Power Grip™ Dogbone Black/Yellow Copper 50A Male to 50A Female Straight F-Locking Adapter (55552) by Camco®. The Camco Heavy-Duty PowerGrip Adapter (50-Amp Male/50-Amp Locking Female, 18") is designed to allow you to connect your 50-amp RV power inlet to a standard power source. Extremely flexible in design, the cord is coated with a heavy-duty flame retardant, heat-resistant PVC sheath that serves as protection from the outdoor elements, wears and tear. A hassle-free PowerGrip handle helps assist in gripping, plugging and unplugging without straining or damaging the adapter. It features a 50-amp male and a 50-amp locking female end. Rated for 125 volts/3750 watts and constructed with 100% copper, 10/3-gauge wires for superior conductivity. A threaded locking ring creates a weatherproof connection, ensuring further moisture protection during outdoor use.