Dogbone RV Camper Adapter (15 Amp Male to 30 Amp Female) Cord - 12 inch length. This premium, commercial grade Dogbone RV Adapter uses the highest quality copper wire for great conductivity. Cable length is 12 Inches for a nice fitting connection. Made from high end, pure 100% copper. Cable is rated STW (Service Grade, Thermoplastic, and Outdoor rated) to resist wetness and sunlight. Wires are DOUBLE coated with a thick rubber-like insulation, offering kink-free flexibility - Cables are flexible even in cold weather. Weather resistant: will not be affected by weather temperature variations. One Year Guarantee against workmanship and defects.