Raychem WinterGard Wet heat trace cable is a professional-grade, 6-watt/foot, self-regulating electric heating cable designed to provide pipe freeze protection and roof and gutter de-icing for residential and light commercial locations. The electric heating cable is constructed of nickel-copper bus wires, a self-regulating conductive core, an insulating jacket, a tinned-copper braid and an outer polyolefin jacket.