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58问答库 > 家用的漆包线做的电线，要接头了，怎么用万能表来区分零线火线

家用的漆包线做的电线，要接头了，怎么用万能表来区分零线火线

2025-03-15 11:41:09

推荐回答（2个）

回答（1）：

在一般的民用住宅中零与与地线在入户配电箱中才会分开，也就是说在入户前地线与零线是合并的。所以要区分零线与地线需要先在配电箱中将零线与地线分开才行。其实家中不需要用万用表去检测地线与零线。三芯插座的上方就是零线左下角就是地线。

回答（2）：

去掉点皮，用电笔量测一下，没电就是零线!错了用胶带包好!

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