G
70 mm2
138,000
19/2.14 mm
0.0843
0.4210
10.69
415.3
Y4
3/0 AWG
167,800
Solid
–
0.4096
10.40
507.8
2K
3/0 AWG
167,800
7/.1548”
0.1548
0.4650
11.81
518.0
2L
3/0 AWG
167,800
19/.0940”
0.0940
0.4700
11.94
518.0
2L
95 mm2
187,000
37/1.78 mm
0.0700
0.4910
12.47
576.5
Y5
Y5
95 mm2
187,000
19/2.52
0.0992
0.4960
12.60
576.5
4/0 AWG
211,600
Solid
–
0.4600
11.68
610.5
2P
4/0 AWG
211,600
7/.1739”
0.1739
0.5220
13.26
653.0
2Q
2Q
4/0 AWG
211,600
19/.1055”
0.1055
0.5280
13.41
653.0
120 mm2
237,000
37/2.03 mm
0.0799
0.5600
14.22
737.1
Y6
250 MCM
250,000
19/.1147”
0.1147
0.5750
14.61
771.0
2V
250 MCM
250,000
37/.0822”
0.0822
0.5750
14.61
771.0
2V
150 mm2
296,000
37/2.25 mm
0.0886
0.6200
15.75
896.4
Y7
300 MCM
300,000
19/.1257”
0.1257
0.6290
15.98
926.9
3A
300 MCM
300,000
37/.0900”
0.0900
0.6290
15.98
926.9
3A
185 mm2
365,000
27/2.52 mm
0.0992
0.6950
17.65
1124.1
Y8
400 MCM
400,000
37/.1040
0.1040
0.7200
18.29
1235.2
3H
240 mm2
474,000
61/2.25 mm
0.0886
0.7970
20.24
1478.2
Y9
500 MCM
500,000
19/.1622”
0.1622
0.8130
20.65
1544.0
3Q
500 MCM
500,000
37/.1162”
0.1162
0.8130
20.65
1544.0
3Q
750 MCM
750,000
61/.1109”
0.1109
0.9980
25.35
2316.0
4L
987,000
61/3.20 mm
0.1260
1.1340
28.80
2990.8
W1
1,000,000
61/.1280”
0.1280
1.1520
29.26
3088.0
4Y
500 mm
2
1000 MCM
66
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Technical Information
Rectangular Copper Busbar
DSA Copper-bonded Conductor
Cable
Stranding
Nominal
Diameter
kcmil
Equivalent
Copper Size*
CADWELD
Cable Code
7/#10
7/#8
.306
72.7
3 AWG
9A
.385
115.6
1
9B
7/#7
.433
145.7
1/0
9C
7/#6
.486
183.8
2/0
9D
7/#5
.546
231.7
3/0
9E
19/#9
.572
248.8
3/0
9F
7/#4
.613
292.2
4/0
9L
19/#8
.642
313.7
4/0
9G
19/#7
.721
395.5
250 Kcmil
9H
37/#9
.801
484.4
300
7W
19/#6
.810
498.8
350
9J
37/#8
.899
610.9
400
7V
19/#5
.910
628.9
450
9K
37/#7
1.010
770.3
500
9M
Thickness
(inches)
1/8
1/2”
5/8”
3/4”
1”
Material
Type
Copper-bonded
Sectional
Steel*
Plain
Copper-bonded
Plain
Copper-bonded
Sectional
Copper-bonded
Sectional
Steel*
Plain
CADWELD
Ground Rod
Code
.505
14
9/16”
.500
14
.475
15
1/2”
.447
13
.563
16
.625
31
Copper-bonded
Plain
.563
16
Copper-bonded
Sectional
.682
18
Steel*
Plain
.750
33
3/4”
Copper-bonded
Plain
.682
18
Copper-bonded
Sectional
.914
22
Steel*
Plain
1.000
37
Copper-bonded
Plain
.914
22
1”
.484
CE
.726
CG
2
318,300
.969
CH
1
238,700
.727
DE
2
477,500
1.45
DH
1
318,300
.969
EE
1-1/2
477,500
1.45
EG
2
636,600
1.94
EH
3
954,900
2.91
EK
4
1,273,000
3.88
EM
1
477,500
1.45
GE
1-1/2
716,200
2.18
GG
1/2
Body
Dia.
