BF50 50 AMP Female ConnectorThe 50 AMP 125V250 V connector has been designed to be used with 3-wires 125 V or 4-wires 250 V in a single connector. This retro-fit connector offers superior performance and ease of use. The SmartPlug connector is designed to use your current cordset. You simply cut off the cord plug on your RVBoat 50 AMP cord. The connector has mechanical cord restraint, color coded wire guides, a water resistant cord seal and spring loaded side levers that automatically lock into