Non Regulated Heating Cable Mounting Location Dry Cable Length 180 ft. Max Circuit Length 300 ft. Voltage 120 3 Watts per Foot @ 40F 0.025 Amps per Foot @ 40F 540 Watts per Cable @ 40F 4.5 Amps per Cable @ 40F 540 Watts On Metal 540 Watts On Plastic Number of Conductors 2 Plug Type NEMA 5-15 Features 22-28 AWG/Solid Conductor FEP Insulation AL Foil PVDF Sleeve For Use With Thermostat Standards cULus