I usually see it when the multi core has 3 phases and an earth which have there own breaker back in the panel and the 110v is fed from a transformer on its own fuses. But have seen it when the main isolator is switched the 110v is still live. What do you reckon on that? Thanks for your help.
I usually see it when the multi core has 3 phases and an earth which have there own breaker back in the panel and the 110v is fed from a transformer on its own fuses. But have seen it when the main isolator is switched the 110v is still live. What do you reckon on that? Thanks for your help.