Industrial plug is an electrical product widely used in the industrial field, because in the industrial field, the products are frequently used, and the requirements for all aspects are relatively high. Therefore, when the product encounters a fault, it should be repaired in time to restore the original condition of the product, so as to ensure the safety of electricity consumption. The power socket has a seat into which one or more circuit wires can be inserted, through which various wires can be inserted to facilitate connection with other circuits. IP54, that is, dustproof level 5: it cannot completely prevent dust intrusion, but the amount of dust intrusion will not affect the normal operation of the product; Waterproof grade 4: prevent splashing water from invading, and prevent splashing water from all directions from invading. In order to realize frequent commutation of NEMA wiring device, but to realize the braking during commutation and the acceleration after commutation, it is necessary to use the reversing device quickly and effectively. Let me explain to you some maintenance methods when the industrial plug is not powered on or has poor contact after being connected. First, the internal screw is powered off. First, we disassemble the screws on the shell of the industrial plug, and then re-crimp the wires inside the product with the connecting screws on the plug. Some special rubber plugs have no screws inside, so we take out the industrial plugs and connect them with the wires. After the connection is complete, both screws and industrial plugs should be put back into the product. Second, the power cord causes faults such as poor contact. Faced with this kind of failure, we need to judge the condition of the power cord. If it's just the looseness caused by simple poor contact and other failures, we just need to turn on the industrial plug and check the internal power cord, and then we can tighten it. If the internal power cord on the face of the industrial plug is disconnected due to poor contact of the power cord, we need to cut off the power cord, short-circuit a part of the disconnected power cord, and then reconnect it with the plug of the power cord, and the problem will be completely solved. The above are several maintenance methods for arranging industrial plugs in case of power failure. I hope you can help us after reading them.