Compared to MC4 Connectors: The t plug connector provides a quick and easy solution for parallel wiring of solar panels, solves the problem of single connection of MC4 connector and saves your time. Easy to Install: Quick and easy assembly and easy removal of sockets without assistance, no additional tools. Solar panel t connectors feature a strong self-locking system and are easy to plug and unplug Excellent Features: The solar cable branch connectors good resilience with high current and high voltage. The male female solar panel connectors are waterproof up to IP67, dustproof. Material: Tinned copper and PPO insulated, the solar panel T connector has strong aging resistance and UV resistance.