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控制电灯的开关应该接在什么线上
更新时间: 2020-10-21 00:00:00  

如果电灯损坏,安装电灯时可先断开电流,保证安全。电灯的零线和电源的零线并联,开关如果控制零线会导致开关关闭后线路上还会带电,容易在检修时发生触电。照明电路里的两根电线,一根叫火线,另一根则叫零线。火线和零线的区别在于它们对地的电压不同。

关键词: 控制 电灯 开关 应该 什么

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