OP
derek preece
Do you mean the self test button on the RCD?
Discuss Really baffled. in the UK Electrical Forum area at ElectriciansForums.net
What's anyone else think about this?Wonder if its a three phase supply? Fault on one phase and turning the ring on that don't work is allowing power to flow through that and back feed to the board?
Reply to Really baffled. in the UK Electrical Forum area at ElectriciansForums.net
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