After determining the power of the household distribution box, you need to buy a suitable air switch and use it after connecting it with the distribution box. If there is no distribution box at home, you can use the card slot to fix the air switch. The card slot should be fixed on the wall or wooden board, and then an air switch can be installed on the card slot. Otherwise, it is easy to trip, so the following distribution box manufacturers will explain the reasons for tripping:
First, the household distribution box is short-circuited or overloaded, second, the branch line has leakage, and third, the switch itself is faulty. If you are "electric blind", it is recommended to find an electrician to check. If you have some electrical knowledge and tools, please check according to the following steps (easy before difficult): first replace the branch switch or connect the branch to the next trouble-free switch to judge whether the original switch is normal. If it still cannot be turned off, it is a problem on the line side. If it can be turned off, it is a problem on the switch.
If there is a problem with the line side of the household distribution box, please unplug all the appliances in the branch line and turn on the switch. If it can be turned on, it means there is something wrong with an electrical appliance. If you still can’t connect, you must use a meter. Use multimeter to measure whether the line is short-circuited, and use insulating vibrator to measure whether the line is grounded. The problem must be found.
3. The leakage protector is broken, which is the case in my home. The socket of household distribution box is divided into two leakage protectors, but one of them often trips. Later, I connected all the lines of this switch to another switch and never skipped it again. The bad ones, even if no current passes through, will trip for no reason in a while.
4. Overload of household distribution box: When there is overload at home, you can measure the current with calipers. The solution is basically to reduce the use of household appliances at the same time. It is usually not recommended to replace the wire, because as long as the wire is replaced, it will involve the switch and the diameter of the wire entering the house.
5. There is slight leakage in the "socket" circuit at home. The method of inspection is to remove the "neutral line" and "live line" of the "socket" circuit at home, and then connect it to any other distribution box with the same capacity. If the switch does not trip after closing, it means that there is slight leakage in the "outlet return" circuit at home.
