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Hello, it may be caused by poor contact of ballast.
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This may be a short circuit, or the switch button is broken, just ask an electrician.
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First of all, the weak current is not the neutral line but the control line, and in this case, the control line is generally open
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If you don't know how to use electricity, don't fool around, find an electrician!
The power switch is connected to the wrong wire, and the neutral wire is connected to the switch and adjusted.
Hold the door and twist it to the left counterclockwise to the head, and the locking knob below is also rotated counterclockwise.
That's not the light, it's the reason after the heat is stored. It's like iron burning red and leaving the fire, he is still red. A truth.
A broken light is generally a broken bulb, and replacing the bulb is fine. If the whole is not bright, find an electrician to check the line.
I think it's because the switches of these lights are connected to the neutral line, and if they are connected to the live wire, they won't be.