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led灯关灯后忽亮忽灭

更新时间: 2020-10-03 00:00:00     

led灯关灯后忽亮忽灭的原因:

1、因为电工在装断电开关的时候,断电开关接的是零线,不是火线。断电开关一定要用火线断电,否知会有触电危险。如果断电开关用火线,断电后火线还继续向led驱动电源供电,因此会造成关掉开关后led灯还会有隐隐发亮的灯光;

2、开关选用有误,带指示灯的开关不适于控制像LED节能灯等小功率负载,因为通过指示灯流过的电流相对于上述小功率的负载显得已经不小。换掉指示灯开关,取消开关的指示灯即可。

关键词: led 关灯

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