Temco 6X 30A MC4 T Branch Solar Panel Connector Set Y Splitter Coupler Combiner Lifetime warranty. Don't choose a product that will degrade or fail before your panels do. Precision snug mating fit. High tolerance dies are used in the molding process. HIGH UV Resistance. Won't degrade in sunlight. Ultra-Low Contact Resistance. Unique spring membrane contact surface in terminal. Waterproof. O-Ring connector and cable gland provide IP67 rating. Silver Plated Copper Terminals outlast and outperform tin-plated models