Important guidance note for Electrical works associated with the Better Energy Homes scheme All electrical works under the Better Energy Homes scheme must be in full compliance with current ETCI rules. Earthing and Bonding must be in accordance with ETCI 101:2008 Chapter 54 (544 Equipotential bonding conductors) and Annex 63B (Guidelines for certification for alterations to existing installations) In order to comply with ETCI rules the following note from ETCI 101:2008 Annex 63B must be taken into consideration: As referred to in Annex 63B “Before commencing new work, the installer should assess the existing installation to ensure that it will not impair the safety of the proposed new work, and likewise the new work will not impair the safety of the existing installation. Should the installer become aware of any defect in any part of the installation that would impair the safety of the new work, the client must be informed in writing thereof. No new work should commence until these defects have been made good.” If the earthing/bonding is less than 6mm2 then the heating installer must either (a) issue an ‘Electrical safety notice to the home owner’ to notify them that their current wiring installation is not to current ETCI rules and work cannot commence on the installation until the wiring has been rectified to current ETCI rules or, (b) the bonding must be rectified to current ETCI rules by a competent suitably qualified person Work may commence on a heating system with earthing/bonding of 6mm2 and above however: Heating system with earthing/bonding of less than 10mm2 the heating installer must issue an ‘Electrical safety notice to the home owner’ to notify them that their current wiring installation is not to current ETCI rules. Where bonding arrangements are found not to be in accordance with the current ETCI National Rules then the consumer shall be informed in writing of the situation and advised to have the electrical installation checked and rectified by a competent person. In such circumstances the ‘Electrical safety notice to the home owner’ can be issued to a home owner when an electrical installation is not to current ETCI regulations.
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