{"product_id":"syston-18-4-shielded-fire-security-alarm-cable-riser-rated","title":"SYSTON 18\/4 Shielded Fire Security Alarm Cable - Riser Rated","description":"\u003cp\u003eIn this review of the SYSTON 18\/4 Shielded Fire Security Alarm Cable the bottom line is clear: this cable is aimed at installers and facility managers who need a dependable, riser-rated low-voltage cable for fire and security systems. Our review finds the strongest reason to buy is the combination of solid pure copper conductors and a CMR\/CL3R flame-retardant jacket, which together deliver reliable conductivity and safer vertical building runs. It is a practical choice where shielding and 300V CL3 power-limited classification are required.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Covers fire alarm, security burglar alarm, public address, intercoms and other power-limited low-voltage circuits for versatile system wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Copper Conductors:\u003c\/strong\u003e Solid pure copper conductors provide strong conductivity and reduced voltage drop for sensitive alarm and communication signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300V CL3 Rating:\u003c\/strong\u003e Rated as a 300V Class-3 power-limited circuit cable, suitable for installations that require CL3\/CL3R specification compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCMR Riser-Rated Jacket:\u003c\/strong\u003e The CMR\/CL3R\/FPLR flame-retardant jacket is designed for riser applications, making vertical runs between floors safer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielded Design:\u003c\/strong\u003e Shielding around the conductors helps reduce interference and maintain signal integrity in communication and alarm lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation-Friendly:\u003c\/strong\u003e A round slick jacket with smooth edges and an internal rip cord makes pulling and jacket removal faster during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is best suited to professional electricians, low-voltage installers and facilities technicians wiring fire alarm systems, access control, nurse call and security burglar alarms where a riser-rated, shielded CL3 cable is required. The pure copper conductors and shielding also make it appropriate for sensitive communications and public address systems.\u003c\/p\u003e\n\u003cp\u003eThose needing heavy-gauge power distribution cable or outdoor direct-burial rated cable should look elsewhere; while the jacket is UV resistant and suitable for some outdoor low-voltage runs, this product is optimized for indoor and riser applications in power-limited circuits.\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 offer dependable conductivity for alarm and communication systems.\u003c\/li\u003e\n\u003cli\u003eCMR\/CL3R riser rating increases fire safety for vertical runs between floors.\u003c\/li\u003e\n\u003cli\u003eComplete shielding reduces interference, improving signal reliability in installations.\u003c\/li\u003e\n\u003cli\u003eInstallation conveniences such as a slick round jacket and rip cord speed up pulls and terminations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers note the cable feels thinner than expected for 18\/4, which may require careful handling during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor Material\u003c\/td\u003e\n\u003ctd\u003ePure copper stranded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePairs \/ Conductors\u003c\/td\u003e\n\u003ctd\u003e18\/4\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\u003eFire Rating\u003c\/td\u003e\n\u003ctd\u003eCMR \/ CL3R \/ FPLR (Riser-Rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShielding\u003c\/td\u003e\n\u003ctd\u003eShielded around conductors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJacket Features\u003c\/td\u003e\n\u003ctd\u003eRound slick jacket with rip cord, UV resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SYSTON 18\/4 Shielded Fire Security Alarm Cable is a solid, value-oriented option for professionals who need a riser-rated, shielded low-voltage cable with pure copper conductors and a 300V CL3 classification. It balances safety-minded jacket ratings with installation-friendly features, making it a strong pick for fire alarm, security and communications wiring where vertical runs and interference protection matter.\u003c\/p\u003e\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 UV resistant and can be used for some outdoor low-voltage applications, but it is primarily intended for indoor and riser installations rather than direct burial.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the cable include shielding?\u003c\/strong\u003e\u003cbr\u003eYes, the cable is shielded around the conductors to reduce interference for communications and alarm signals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for power-limited circuits?\u003c\/strong\u003e\u003cbr\u003eYes, it is rated 300V and classified as CL3 power-limited circuit cable, suitable for alarm and related low-voltage systems.\u003c\/p\u003e","brand":"Syston Cable Technology","offers":[{"title":"Default Title","offer_id":48616452554971,"sku":"B0BR8MLPC8","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61ogxP8G23L._SL1500_f2af23e0-c8fd-4692-8e3d-b45a1bae77d6.jpg?v=1778490208","url":"https:\/\/gearmusthave.com\/products\/syston-18-4-shielded-fire-security-alarm-cable-riser-rated","provider":"GearMustHave","version":"1.0","type":"link"}