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三孔插座怎么接二根线

更新时间: 2020-10-29 00:00:00     

如果有两相火线,一相零线,可用一根线把火线连起来,另一根只接零线。带地线的,只接火线和零线,带地线的不要接。地线标识为是T头加个二字,不要接。

零线是由发电机或变压器二次侧中性点(N)引出的线路,与相线(L)构成回路,对用电设备进行供电。通常情况下,零线在变压器二次侧中性点(N)处与保护地线(PE)重复接地(PEN),起到双重保护作用。

关键词: 插座 怎么

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