Intelligent Heat Tape for Water Pipe Freeze Protection - with Glowcap™, Built-In Thermostat, Tape Included, 10 YR Warranty, Heavy-Duty, Self-Regulating, 120V (60 Ft)CABLE WILL NOT WORK unless the integrated thermostat is exposed to ambient temperatures below 37F. Please test cable with ice pack before installing. USES: Use on all types of water carrying pipe including copper, steel, PVC, ABS, PEX and more; not for use outdoors or inside pipes. Buy Heat Tape Pro for outdoor applications! AMERICAN COMPANY: You betcha! Knowledgeable, friendly Minnesotans are ready to help with your installation questions. HEAVY