Illuminate your tree lot with these 100 ft long, weather resistant 120 volt light cords. UL listed and CE certified, cords have weather resistant sockets every 10 feet that will accommodate up to a 150 watt bulb (do not exceed total wattage on string), complete with plastic cage bulb protectors. Each 100 ft. cord will illuminate approximately 1500 sq. ft., depending on configuration. 14 gauge wire.