15a Male to 30a Female RV Camper Power Electrical Adapter Amp DogBone Converter 100% Copper Heavy Duty 15 Amp Male to 30 Amp Female Dogbone RV Adapter Cord Cable length is 12 Inches for a nice fitting connection; Perfect for RVs and Campers Made from High End 100% Pure Copper; Cable is STW rated cable (Service Grade, Thermoplastic, Outdoor Rated) to Resist Wetness and Sunlight Heavy Duty Insulated cables that can withstand the harshest weather conditions and stay flexible even in cold weather! Made Durable; Wires are DOUBLE coated with a thick rubber-like insulation, offering kink-free flexibility