Specification Brand : YDDECW BulletPoint1 : [About Our Thermostat Cable] - 18 Gauge 4 Conductor , CL2, ETL Complied, temperature Rating: -20°C~ +60°C, voltage Rating: 150. BulletPoint2 : [Well Built Structure] - The inner conductor of this Thermostat Cable is made of solid pure copper, the insulator is made of premium PVC, it could be better in resist oxidation and corrosion, provides maximum conductivity. BulletPoint3 : [WATERPROOF]: The jacket material of Thermostat wire cable is made of high-quality PVC, which is waterproof and durable, can be used in harsh outdoor environments, flexible and durable, with a smooth surface and easy to use. BulletPoint4 : [Applications] - Our thermostat wire is used for thermostat control, heating and A/C installations, annunciator systems, doorbells ,ouch-plate systems, door bells, remote controls, signal systems and other low-voltage applications. BulletPoint5 : [Worry-free Purchase] - We are a company specializing in manufacturing wires, our wires have been strictly tested, meet various grade standards, long life use, if there is any problem with the thermostat wire, we will solve your problem within 12 hours. Color : 18/4 ItemName : YDDECW Thermostat Wire - 18/4 20FT Solid Copper 18 Gauge 4 Conductor Power Circuit Cable for Heating & air Conditioning Equipment, doorbells and Other Indoor/Outdoor Low Voltage Applications Use ItemPackageDimensions_Height : 27.5082 centimeters ItemPackageDimensions_Length : 4.2926 centimeters ItemPackageDimensions_Width : 24.1046 centimeters ItemTypeKeyword : electrical-wires Manufacturer : YDDECW Material : Copper NumberOfWires : 4 PartNumber : 18/4-20FT-TW ProductSiteLaunchDate : 2023-07-10T03:42:34.234Z Size : 20FT Strands : Multi Strand SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 20 UnspscCode : 26121600 Voltage : 150 volts