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It may be that the living room of your house is about to break, buy a new lamp and replace it, change it early, and save it from being dark at night.
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Let's change the lamp first, if this is still the case, there may be a problem with the switch and the line, the switch should be connected in series on the live line, and the switch in your home is connected in series on the zero line. When the light is turned on, it cannot form a loop. To be on the safe side, check your switches and wiring with a professional.
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Of course, there is a problem with the lamp, or there is a problem with the current. Buy a new one, it will be very bright, the time is long, the life is up, it's time to replace it.
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If the lamp has capacitive coils and other electronic components in the internal structure of the lamp, and there is a slight flash when turned off, you can replace the positive and negative wires of the power supply.
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This indicates that the life of the lamp has reached the end of its life and it is time to replace it with a new one.
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It is likely that the lamp drive is broken, replace it with a new one.
Abnormal, the biggest possibility is that there is a problem with the drive, it may be a leakage, that is, there is a conductive part connected to the ground wire, because we are using alternating current, although the switch is turned off, but only one pole (live wire or neutral wire) is turned off, and the current will still be generated, but the leakage is not directly conducted on the ground wire but through a larger resistance, so the current is smaller, and only in a dark environment can you see that there is light.
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It's hard to open it yourself.
can be made by the people in the light shop. >>>More