TruePower 6/3+8/1 RV Power Cord 25 foot 50 amp"Life Line" with Loose End, ETL Certified Heavy duty solid copper wire AWG #6(3) #8(1). ETL Certified Cable is rated STW (Service Grade, Thermoplastic, and Ourdoor rated) to resist wetness and sunlight 4 conductors 50A NEMA 14-50P straight blade male plug body with grounding pin 25 foot in length Wires are Double coated with a thick rubber-like insulation, offering kink-free flexibility. Cables are flexible even in cold weather.