The problem of old wiring is if one of the screw is not tight.

来源: PtLandlord 于 2018-11-21 20:06:28 [档案] [旧帖] [给我悄悄话] 本文已被阅读： 0 次 (371 bytes)

回答: QinHwang is right. 由 PtLandlord 于 2018-11-21 14:25:05

It will generate heat. and enventruly the plastic will melt and completed lost connection.

it could lost connection on live or nutural.

When you measure the voltage, you need measure against relialbe nutural wire.

My suggestion is you have open all posible receiple box to find the lose wire.

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