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    Earth bonding in a TT system

    Hi I have just purchased a house with a TT supply. The last EICR was carried out in 2021 with no C1 or C2 failures. The CU is up to date with a full complement of RCBOs for all circuits together with a SPD. The main earth is provided by a buried rod on the other side of the wall outside the...
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    Ring Final Circuit Extension

    Hi When adding additional sockets to a ring circuit wired in old colours (red / black) and where the existing cabling is perfectly sound (IR, continuity loop impedance etc) is it acceptable to divert the existing cabling, only adding new cabling (blue / brown) as necessary? Or is it mandatory...
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