Insulated Cable Connector, Single Sided Entry, Two Port, 10 AWG -250 MCM, AL/CU RatedInsulated Cable Connector, Single Sided Entry, Two Port, 10 AWG 250 MCM, AL CU Rated, Aluminum Body, Black For any combination of copper or aluminum. SINGLE SIDED ENTRY. For splice, reducer and tap applications. Dual rated for both aluminum and copper conductors, simultaneous accommodations at 600V and 90C. For use in areas such as troughs, gutters, panels, ducts and wireways. Only one conductor per set screw, and only one supply conductor per