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What causes the Christmas light bulb to flicker

Christmas Bulbs flicker for the following reasons:
1. The voltage is unstable, which is more common. If the electricity in the home is in a small range and there are many appliances used, the voltage will not be stable, and in this case, the lights will flicker.

2. If the socket is loose, it must be removed and then connected again, so as to avoid flashing. Most of the time, it is caused by looseness. After one processing, it can be used directly without any flickering.

3. Place the switch on the zero line, and a "capacitor" is formed between the lamp body, the switch and the zero line. Due to the charging and discharging phenomenon of the "capacitor", the fluorescent lamp keeps flashing at night. In such a case, swap the neutral and live wires, and then use the switch to control the live wire.

Extension: The solution to the flash is: when the flash appears, the first thing to check is that the zero and live wires are connected together. When checking, pay attention to whether the line color on the switch is red. If not, consider whether the switch is controlling the zero line. If it is confirmed to be upside down, adjust it immediately and align the light with the wire of the switch. Secondly, pay attention to the flashing lights. When multiple lights in the room flash at the same time, you should consider whether the neutral wire and the live wire in the distribution box are connected. If it is determined that the neutral and live wires in the distribution box are opposite, then the two wires under the circuit breaker must be aligned, and then after the exchange, make a mark, the color of the neutral wire and the wire on this line will be the same Changes occur so that there is no impact on future maintenance. The switch controls the zero line, in addition to the flashing light, it will also cause the danger of electric shock. If this problem is found, it should be corrected immediately, so as not to cause trouble.