HQST 10Ft 12AWG Solar Panel and Controller Connector Adaptor Wire MC4 Extension Cables Hard plastic connectors at each end;female and male connectors. Black wire sunlight resistant cable;extends and locks built-in cables. UV resistant and waterproof,IP 65 Protection Length: 20ft; AWG: 10; Rating Voltage: 1000V; Number of Wires in Conductor: 84. Specialized with MC4 connectors on one end for effortless connection to your panel and exposed wire on the other end to lead directly into your charge controller.