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万用表怎么找线

更新时间: 2020-09-18 00:00:00     

找出一根从两端都能容易分辨出是同一根线的电线(比如共用的地线或者用一根临时线),在一端把要找的线与这根线短接,另一端用万用表测量哪根线与这条线相通,然后在两端做上同样的标记,这就是同一条线。再用同样方法找出其它的线。如果网线已压上水晶头,很难从端口再连接其他的线和用表笔测量,可用针或较细的单股导线引出。

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