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...with the circuit MCB switched swtiched off.
I have a ring circuit in my garage which is supplied via its own 32A breaker. Now, I have just put in a new work bench and had to move a socket (surface mounted back box) a few inches. Nice easy job. So I turn off the MCB, I also check with my multimeter that there is no power at the socket. When I cut the cable... the RCD trips. Any ideas?
Also, what resistance should I expect to see between Earth and Neutral conductors?
Thanks guys.
I have a ring circuit in my garage which is supplied via its own 32A breaker. Now, I have just put in a new work bench and had to move a socket (surface mounted back box) a few inches. Nice easy job. So I turn off the MCB, I also check with my multimeter that there is no power at the socket. When I cut the cable... the RCD trips. Any ideas?
Also, what resistance should I expect to see between Earth and Neutral conductors?
Thanks guys.