... solutions 3.Compliance with MC4 connectors Product name: 4.0 solar panel connector (MC4) (Include Male house, Anode metal terminal)Application: Easy ... connector has an auto-lock structure to connect reliablyEligible PPO material, has marvelous performance of high-low temperature, fireproof, anti-ultraviolet ... designed to suit both financial and specification constraints TUV mc4 solar panel connector