300 Volt HD Polar Solar Extension Cords - Yellow 50 ft., 10/3 gauge, 300V rating. Coleman's T-Prene insulated all-weather, all-condition cordage is UL listed for outdoor use, meets OSHA requirements, maintains total flexibility to 7-700 C. Won't crack, peel, flake, or bake out in the most bitter arctic cold. Rugged T-Prene insulation shrugs off oil, grease, acids, solvents and offers outstanding resistance to abrasion, ozone and other on-the-job hazards. Weighs 1/3 less than ordinary cordage.