Manufacture of the Medium Voltage Cable Fusion Joint and the Key Test Verification

This article introduces the reason of high failure rate of medium voltage cable line accessories in south of China. In order to solve the problem,we adopt different ways to make the fusion joint,and then test it as the national standard. It is proved that the fusion joint meets the electric requirement,and it solves the problem of the moisture penetration. But the fusion joint quality is affected by the operation method,manufacture process,die,material,operator quality and the other factors.