UTILCO 3 Port Insulated Connector, Mechanical connection, Dual Rated, Aluminum alloy 6061-T6 material, Clear plated connector,Copper/Aluminum Primary Conductor 1/0 Str - 14 Str, Copper/Aluminum Secondary Conductor 1/0 Str - 14 Str, 3 conductors, Plastisol insulation, Drive Type Main 3/16 Internal Hex, Drive Type Tap 3/16 Internal Hex, primary color Clear, Silver, Red,