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零地电压如何测具体一些

更新时间: 2020-10-20 00:00:00     

零地电压就是N与PE线之间的电压,在配电箱里可以直接用万用表测量N与PE线之间的电压,在设备上可以测量N线对设备外壳的电压。

测零地电压的步骤如下:

选用适合的万用表电压档位;要求万用表两表笔绝缘良好,用黑表笔先接PE端,再将红表笔接于N端;根据电压大小减小电压表档位,读出电压值。

关键词: 电压 如何 具体 一些

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