There are two cases, the first case is that the internal line or contact piece of the bull socket is loose, when the plug is inserted into the load, the internal line of the socket is touched, and the short circuit causes the switch to trip and power off.
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In the second case, that is the problem of the plug and the load, the internal wiring of the plug is loose and short circuit causes tripping power, or the load power is large, the current overload or the load short circuit causes tripping power.
1. Check whether the interface is tightly plugged
2, you see how much electrical equipment is connected to your plugboard, whether it exceeds the carrying capacity of the plugboard
3, check that your equipment will not cause power outages