, 5 Conductor, dry Copper Thermostat Wire, Class 2 Power-Limited Circuit Cable, Brown Jacket. Southwire Thermostat Wire is using dry copper conductors with 6 mils of polyvinyl chloride PVC insulation. The two conductor cable flat-multiconductor cables are moon-round. Southwire 's Thermostat Wire a class 2 power-limited circuit cable for use in heating and air conditioning controls bell and alarm systems. Southwire 's thermostat cable to the following specifications : Class 2 - Power restricted per NEC Article 725, MP - Multi Purpose Cable per Articles 725, 760, and 800, CM-Communication Cable per Article 800, FPL-Power restricted Fire contraceptive Signaling Cable per Article 760, Sunlight Resistant, PVC Insulation, and dry spare Copper per UL stock 13, RoHS Compliant, OSHA Acceptable. Southwire a chock-full line of products, in both copper and aluminum, for a countrywide range of applications. The company the industry in newborn and advanced products that help simplify installation, saving time and money. In addition to its stock product line, Southwire can also custom products offering its customers the most all line of products for almost any requirement or situation. No matter what the residential, mercantile, or business enterprise application requires, you look no farther. Southwire just the right-handed wire and cable product you 're looking for.