GenTran RJBC6364 50-Amp 4-Wire Female Generator Power Cord Connector (Discontinued by Manufacturer) 50 Amp 4-wire female generator power cord connector for GenTran transfer switch no 501210 and inlet box no 63652 Fits into power stay manual transfer switch Designed for generators up to 12500-watt Twist-lock connector configuration Ul listed; 2 years limited warranty