Yellow Jacket 3-Outlet 12/3 50 ft. SJTW premium Lighted End Extension Cord is one of the toughest thermoplastic cords on the jobsite. It is more flexible and abrasion resistant at any temperature than standard vinyl compounds. The heavy-duty clear, molded PowerLite indicator plus glows when the cord has power. Solid molded power block stands up to heat, cold and rough use on job site. Recommended for use with heavy duty equipment and tools.