Temco 1 Pair 10 ft MC4 Solar Panel Extension Black Connector Male Female 10 AWG Gauge PV Cable Wire Lifetime warranty. Don't choose a product that will degrade or fail before your panels do. MADE IN THE USA Wire is RoHS Compliant, UL 4703, 44, 854 rated, UV and Sunlight Resistant. Direct Burial rated. Ultra-Low Contact Resistance. Unique spring membrane contact surface in terminal. 600 V, 10 AWG rated for 40 A Max, 12 AWG rated for 31 A Max. Temperature rating: -40C Min, 90C Max. Waterproof. O-Ring connector and cable gland provide IP67 rating. MC4 connectors are installed on both ends of wire.