Hook your marine-style 50-amp RV power inlet to a standard 30-amp power source with Camco's Power Grip 18-inch locking adapter. 90-degree heads reduce strain on the RV connection and allow easier connection in tight places. Simply lock the 50-amp head onto the power inlet of the RV and connect the 30-amp plug to a standard 30-amp power cord. The threaded locking ring helps to create a weatherproof connection. Patented. 18-inch long dogbone— 125 Volts / 3750 Watts 18-inch long dogbone— 125 Volts / 3750 Watts Locking ring helps create a weatherproof connection 90-degree heads reduce strain on connections Patented Power Grip handles makes plugging and unplugging easy