Class-2 Thermostat Wire, 2 Conductors, 18 AWG Conductor, Annealed Bare Copper Conductor, Cable Dimensions: 0.132 IN, Voltage Rating: 150V AC, Resistance Rating: 6.32 Ohm/1000 FT at 20 Deg C, Temperature Rating: -20 - 60 Deg C, Polypropylene Insulation, PVC Jacket, White, (Conductor Colors - Red, White), 250 FT Length, Solid Wire Cut, 0.006 IN Thick Insulation, 0.014 IN Jacket Thick, Weight: 16 lb/MFT, Packaging: Spool, Standards/Approvals: NEC, ETL, UL Standard 13, Article 725, RoHS Compliant, OSHA Acceptable, Application: For Use With Heating and Air Conditioning Equipment, Doorbells, As Well As Other Low-Voltage Applications