5/8”
159,200
238,700
3/8
Thread
Size
2
954,900
2.91
GH
3
1,432,000
4.36
GK
4
1,910,000
5.81
GM
2
1,273,000
3.88
JH
3
1,910,000
5.81
JK
4
2,546,000
7.75
JM
Reinforcing Bars
Rebar
Sizes
3
*Plain steel, stainless steel, stainless clad rods or galvanized steel.
Weight (lbs CADWELD
per foot) Busbar Code
1
1/4
Bare Copper-bonded Conductor
Circular
Mil Size
1-1/2
3/16
*Approximate based on fusing current calculations
Nominal
Size
Width
(inches)
Nominal Dimensions
Equivalent
CADWELD
CrossCopper
Rebar Code
Dia. (inches) Secitonal Area
Sizes*
(Sq. inches)
.375
.11
9 AWG
51
4
.500
.20
7
52
5
.625
.31
5
53
6
.750
.44
3
54
7
.875
.60
2
55
8
1.000
.79
1
56
9
1.128
1.00
1/0
57
10
1.270
1.27
2/0
58
11
1.410
1.56
3/0
59
14
1.693
2.25
250 kcmil
60
18
2.257
4.00
450
61
Useful Conversions
Area
Square Inches x 1273 = kcmil
Square Millimeters x 1.974 = kcmil
kcmil x 0.5067 = Square Millimeters
Density
Copper: 0.323 lb/in3
Steel: 0.283 lb/in3
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67
TECHNICAL INFORMATION
*Based on 8% IACS, rounded to the next higher commercial
copper size.
Technical Information
Steel Pipe Sizes
Standard Weight
(Schedule 40)
Nominal Size
(inches)
ASTM® A53-90-B
ANSI®/ASME® B36.10M-1985
O.D.
(inches)
Wall Thickness
(inches)
CADWELD
Mold Code
1
1.315
.133
1
1-1/4
1.660
.140
1.25
1-1/2
1.900
.145
1.50
2
2.375
.154
2
2-1/2
2.875
.203
2.50
3
3.500
.216
3
3-1/2
4.000
.226
3.50
4
4.500
.237
4
5
5.563
.258
5
6
6.625
.280
6
8
8.625
.322
8
10
10.750
.365
10
Other Standard Sections used for
Fence Posts
Section
CADWELD Mold Code
1-1/2” square
PS15
2” square
PS20
2-1/2” square
PS25
3” square
PS30*
1.875 x 1.625 x .133 “H”
PH1
2.25 x 1.95 .143 “H”
PH2
*For D or F mold price only.
TECHNICAL INFORMATION
WARNING
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warnings may cause product malfunction, property damage, serious bodily injury and death.
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(INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE), SHALL EXIST IN CONNECTION WITH THE SALE OR USE OF ANY
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must, upon ERICO’s prior written approval in accordance with its standard terms and procedures governing returns, promptly be returned to ERICO for inspection. Claims
not made as provided above and within the applicable time period will be barred. ERICO shall in no event be responsible if the products have not been stored or used in
accordance with its specifications and recommended procedures. ERICO will, at its option, either repair or replace nonconforming or defective products for which it is
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LIMITATION OF LIABILITY
ERICO excludes all liability except such liability that is directly attributable to the willful or gross negligence of ERICO’s employees. Should ERICO be held liable its liability
shall in no event exceed the total purchase price under the contract. ERICO SHALL IN NO EVENT BE RESPONSIBLE FOR ANY LOSS OF BUSINESS OR PROFITS, DOWNTIME
OR DELAY, LABOR, REPAIR OR MATERIAL COSTS OR ANY SIMILAR OR DISSIMILAR CONSEQUENTIAL LOSS OR DAMAGE INCURRED BY BUYER.
68
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Grounding, bonding, lightning
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69
A range of CADWELD products,
including information on molds
and connection types.
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