ILSCO Watertight Underground In-Line Splice, Mechanical connection, Dual Rated, Aluminum material, Wax plated connector, UL 486D Listed, C22.2 No. 198.2, Copper/Aluminum Primary Conductor 750 kcmil - 2 Str, 2 conductors, 2 ports/wireways, EPDM insulation, Drive Type Main 5/16 Internal Hex, rated for 600 V, primary color Black, 1 poles,