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andrew2022 said:in the UK, if a house has an earth system connected to an earth rod and not the main incoming cable, then it must have all circuits protected by an RCD (because u mite not be able to get enough fault current to trip a MCB)
Nigel Goodwin said:I don't see the problem with an MCB, it's basically just a resetable fuse, and has nothing to do with any earth lead - so having an earth spike, or not, makes no difference.
andrew2022 said:it is now a legal requirement in the uk to have a RCD on all installations with an earth rod. all wring colour codes are also changing