{"product_id":"syston-18-awg-thermostat-cable-300v-cl3r-solid-copper-wire","title":"Syston 18 AWG Thermostat Cable 300V CL3R - Solid Copper Wire","description":"\u003cp\u003eIn this review of the Syston 18 AWG Thermostat Cable the bottom line is simple: this wire is aimed at homeowners, installers, and hobbyists who need a dependable, easy-to-run low-voltage cable for thermostats, doorbells and control circuits. The reviewer found the single biggest reason to buy is its \u003cstrong\u003esolid pure copper conductors\u003c\/strong\u003e, which deliver predictable conductivity and easy termination compared with stranded alternatives. Practical, sunlight-resistant jacketing and a 300V CL3R rating mean this cable suits both indoor and outdoor low-voltage runs where a reliable conductor is the priority.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Works for thermostat controls, HVAC, doorbells, intercoms and other low-voltage systems, so one cable covers many household needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Copper Conductors:\u003c\/strong\u003e Solid copper cores provide consistent conductivity for sensors and control signals, reducing the chance of intermittent connection compared with poorer alloys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300V CL3R Rating:\u003c\/strong\u003e Class 3 power-limited 300V insulation offers a higher safety margin for low-voltage circuits used in thermostats and security equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation-Friendly Jacket:\u003c\/strong\u003e The round, slick jacket and smooth edges make the cable easy to pull through walls and conduit with less snags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunlight Resistant and RoHS:\u003c\/strong\u003e UV resistance and RoHS compliance allow outdoor routing and meet environmental material standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis cable is best for HVAC technicians, DIY installers, and homeowners replacing thermostat or doorbell wiring who want a reliable solid-conductor wire that is straightforward to strip and terminate. It is also a practical choice for low-voltage signal and alarm lines where a single-conductor run is acceptable.\u003c\/p\u003e\u003cp\u003eThose who need highly flexible multi-strand cable for frequent movement, or installations that explicitly require stranded conductors for vibration tolerance, should look at stranded alternatives. Also, if a specific jacket color or pre-terminated assembly is required, a different product may be a better match.\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 give dependable conductivity and easy termination for thermostats and doorbells.\u003c\/li\u003e\n\u003cli\u003e300V CL3R\/FT4\/CMR riser-rated insulation provides enhanced safety for low-voltage circuits.\u003c\/li\u003e\n\u003cli\u003eSunlight resistant jacket lets the cable be used in outdoor runs where UV exposure is a concern.\u003c\/li\u003e\n\u003cli\u003eSmooth, round jacket and rip cord speed up pulling and jacket removal during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSolid 18 AWG construction is less flexible than stranded wire and may be harder to route in tight, moving assemblies.\u003c\/li\u003e\n\u003cli\u003eSome users report the insulation feels delicate during handling, so care is advised when pulling through rough openings.\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\u003eGauge\u003c\/td\u003e\n\u003ctd\u003e18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e300V (CL3R \/ Class 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatings\u003c\/td\u003e\n\u003ctd\u003eCL3R \/ FT4 \/ CMR riser-rated, UL\/ETL listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Use\u003c\/td\u003e\n\u003ctd\u003eSunlight resistant jacket, UV resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eRound slick jacket with rip cord for easy stripping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Syston 18 AWG thermostat cable is a practical, cost-conscious choice for anyone wiring thermostats, doorbells, or low-voltage control systems who prioritizes conductivity and a clean installation. Its solid copper cores, 300V CL3R rating and UV-resistant jacket make it good value for most fixed residential and light commercial runs, while installers who need flexibility may prefer a stranded option.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this cable be used outdoors?\u003c\/strong\u003e\u003cbr\u003eYes. The jacket is sunlight resistant and meets UL 1581 sunlight resistance requirements for outdoor low-voltage installations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this cable easy to strip and terminate?\u003c\/strong\u003e\u003cbr\u003eYes. The reviewer found the round slick jacket and rip cord simplified stripping, and the solid 18 AWG copper cores strip cleanly with an 18-gauge wire stripper.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this cable suitable for HVAC thermostat power?\u003c\/strong\u003e\u003cbr\u003eYes. The 300V CL3R rating and solid copper conductors are appropriate for thermostat control wiring and similar low-voltage power-limited circuits.\u003c\/p\u003e","brand":"Syston Cable Technology","offers":[{"title":"Default Title","offer_id":48201782395099,"sku":"B0F4QYG32Q","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61CwXaxvKwL._SL1500_266a34f2-5086-4e67-9dc5-5688a9b1c46f.jpg?v=1769793680","url":"https:\/\/gearmusthave.com\/products\/syston-18-awg-thermostat-cable-300v-cl3r-solid-copper-wire","provider":"GearMustHave","version":"1.0","type":"link"}