Southwire® Thermostat Cable, 150 V, 8 Conductors, Bare Copper Conductor, Solid Conductor, 18 AWG Conductor, 0.205 in Outside Diameter, 250 ft Length, 0.005 in Insulation Thickness, 0.018 in Jacket Thickness, Solid, 6.52 Ohm/1000 ft Resistance, 22.8 pF/ft, Polypropylene Insulation, PVC Jacket, Brown Jacket, Additional Information: General Purpose Rated