Warmup Self-Regulated cable, 120V, 8/12 Watts per linear foot. Sold in 500-foot spools.Self regulating cables for the roof and gutter heating, melt snow and ice, to keep a drain path for water to flow freely away from the house. Designed to keep pipes and gutters free of snow, our self regulating outdoor heaters give you peace of mind knowing that your home or business is protected from the potential damage caused by ice build up and frost. Key Benefits: Keep roofs and gutters ice and snow free: The self regulating cable will adjust its