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The zero wire is broken, unscrew the cap on the lamp port and try.
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If the zero line is on, the bulb will burn.
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The zero line is also lit without pressing the switch???
Find an incandescent lamp that can be lit, plug it into all the sockets in the bathroom, the light is on, it means that the socket power supply is good, the light is not on, it means that there is a problem with the socket power supply, it may be that the zero line is broken. Find a professional electrician to repair it.
Yes, but it's not standardized.
There are seven sub-switches on the panel of the leakage protector at home: main switch, lighting, kitchen, bathroom, air conditioner, socket, and backup. TVs and computers all use the electricity on the socket, which has been in normal use for two months, and the problem now is that the normal electricity consumption is about three to four hours, and the socket leakage protector trips. All electrical appliances were turned off at night, and I woke up in the morning to find that the socket leakage protector had tripped. >>>More
Yes, you just need to change the cable that connected the original bath bomb to the infrared bulb to the heater. Excess threads can be dispensed with.
Disconnect the wires under the bathroom circuit breaker and measure the insulation of the L, N, and ground wires with a multimeter, and then open the sockets one by one to check.