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Hi guys/gals… just pondering a gennie set up in a domestic that has a double pole changeover switch with 25mm tails in from dno and 25mm out to cu, 4mm cable then supplies the gennie male socket. Two queries i have, should the 4mm t&e have overload protection (all be it would be downstream)? And should there be a supplementary earth spike & 10mm connected to the met?
thanks
thanks
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