... proof (high pressure) cable connector applies for coal dust, methane, and other explosive mixtures, matching to the equipment and switchgear ... 3.3kV,10kV,1.12kV, frequency 50Hz line, as high pressure switches or transform motor, coupling device between Source ... inlet lines, and cable outlet line. Technical features Connectors is high insulation, docking shortcut, easy use, flexible, reliable, it ...