{"product_id":"18-10-100ft-thermostat-doorbell-hvac-control-cable-solid-copper","title":"18\/10 100Ft Thermostat Doorbell HVAC Control Cable - Solid Copper","description":"\u003cp\u003eIn this review of the 18\/10 100ft thermostat cable the author examines who will benefit and why the cable stands out. This product is for homeowners, HVAC contractors, and DIYers who need a dependable low voltage connection between thermostats and HVAC equipment; the single biggest reason to buy is the use of 100% solid copper conductors made in the USA, which deliver consistent signal and power transmission for control circuits. The review focuses on real-world installation, electrical conductivity, and whether the cable holds up under typical residential and light commercial use.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Manufactured in New York, the cable carries the advantage of domestic quality control and consistent assembly that many installers prefer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh conductivity:\u003c\/strong\u003e Each conductor is premium solid copper, providing reliable low voltage conduction for thermostats and control circuits without the conductivity losses seen in cheaper stranded alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The cable is built to withstand typical installation stresses and maintain a long-lasting connection when routed through walls and junction boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple applications:\u003c\/strong\u003e Designed for thermostat, doorbell, HVAC and heating control uses, the cable supports signal transmission between control devices and equipment in residential and commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCL2 ETL listed:\u003c\/strong\u003e Rated for low voltage use in in-wall applications, which simplifies code compliance for many projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime warranty:\u003c\/strong\u003e Backed by a warranty that covers defects and satisfaction for the usable life of the product, offering installers additional confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis cable is well suited to HVAC technicians, electricians, and experienced DIY homeowners who need a reliable, in-wall rated thermostat or control cable with solid copper conductors. It is a practical choice when signal fidelity matters, such as when installing smart thermostats or running control circuits in older homes.\u003c\/p\u003e\u003cp\u003eUsers who need heavy-duty mechanical protection, specialty jacketing, or bespoke conductor counts should compare alternatives; the product is aimed at standard low voltage control runs rather than rugged outdoor or burial applications.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSolid copper conductors offer improved conductivity and reliable signal performance.\u003c\/li\u003e\n\u003cli\u003eMade in the USA with consistent manufacturing and CL2 ETL listing for in-wall low voltage use.\u003c\/li\u003e\n\u003cli\u003eSuitable for a wide range of low voltage control applications including thermostats, doorbells and HVAC.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome customers reported the cable feels relatively fragile during handling, so careful routing is recommended.\u003c\/li\u003e\n\u003cli\u003eThe product is focused on standard low voltage installations and may not meet needs for specialized outdoor or armored runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor\u003c\/td\u003e\n\u003ctd\u003e100% solid copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e18\/10, multiple conductors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e100 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListing\u003c\/td\u003e\n\u003ctd\u003eCL2 ETL listed for low voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary use\u003c\/td\u003e\n\u003ctd\u003eThermostat, doorbell, HVAC control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of manufacture\u003c\/td\u003e\n\u003ctd\u003eMade in USA (New York)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 18\/10 100ft thermostat cable is a solid choice for homeowners and professionals who need an in-wall rated control cable with true solid copper conductors and reliable conductivity. It provides good value for typical HVAC and thermostat installs, backed by domestic manufacturing and a lifetime warranty, though careful handling during installation will help avoid the occasional fragility noted by users.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this cable suitable for smart thermostats?\u003c\/strong\u003e\u003cbr\u003eYes. The solid copper conductors and CL2 listing make it suitable for smart thermostat signal and power connections in typical residential installs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this be used outdoors or buried?\u003c\/strong\u003e\u003cbr\u003eNo. The product is intended for low voltage in-wall and indoor control runs; for outdoor or buried runs choose cable rated for those conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does the lifetime warranty cover?\u003c\/strong\u003e\u003cbr\u003eThe lifetime warranty covers manufacturing defects and satisfaction for the usable life of the cable; check the manufacturer's terms for full details.\u003c\/p\u003e","brand":"NATIONAL Wire\u0026Cable","offers":[{"title":"Default Title","offer_id":48192097616091,"sku":"B0CSPSD6MR","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51PJvn1kDQL._SL1500.jpg?v=1770297706","url":"https:\/\/gearmusthave.com\/products\/18-10-100ft-thermostat-doorbell-hvac-control-cable-solid-copper","provider":"GearMustHave","version":"1.0","type":"link"}