都是凤舞天骄 发表于 2024-7-27 16:08:08

用电笔进行低压核相的方法

判断两线相同异，两手各持一支笔，两脚与地相绝缘，两笔各触一要线，用眼观看一支笔，不亮同相亮为异。说明：此项测试时，切记两脚与地必须绝缘。
因为我国大部分是380/220V供电，且变压器普遍采用中性点直接接地，所以做测试时，人体与大地之间一定要绝缘，避免构成回路，以免误判断；测试时，两笔亮与不亮显示一样，故只看一支则可。
















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老陈生 发表于 2025-11-18 00:23:56

赞同 + 10086，没毛病，完全没毛病

jzjjzjok 发表于 2025-11-18 13:47:44

楼主太会说了，字字句句都在理～

hjx123456 发表于 2025-11-18 14:01:00

理性围观，感觉大家说得都有道理

王炜博 发表于 2025-11-19 00:33:35

内容太顶了！疯狂点赞，已默默收藏～

liujianding7 发表于 2025-11-19 18:00:21

学到干货了，感谢分享，已火速收藏

xirili 发表于 2025-11-19 18:12:06

浅蹲一个后续，楼主更新踢我一下

李凯Corey 发表于 2025-11-19 18:12:19

蹲一波同款，有没有姐妹 / 兄弟推荐？

起个名字好难 发表于 2025-11-19 18:12:55

楼主辛苦啦，期待下一篇分享

Zzzh 发表于 2025-11-19 18:13:48

不请自来，就想夸一句：太顶了！
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