Thermostat Wire, Solid, 2 Conductors, #20 AWG Conductor Size, 150 V, 500 ft Overall Length, 0.114 in Outside Diameter, 0.006 in Insulation Thickness, Copper Conductor Material, Polyethylene (XLPE) Insulation Material, Red;White, -20 °C Operating Temperature, +60 °C Operating Temperature, 9 lb/mft