When it is cold, the main brake at home often trips, mainly at night.

1, overload trip, overload trip means that the current at the load end is too large, which exceeds the rated current that the no-load switch can pass. In this case, an overload trip will occur. For this kind of fault, it is common to trip after power transmission.

2. Short-circuit tripping means that the live wire and the zero wire at the load end are shorted together. This kind of fault is usually accompanied by a bang when tripping.

3, live wire leakage trip, live wire leakage refers to the live wire grounding, the voltage of live wire to ground wire is 220V, so there will be a "bang" when tripping.

4, zero line leakage trip, zero line leakage refers to the zero line grounding, there is no sound below when tripping, how also can't send electricity.

Do not trip during the day and trip at night. What happened?

1, tripping caused by overload, because less electrical appliances are used during the day and more electrical appliances are used at night. In this case, too much electrical appliances are used at night, which will lead to overload and then trip. In this case, according to the power of the electrical appliance, a larger switch can be replaced.

2, leakage tripping, short circuit tripping, can be directly ruled out, for short circuit and leakage, whether at night or during the day will trip, it is impossible to send electricity, so it can be directly ruled out.

3. Trip caused by leakage of household appliances. Some household appliances are not used during the day and will be used at night. This may happen. In this case, the household appliances will trip directly as soon as they are turned on. Consider whether a household appliance leaks electricity.