This paper investigates the phenomenon of electrification of zero conductor in low voltage power supply system on the basis of actual circuit, and suggests sollutions for four possible causes.
从实际电路出发，对低压供电系统中零线带电现象进行了分析，得出零线带电的四种原因。
When the wires are multiphase conductor, it should be easy for us to distinguish the colors, and the color of phase should be different from that of the zero line.
当配线采用多相导线时，其相线的颜色应便于区分，相线与零线的颜色应不同。
The electric field within a closed, empty conductor is zero, so the cup shields the object placed inside it from any atmospheric or stray electric fields.
由于闭合、中空导体中的电场为零，所以，使用法拉第杯就把放在其内部的物体屏蔽起来，不受大气的或任何寄生的电场的影响。
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