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三根电线颜色怎么区分

更新时间: 2020-10-30 11:57:42     

三根电线分别是火线、零线、地线。1、根据颜色区分:火线一般颜色为红色、黄色、绿色,零线颜色一般为黑色、蓝色,地线一般是黄绿相间的双色线。2、根据位置:一般左边是零线,右边是火线,中间是地线。左零,右火,中间地线。

关键词: 电线 颜色 怎么 区分

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