{"product_id":"syston-18-2-shielded-plenum-control-cable-cmp-cl3p-300v","title":"SYSTON 18\/2 Shielded Plenum Control Cable CMP\/CL3P - 300V","description":"\u003cp\u003eIn this review of the SYSTON 18\/2 Shielded Plenum Control Cable the bottom line is straightforward: this is a purpose-built, plenum-rated control cable for installers and facilities managers who need reliable low-voltage wiring with strong EMI protection. The reviewer found it best suited to fire alarm, security and public address runs where safety ratings and signal integrity matter most, and the single biggest reason to buy is the combination of \u003cstrong\u003eCMP plenum rating\u003c\/strong\u003e and continuous aluminum foil shielding that keeps sensitive signals clean in ceiling plenums and air-handling spaces.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlenum rated CMP:\u003c\/strong\u003e The cable carries a high flame retardant grade suitable for plenum spaces, offering safer installation in ceilings and air distribution areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStranded pure copper conductors:\u003c\/strong\u003e Stranded bare copper conductors provide dependable conductivity and flexibility for routing through tight runs and conduit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum foil shielding:\u003c\/strong\u003e A continuous foil shield reduces electromagnetic interference so alarm and communication signals remain clear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300V CL3 rating:\u003c\/strong\u003e The 300V insulation and CL3 classification match common low-voltage, power-limited circuits used in security and A\/V systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple application support:\u003c\/strong\u003e Rated for fire alarm, security, intercoms, telephone stations, access control and nurse call wiring, reducing the need for different cable types on a job.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis cable is aimed at electrical contractors, system integrators and building maintenance teams who run low-voltage control circuits in commercial or institutional buildings where plenum-rated cable is required. Its shielding and copper conductors make it a practical choice for installations near motors, fluorescent lighting or other EMI sources where signal integrity matters.\u003c\/p\u003e\u003cp\u003eIt is less relevant for DIY home runs where plenum rating is unnecessary or for high-power applications outside the cable's CL3\/300V power-limited scope. Installers who need thicker gauge power conductors or unshielded bundles for simple residential lighting may prefer alternate wiring.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePlenum CMP rating provides the highest flame retardant protection for ceiling and air-handling spaces.\u003c\/li\u003e\n\u003cli\u003eShielding delivers measurable EMI protection, keeping signals reliable in noisy environments.\u003c\/li\u003e\n\u003cli\u003eStranded 100% copper conductors offer good flexibility and conductivity for installation and long-term performance.\u003c\/li\u003e\n\u003cli\u003eVersatile for many low-voltage systems, reducing inventory complexity for professional installers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThe conductor bundle is described by some users as relatively thin, so routing over long distances may require attention to voltage drop for certain uses.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor\u003c\/td\u003e\n\u003ctd\u003eStranded bare copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePair\/Size\u003c\/td\u003e\n\u003ctd\u003e18\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShielding\u003c\/td\u003e\n\u003ctd\u003eAluminum foil shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlenum Rating\u003c\/td\u003e\n\u003ctd\u003eCMP \/ CL3P \/ FT6\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\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eFire alarm, security, PA, intercom, telephone, access control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe SYSTON 18\/2 shielded plenum control cable is a practical, cost-effective choice for professionals needing a plenum-rated, EMI-resistant control cable for low-voltage systems. Its combination of \u003cstrong\u003epure copper conductors\u003c\/strong\u003e and continuous shielding makes it especially good value for commercial alarm and communication installs where safety and signal clarity are priorities.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this cable suitable for plenum ceiling runs?\u003c\/strong\u003e\u003cbr\u003eYes. The cable carries a CMP plenum rating designed for use in air-handling plenums and ceilings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be used for security and fire alarm circuits?\u003c\/strong\u003e\u003cbr\u003eYes. It is specified for fire alarm, burglar alarm and other power-limited low-voltage circuits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the shielding prevent interference?\u003c\/strong\u003e\u003cbr\u003eThe aluminum foil shield reduces EMI on sensitive communication and alarm lines, improving signal reliability in electrically noisy environments.\u003c\/p\u003e","brand":"Syston Cable Technology","offers":[{"title":"Default Title","offer_id":48657383358683,"sku":"B0BXFPZN2T","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71vJfcJSqML._SL1500.jpg?v=1778605348","url":"https:\/\/gearmusthave.com\/products\/syston-18-2-shielded-plenum-control-cable-cmp-cl3p-300v","provider":"GearMustHave","version":"1.0","type":"link"}