{"product_id":"18-awg-4-conductor-thermostat-doorbell-cable-300v-cl3r-uv","title":"18 AWG 4-Conductor Thermostat Doorbell Cable - 300V CL3R UV","description":"\u003cp\u003eIn this review the Syston 18\/4 thermostat cable is evaluated for homeowners, installers, and DIYers who need a reliable low-voltage conductor for thermostats, doorbells and signal systems. The bottom line: this cable's single biggest selling point is its solid pure copper conductors combined with a 300V CL3 rating, which together deliver dependable conductivity and safety margin for equipment like HVAC thermostats, Ring-style doorbells and intercoms. For anyone replacing old wiring or wiring new controls, the cable balances performance, ease of installation and outdoor durability.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Suitable for wiring thermostat controls, heating and air conditioning equipment, doorbells and a variety of low-voltage signal systems so one cable covers many common tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Copper Conductors:\u003c\/strong\u003e Solid 18 AWG pure copper conductors provide maximum conductivity and stable connections for control and signal lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300V CL3 Rating:\u003c\/strong\u003e The CL3R\/FT4\/CMR riser-rated construction and 300V rating give extra insulation and a higher safety margin for low-voltage installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation-Friendly Jacket:\u003c\/strong\u003e A round slick jacket, smooth edges and a rip cord make pulling and stripping the cable easier and faster on tight runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunlight Resistant and RoHS Compliant:\u003c\/strong\u003e UV-resistant jacket meets sunlight resistance requirements for outdoor use and the product is RoHS compliant for safer disposal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is best for electricians, HVAC technicians, and homeowners doing thermostat replacements, security or doorbell wiring who want a robust, 18 AWG solid copper option with a clear CL3 rating for peace of mind. Its ease of pulling and rip cord make it a practical choice for retrofit work and longer runs through walls or riser spaces.\u003c\/p\u003e\n\u003cp\u003eThose who need stranded cable for highly-flexible connections or exotic specialty jackets should look elsewhere; this product is a solid-conductor, fixed routing cable intended for low-voltage control and signal applications rather than portable or frequently flexed installations.\u003c\/p\u003e\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 pure copper conductors deliver consistent conductivity and reliable performance for thermostats and cameras.\u003c\/li\u003e\n\u003cli\u003e300V CL3R\/CMR riser-rated insulation offers a strong safety margin for low-voltage systems.\u003c\/li\u003e\n\u003cli\u003eInstallation-friendly round jacket and rip cord simplify pulling and stripping on common jobs.\u003c\/li\u003e\n\u003cli\u003eSunlight resistant and RoHS compliant for both outdoor use and environmental safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report the insulation can feel delicate during handling, so care is needed when routing sharp corners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor\u003c\/td\u003e\n\u003ctd\u003e18 AWG solid pure copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductors\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e300V (CL3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJacket\u003c\/td\u003e\n\u003ctd\u003eRound, slick UV-resistant jacket with rip cord\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Ratings\u003c\/td\u003e\n\u003ctd\u003eCL3R \/ FT4 \/ CMR riser-rated, RoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eThermostats, doorbells, alarms, intercoms, signal systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Syston 18\/4 thermostat cable is a pragmatic choice for anyone wiring thermostats, doorbells or low-voltage control systems who values solid copper conductors and a 300V CL3 rating. It offers solid performance, easier installation and outdoor capability at a sensible price, making it a good value for typical home and light commercial wiring projects.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this cable be used outdoors?\u003c\/strong\u003e\u003cbr\u003eYes, the jacket is sunlight resistant and suitable for outdoor installations where the cable is not directly exposed to continuous physical abrasion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the conductor stranded or solid?\u003c\/strong\u003e\u003cbr\u003eThe cable uses solid pure copper conductors, which are best for fixed routing in walls and control runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work for a smart doorbell or camera?\u003c\/strong\u003e\u003cbr\u003eYes, the 18 AWG solid copper conductors and 300V CL3 rating make it appropriate for powering and signaling most doorbells and low-voltage cameras when used according to device requirements.\u003c\/p\u003e","brand":"SYSTON CABLE TECHNOLOGY","offers":[{"title":"Default Title","offer_id":48232329216219,"sku":"B0F2F65WXJ","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/611UzQmx62L._SL1500.jpg?v=1770819850","url":"https:\/\/gearmusthave.com\/products\/18-awg-4-conductor-thermostat-doorbell-cable-300v-cl3r-uv","provider":"GearMustHave","version":"1.0","type":"link"}