WinterGard self-regulating heating cable reel, 120 V, 3 W/ft at 40°F, 250 ft 

RAYCHEM WinterGard heat trace cable is a professional-grade, 3-watt/foot, self-regulating electrical cable that can be used for pipe freeze protection on small pipes. The heating cable is constructed of nickel-copper bus wires, a self-regulating conductive core, an insulating jacket and a tinned-copper braid. The benefits of using WinterGard self-regulating are many; it can be overlapped, cut to length, will not burn out and saves energy. The RAYCHEM WinterGard pipe freeze protection system is UL Listed and CSA Certified for use in non hazardous areas.