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When your out working on a building and measure the incoming mains, with a good quality multi-meter, say at the consumer unit how often do you get 230V vs 240V? Cheers

Greeting again, I am curious how earthing is (or was) done in rural areas of the UK where no-three phase is available say for just one house or a farm? Or perhaps a small village? I imagine it would be a something like a 11kv - 230V single phase transformer grounded on one end of the secondary...

Hello group, I am curious what the BS safety regs call out for to protect equipment that will be in or around a swimming pool? Such as the pool pump motor, under water lights etc? Thank you