The main reason why the lamp emits light after the lamp is turned off is that the lamp is charged after the lamp is turned off. The LED chip is particularly sensitive to current. LED lighting manufacture ，If there is no induction state of the current loop, there will still be a small amount of light emitted.
1. The switch controls the neutral wire, and the live wire directly enters the lamp
This is the most common cause of glowing. After turning on the light and controlling the zero line, turning off the light just cuts off the power circuit of the LED light fixture. Solution: Reconnect the circuit and let the switch control the live wire.
2. The switch has an indicator light or an electronic switch is used
Many switches have an indicator light inside. If the indicator light is energized after the light is turned off, there will be current flowing through the lamp. Causes the light to glow after the light is turned off. Solution: remove the switch indicator light or replace the mechanical switch.
3. The wiring method of the double-control switch is wrong
There are many ways of wiring the dual control switch. If the electrician adopts the following wrong wiring method, the light will be dimmed after the light is turned off.
like：
What is the aging test standard for LED lamps?
Why are LED lights easy to break in summer?
New trend of LED wall washer application