Why do the two switches of the ceiling light in the living room turn off at the same time, and the p

Updated on Living room 2024-04-15
2 answers
  1. Anonymous users2024-01-23

    If the ceiling lamp is turned off and measured with a pen, there should be two reasons: one is that the switch control back is the zero line, there is no answer to control the live wire, the shutdown is the zero line, the live wire is still there, if so, it is dangerous, it should be adjusted, and the switch controls the live wire; Another reason is that there is a rectifier source or a segmented controller in some lamps, where there is an electrolytic capacitor, just after the switch is turned off, the electricity on the capacitor has not been discharged, so it can be measured, if so, wait until a long time, this voltage is gone.

  2. Anonymous users2024-01-22

    This is because there is a mistake in the wiring of your house, and the live wire is not connected to the switch. The switch is closed on the neutral line, so this phenomenon occurs.

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Smith's good, I've been using it for 5 years.

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There is no impact, whether you are an integrated ceiling or a plastic ceiling, at most a small hole is drilled in the place where the lamp is installed, and the small hole is just covered by the lamp, whether it is a round lamp square lamp has no effect.