parkworld brand #62176 1.5 ft. 30 Amp Generator to Transfer Switch 50 Amp Inlet Box Power Adapter (30 Amp 4-Prong Locking L14-30P plug to 50 Amp CS6364 inlet). It has a 30 Amp 125-Volt/250-Volt 4-Prong Twist Lock NEMA L14-30P male plug and a 50 Amp 125-Volt/250-Volt Twist Lock SS2-50R female connector with locking ring and locating pin (If your power inlet does not require the lock ring and locating pin, you can simply remove them). Made with 100% copper, UL and cUL Listed STW 10/4-Gauge wires for superior conductivity, the PVC jacket ensures that cable can be used in all weather conditions. This adapter is perfect for emergency power with a transfer switch, it will let you connect the 50 Amp SS2-50 power inlet to a 30 Amp generator L14-30 outlet.