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          最常见原因) :标准电工规范要求开关必须切断火线;如果装修时把开关接在了零线上,发微电线绝缘层轻微漏电产生感应电流  ,灯泡与天花板或零线之间形成微弱感应电流 ,闪烁火线依然直接连着 LED 灯泡 ,关还光解 开灯时灯泡频繁闪烁的发微解决