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Causes of wall switch does not power on properly

Jan 21, 2017

1, the wall switch and socket manufacturer check the neutral connector is shorted, took apart the socket Panel, see if there is a problem, a zero line from a known working outlet to outlet, if fully powered means zero burn as it once was, the original line down, looking for professional electrical wiring.
2, electric pen tests, the light indicates that the FireWire is power, proved to be the zero line, will only cause the socket without electricity.
3, check the positive and negative contacts of the elasticity is good, when plugged in, shrapnel in the socket and plug contacts with or without exception.
4, FireWire, just won't power up properly, then it is necessary to check the zero line is a circuit breaker (short of zero).