{"product_id":"18-awg-8-conductor-plenum-shielded-control-cable-300v-cl3p","title":"18 AWG 8-Conductor Plenum Shielded Control Cable - 300V CL3P","description":"\u003cp\u003eIn this review the reviewer looks at a plenum-rated control cable built for low-voltage systems and finds it best suited for installers and building technicians who need reliable signal integrity in air-handling spaces. The bottom line: this 18 AWG, 8-conductor shielded cable is worth considering when you need \u003cstrong\u003eplenum-rated\u003c\/strong\u003e safety plus proven \u003cstrong\u003eshielding performance\u003c\/strong\u003e for fire alarm, security, or intercom installations. Its combination of stranded bare copper conductors and aluminum foil shield addresses common concerns about conductivity and interference without adding unnecessary bulk.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlenum Rated CMP\/CL3P:\u003c\/strong\u003e Designed for use in building plenums and ceiling air spaces, the flame retardant construction provides higher safety than standard commercial cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStranded Bare Copper Conductors:\u003c\/strong\u003e The 18 AWG stranded 100% copper conductors deliver dependable conductivity and flexibility for routing through conduits and tight spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Foil Shielding:\u003c\/strong\u003e A continuous foil shield reduces electromagnetic interference, keeping signals clear for sensitive communications and alarm circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300V CL3 Rating:\u003c\/strong\u003e With a 300V insulation rating and class 3 power-limited compliance, the cable is suitable for thermostats, security panels, and other low-voltage applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV Resistant Construction:\u003c\/strong\u003e The outer jacket resists UV exposure for installations where sunlight or UV light is a concern during storage or routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is aimed at professional installers, building contractors, and facilities managers who must run \u003cstrong\u003efire alarm\u003c\/strong\u003e and security wiring through plenum spaces while meeting stricter fire safety codes. It is also a good choice for AV technicians and integrators who want shielded control runs for intercoms, public address, and access control systems.\u003c\/p\u003e\n\u003cp\u003eDIY homeowners or hobbyists who only need a short run for non-plenum home projects may find this cable thicker and higher spec than required; in those cases a standard CMR or CM rated cable could be more cost effective.\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\u003eHigh flame-retardant CMP rating suitable for plenum spaces and strict building codes.\u003c\/li\u003e\n\u003cli\u003eGood shielding that customers reported keeps signals clean and reduces interference.\u003c\/li\u003e\n\u003cli\u003eStranded copper conductors provide flexibility and reliable conductivity for control circuits.\u003c\/li\u003e\n\u003cli\u003eVersatile for many \u003cstrong\u003elow-voltage applications\u003c\/strong\u003e including security and nurse call systems.\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 note the cable can feel thin compared with heavier gauge multi-conductor cables, which may matter for mechanical durability in exposed runs.\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\u003e18 AWG stranded 100% bare copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductors\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShielding\u003c\/td\u003e\n\u003ctd\u003eAluminum foil continuous shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRating\u003c\/td\u003e\n\u003ctd\u003eCMP \/ CL3P \/ FT6 (Plenum Rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e300V (CL3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eFire alarm, security, PA, intercom, access control, instrumentation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis 18 AWG 8-conductor plenum cable is a practical, code-conscious choice for professionals running control and communications wiring in ceiling plenums and other air-handling spaces. It combines reliable \u003cstrong\u003ecopper conductors\u003c\/strong\u003e, continuous shielding, and a high safety rating to deliver good value for security, alarm, and AV installations where signal integrity and fire safety matter.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable suitable for plenum installations?\u003c\/strong\u003e\u003cbr\u003eYes. It carries a CMP\/CL3P\/FT6 plenum flame-retardant rating intended for air-handling spaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this cable be used for alarm and access control systems?\u003c\/strong\u003e\u003cbr\u003eYes. The 18 AWG stranded copper conductors and 300V CL3 rating make it suitable for fire alarm, burglar alarm, and access control power-limited circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the shielding prevent interference?\u003c\/strong\u003e\u003cbr\u003eThe aluminum foil shield helps block EMI and maintain clear signal transmission for sensitive communications and low-voltage data lines.\u003c\/p\u003e","brand":"Syston Cable Technology","offers":[{"title":"Default Title","offer_id":48252887138523,"sku":"B0DHXF1RTF","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/614pQUX4wzL._SL1500_428b20ed-e478-470b-acd6-8c274d819429.jpg?v=1778281457","url":"https:\/\/gearmusthave.com\/products\/18-awg-8-conductor-plenum-shielded-control-cable-300v-cl3p","provider":"GearMustHave","version":"1.0","type":"link"}