Thermostat Wire, Solid, 4 Conductors, #20 Awg Conductor Size, 150 V, 250 FT Overall Length, 0.132 In Outside Diameter, 0.006 In Insulation Thickness, Copper Conductor Material, Polypropylene Insulation Material, Red;White;Green;Blue, -20 °C Operating Temperature, +60 °C Operating Temperature, 16 LB/MFT