UL listed, 25 foot, extra thick 12/3 SJTW , heavy duty contractor grade For both Indoor/outdoor use, grounded plug and outlet, require 15 amp or Less Electrical rating: 15A/125V/1875W Tough, flexible and lightweight. Moisture resistant molded, designed for rugged outdoor use Can handle everything from power equipment to everyday appliances The heavy duty 12 gauge wire can handle everything from power equipment to everyday appliances. And the cord's 25 foot length gives you great reach across your garden or home. Good for both Indoor outdoor use.