Rated for 300 volt, grounded. Manufactured with copper conductors and solid molded plugs and two layers of insulation, one around each conductor and a second outer jacket that won’t mark floors or walls and resists deterioration from moisture and abrasion. UL, cULus Listed, meets OSHA specifications. Sleeved. OUTDOOR – 3 CONDUCTOR ROUND VINYL 12/3 SJTW – 13 AMP – 125 VOLT Lgth Ft: 100 Color: Yellow Flame retardant, abrasion and water resistant, ultra flexible Nickel-coated brass blades resist corrosion