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Ethan Clark——Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
In North America, household 240V is split-phase; there are two lives, each with 120V to ground and with 240V between them. ... [The neutral wire is at nominal ground (earth) voltage, but will not be at actual ground voltage due to current flowing in it and finite wire resistance - it may be a volt or so different.read more >>+119962023-06-08 11:05:47
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