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For the old electrician, the fault cause of low-voltage cable and high-voltage cable fault search method is not much different. The principles, methods and techniques are exactly the same. Only when flashover test and fixed point, the impulse voltage is properly controlled to avoid damage to the overall insulation level of the LV cable due to excessive voltage shock.

What is non-standard wire and cable?

​ Everyone knows that cable water ingress is a serious problem. Sometimes you think you have done a good waterproof measure, but the cable still has water ingress. How did the cable get water? Next, I will introduce the causes and countermeasures of cable water ingress.

​ The storage and transportation of wire and cable products are two very important links. If the storage and transportation methods are improper, the quality of wire and cable products will be damaged and the safety of use will be affected.