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蓝色是火线还是零线

更新时间: 2020-11-09 15:06:06     

蓝色是零线,在目前的电线施工规范中规定,零线为蓝色,火线为红色。在接线时可以使用电笔或者万用表对两根电线进行测试,火线本身是带电的,零线是不带电的。接线时一定要进行区分,避免接错电线,发生触电事故。

关键词: 蓝色 火线 还是

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