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灯管不亮了有哪些原因

更新时间: 2020-11-30 14:29:45     

主要原因有:1、线路发生故障,2、电压和功率有问题,3、灯管连接处有问题。如果是线路发生故障,就要看看火线和零线是否连接好,如果二者短路,则灯泡不可能变亮。如果是电压和功率的问题,则电灯的电压和功率就需要小于或等于家里的,如果超过了,电灯就不会变亮。此外,还可以检查一下灯管的连接处是否有黑色的痕迹,如果有,则灯泡不会亮。

关键词: 灯管 哪些 原因

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