In the 21 st century

with the rapid development of China’s electric power industry

the national demand for electric power market is increasing day by day. However

more and more cable faults are exposed in this process. Cable insulation fault is an important problem in the cable fault

common causes of insulation fault include insulation aging and production fault

so to discuss the insulation fault of power cable can effectively reduce power accidents

will have a great positive effect on the development of the power cable industry

This paper mainly discusses the insulation fault of cable in the process of manufacturer’s production and social use and its solution.