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Question:

The problem of residual light in LED lamp after power failure

The problem of residual light in LED lamp after power failure

Answer:

The power line can be switched to zero. The main switch is off and caused by a zero line.
In fact, it is not the induction voltage, but the voltage of the alternating current fire line to the ground. In fact, this phenomenon occurs in fluorescent lamps. In general, as long as the switch off the fire line, this phenomenon will be eliminated.

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