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:滁州2098-DSD-HV030 AB伺服驱动器 罗克韦尔怎么样
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:滁州2098-DSD-HV030 AB伺服驱动器 罗克韦尔怎么样同时配电箱内的零线排就成了“火线排”，始终带有电压。极易造成漏电甚至引发火灾。如何判断入户线是否接反呢？很简单，测量两个地方——可以用测电笔测量零排，主开关合闸、支路开关全部断开后，如果零排可以点亮电笔，则说明入户线的零火线接反了——前提是配电箱内接线没错。也可以将主开关闭合、支路开关断开后，测量1P漏电开关或1P+N开关的“N”接线柱，如果电笔可以点亮，则证明入户线的零火线接反了。这种情况解决起来很简单：先去电表箱（一般在楼道里）把自己家的断路器断开，把配电箱主开关的进线拆掉，调换顺序即可。