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How does the 4-wire three-phase low votage consumer supply can be used to provide two different voltages?
Wiki User
∙ 11y ago
It can but it's probably dangerous and probaly illegal.
AnswerIt's quite normal to have two different voltages with a three-phase, four-wire, a.c. supply, and it's certainly not illegal nor is it dangerous. For example, in Europe, a three-phase, four-wire, system provides 400 V between lines (line voltage) and 230 V between any line and neutral (phase voltage). While three-phase supplies to residences are unusual, in some countries (e.g. Cyprus) it seems to be standard.
Safety: Three-phase supplies with a 230 V phase voltage undoubtedly have a 400 V line voltage. However for home electrics it will be dangerous and probably illegal to attempt to acces the live conductors in adjacent properties with different single-phase supplies in order to obtain a supply at the line voltage. The reply has to take readers' safety into account ;)
Wiki User
∙ 11y ago
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