... communication system PVC Insulated , PVC sheathed power cable for coal mine Communication Cable for Coal Mine can be used for monitoring railroad transmission ... .12-1999 TypeNameMVV PVC Insulated , PVC sheathed power cable for coal mineMVV22 PVC Insulated , steel tape armored ,PVC sheathed ... , heavy steel wire armored ,PVC sheathed power cable for coal mine Type CoresRated Voltage kV0.6/11.8/33.6 ...