{"product_id":"18-4-500ft-thermostat-wire-solid-copper-18-gauge-durable-low-voltage","title":"18\/4 500ft Thermostat Wire Solid Copper 18 Gauge - Durable Low-Voltage","description":"\u003cp\u003eIn this review of the 18\/4 500ft thermostat wire, the bottom line is straightforward: homeowners and installers who need a long run of reliable, low-voltage conductor should consider this cable. The reviewer found it especially useful for thermostat control, heating and A\/C installations, and common signal systems because of its solid copper conductors and a tough PVC jacket that resists heat, moisture and sunlight. For projects that require a CL2-rated product for indoor or limited outdoor runs, this cable delivers consistent electrical performance and easy handling.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid copper 18 gauge:\u003c\/strong\u003e Provides stable conductivity for thermostats and low-voltage control circuits without the loss risk associated with cheaper alloys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 ft spool length:\u003c\/strong\u003e Gives ample cable for multiple runs or long-distance routing so installers can complete jobs without frequent splicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETL CL2 listed:\u003c\/strong\u003e Meets power-limited circuit safety standards for indoor and sheltered outdoor installations where CL2 is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVC insulation and jacket:\u003c\/strong\u003e Heat, moisture and sunlight resistance extend service life in typical residential and light commercial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-to-strip jacket:\u003c\/strong\u003e The outer jacket resists tearing yet strips cleaner, reducing burn-through and saving time during termination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e150V rating and wide temperature range:\u003c\/strong\u003e Rated to 150V and -20C to +60C for common low-voltage HVAC and alarm system requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable suits HVAC technicians, electricians doing control wiring, and DIY homeowners installing thermostats, doorbells, intercoms, or burglar alarm sensors. The 18\/4 configuration is a common choice for systems that need multiple conductors, and the 500 ft length is practical for larger homes or multi-zone installations.\u003c\/p\u003e\n\u003cp\u003eThose who need armored cable, direct-burial rated wire, or extremely high-voltage or wet-location wiring should look elsewhere, since this product is a CL2 power-limited cable with PVC jacket intended for typical indoor and sheltered outdoor uses rather than harsh underground or conduit-free exterior burial.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid copper conductors deliver reliable electrical continuity for control and signal circuits.\u003c\/li\u003e\n\u003cli\u003eDurable PVC jacket resists heat, moisture and sunlight, which reviewers noted as a tough outer cover.\u003c\/li\u003e\n\u003cli\u003eLong 500 ft length reduces the need to join multiple spools on larger installs.\u003c\/li\u003e\n\u003cli\u003eETL CL2 listing gives confidence for power-limited circuit installations in homes and light commercial jobs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe cable is not intended for direct burial or unrestricted outdoor exposure, so additional protection is needed for those applications.\u003c\/li\u003e\n\u003cli\u003eSolid conductors are less flexible than stranded cable, which can make routing in tight conduit more challenging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor\u003c\/td\u003e\n\u003ctd\u003eSolid copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGauge\u003c\/td\u003e\n\u003ctd\u003e18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e18\/4 (four conductors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e500 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRating\u003c\/td\u003e\n\u003ctd\u003eETL CL2, 150V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-20C to +60C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJacket\u003c\/td\u003e\n\u003ctd\u003eHeat, moisture and sunlight resistant PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 18\/4 500 ft thermostat wire is a practical, cost-effective choice for HVAC technicians and homeowners who need reliable low-voltage runs with a durable jacket and CL2 listing. It offers good value when you need solid copper conductors and long spool length, though installers should protect it for direct-burial or fully exposed outdoor applications.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003eIt is suitable for sheltered outdoor installations and resists sunlight and moisture but is not rated for direct burial or long-term unprotected exposure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this wire for thermostat and alarm systems?\u003c\/strong\u003e\u003cbr\u003eYes, the 18\/4 solid copper conductors and CL2 rating make it appropriate for thermostat control, burglar alarms, intercoms and similar low-voltage systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow easy is it to strip and terminate?\u003c\/strong\u003e\u003cbr\u003eThe PVC jacket resists tearing yet strips cleaner than some alternatives, reducing burn-through and making terminations quicker for installers.\u003c\/p\u003e","brand":"eastwire","offers":[{"title":"Default Title","offer_id":48631657824475,"sku":"B0CQD3737R","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71--bClNScL._SL1500.jpg?v=1778467074","url":"https:\/\/gearmusthave.com\/products\/18-4-500ft-thermostat-wire-solid-copper-18-gauge-durable-low-voltage","provider":"GearMustHave","version":"1.0","type":"link"}