Application Research on Mine Rubber Cable Connection and Sheath Repair

The features of underground coal mine power system and coal mine rubber cable are analyzed.It is introduced a connection solution for coal mine rubber cable with the insulation shield breaker electric field control.The reliability is being proved by test data,at the same time,the outer sheath repair and the safety certification issues are discussed.Then proposes the suggestion that coal mine cable middle joint safety certification should be divided to metal and non-metal type.