- #36
sophiecentaur
Science Advisor
Gold Member
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Studiot said:The British consumer is not electrically isolated from his neighbour and what he does affects the neighbours supply.
His neighbours three doors either side of him, usually (WYE transformer). But his neutral is shared with everyone. If the neutrals and Earth's were joined at both ends, there could be some really hefty Earth currents flowing constantly from induction. It's just like a Hifi system, where you should connect all grounds to one point.