Electric Heating Cable Cable Type Self-Regulating Cable Length 250 ft Indoor Only NEMA Plug Configuration Hardwired 3 W Watts per Foot @ 40F Voltage 120V AC Includes Cable Only 3 W Watts per Cable @ 40F 0.03 A Amps per Cable @ 40F 0.03 A Amps per Foot @ 40F Cable Cover Material Tinned-Coated Copper Cable Material Conductive Carbon Frequency 50 Hz Max Circuit Length 250 ft Max Operating Temp 150 Degrees F Min Operating Temp -40 Degrees F Number of Conductors 2