Delta-Therm one and two conductor Mineral Insulated (M.I.) snow melt cable assemblies with HDPE overjacket are moisture-proof and come with patented factory termination. They are UL Listed and CSA Certified for embedding outdoors in concrete, asphalt and sand beds. These cable assemblies keep snow and ice from metal pan stairs, bridge decks, hangar door rails, tire tracks, heli pads, and provide comfort for zoo den inhabitants. Delta-Therm M.I. cable is fire- and corrosionresistant, and comes fully tested and ready to install.