unmelted water pipes to -- 50F. Simply on, insulate and plug in. for use on metal and nonmoving impressionable pipes. an report Press-To-Test button so you can test the cable before installing. A intrinsic thermostat the cable on at 38F. Proven low-wattage design up to 65 percent less energy at 2 watts a foot vs. past cables at 7 watts a foot, and protects to -- 50F. An report power ethics glows when the thermostat is restricted. Each package one ready-to-install pipe heating cable along with installation instructions. To install, you will also need PVC/electrical tape, fiberglass pipe, a tape measure and eye protection. : This cable has been designed for the fix purpose of preventing metal and nonmoving impressionable water filled lines from phase transition. DO NOT this product on fuel lines, drain lines, hoses or buried pipes. Fiberglass pipe wrap is to fill the installation. and follow all instructions. Cables are in different lengths. chart to determine the length required for your application.