{"product_id":"18-2-shielded-plenum-security-alarm-cable-cmp-rated","title":"18 AWG 2-Conductor Shielded Plenum Alarm Cable - CMP Rated, 1000ft","description":"\u003cp\u003ePremium shielded plenum-rated 2-conductor security alarm cable engineered for high-reliability installations in electromagnetic interference (EMI) environments. This USA-made cable features two 18-gauge stranded bare copper conductors with 7 strands each, protected by aluminum mylar shielding and housed in a low-smoke CMP-rated white jacket. Designed for demanding security systems, intercoms, audio applications, and power-limited controls where EMI protection, fire safety, and heavy-duty construction are essential.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e18 AWG 2-Conductor Design\u003c\/strong\u003e - Heavy-duty wire gauge for extended cable runs and superior performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Mylar Shielding\u003c\/strong\u003e - Superior protection against electromagnetic interference (EMI\/RFI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Strand Bare Copper Conductors\u003c\/strong\u003e - Excellent flexibility and reliable signal integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCMP\/CL3P Plenum Rated\u003c\/strong\u003e - Approved for HVAC plenums and air-handling spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Smoke PVC Construction\u003c\/strong\u003e - Enhanced fire safety with minimal toxic smoke emission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 Color-Coded Conductors\u003c\/strong\u003e - Easy identification (Black and Red)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequential Footage Marking\u003c\/strong\u003e - Precise measurement for accurate installation planning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETL Listed \u0026amp; RoHS Compliant\u003c\/strong\u003e - Meets strict safety and environmental standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite Low-Smoke Jacket\u003c\/strong\u003e - Clean, professional appearance for visible installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA\u003c\/strong\u003e - Premium domestic manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eIdeal Applications\u003c\/h4\u003e\n\u003cp\u003ePerfect for high-reliability plenum installations in EMI-sensitive environments:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Security Alarm Systems\u003c\/li\u003e\n\u003cli\u003eCommercial Access Control Systems\u003c\/li\u003e\n\u003cli\u003eProfessional Intercom Systems\u003c\/li\u003e\n\u003cli\u003eAudio Distribution Systems\u003c\/li\u003e\n\u003cli\u003ePower-Limited Control Circuits\u003c\/li\u003e\n\u003cli\u003eBuilding Automation Systems\u003c\/li\u003e\n\u003cli\u003eCritical Infrastructure Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Material:\u003c\/strong\u003e Stranded Bare Copper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 18 AWG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Conductors:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrands per Conductor:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Insulation:\u003c\/strong\u003e 1.2mm Low-Smoke PVC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Aluminum Mylar (100% Coverage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Diameter (Nominal OD):\u003c\/strong\u003e 4.11mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacket Thickness:\u003c\/strong\u003e 0.38mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacket Material:\u003c\/strong\u003e Low-Smoke PVC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacket Color:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eElectrical Performance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Temperature:\u003c\/strong\u003e 75°C (167°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 300V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCertifications \u0026amp; Compliance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlenum Rating:\u003c\/strong\u003e CMP (Communications Plenum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Ratings:\u003c\/strong\u003e CL3P, FPLP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e ETL Listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental:\u003c\/strong\u003e RoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eConductor Color Coding\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConductor 1: Black\u003c\/li\u003e\n\u003cli\u003eConductor 2: Red\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eJacket Printing\u003c\/h4\u003e\n\u003cpre\u003e\u003ccode\u003e18 AWG 2C SHIELDED TYPE CL3P\/FPLP c(ETL)us TYPE CMP 3054355\n\u003c\/code\u003e\u003c\/pre\u003e\n\u003ch4\u003ePackage Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1000 feet per spool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose Shielded 18\/2 Plenum Cable?\u003c\/h4\u003e\n\u003cp\u003e✓ \u003cstrong\u003eEMI\/RFI Protection\u003c\/strong\u003e - Aluminum mylar shielding prevents interference from electrical equipment, motors, and radio frequencies\u003cbr\u003e✓ \u003cstrong\u003eHeavy-Duty Construction\u003c\/strong\u003e - 18 AWG wire gauge supports longer cable runs with minimal voltage drop\u003cbr\u003e✓ \u003cstrong\u003eFire Code Compliant\u003c\/strong\u003e - CMP plenum rating meets stringent requirements for air-handling spaces\u003cbr\u003e✓ \u003cstrong\u003eLow Smoke Safety\u003c\/strong\u003e - Special insulation reduces toxic emissions during fire emergencies\u003cbr\u003e✓ \u003cstrong\u003eProfessional Reliability\u003c\/strong\u003e - Shielding eliminates false alarms caused by electromagnetic interference\u003cbr\u003e✓ \u003cstrong\u003eLonger Cable Runs\u003c\/strong\u003e - 18 AWG provides approximately 40% lower resistance than 22 AWG\u003cbr\u003e✓ \u003cstrong\u003eHigher Current Capacity\u003c\/strong\u003e - Supports powered devices like magnetic locks and motion sensors\u003c\/p\u003e\n\u003ch4\u003ePlenum Installation Requirements\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eUse CMP Plenum Cable When:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalling in HVAC plenums or air-return spaces\u003c\/li\u003e\n\u003cli\u003eRunning cable above drop ceilings used for air circulation\u003c\/li\u003e\n\u003cli\u003eBuilding codes require low-smoke, fire-resistant materials\u003c\/li\u003e\n\u003cli\u003eCommercial installations with strict fire safety codes\u003c\/li\u003e\n\u003cli\u003eInstalling in any space used for environmental air\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCritical:\u003c\/strong\u003e Plenum cable exceeds all riser (CMR) specifications and can substitute for riser cable anywhere, but riser cable cannot be used in plenum spaces. Always verify local building codes and fire marshal requirements.\u003c\/p\u003e\n\u003ch4\u003eInstallation Advantages\u003c\/h4\u003e\n\u003cp\u003eThe 18\/2 shielded plenum configuration provides professional-grade reliability for critical security installations. The aluminum mylar shielding protects both conductors from external electromagnetic interference, ensuring reliable operation in electrically noisy environments. The heavier 18 AWG gauge supports longer cable runs and higher current devices while maintaining signal integrity. Sequential footage marking enables precise measurements, while the white low-smoke jacket meets stringent fire codes and maintains a clean, professional appearance.\u003c\/p\u003e\n\u003ch4\u003eCommon Use Cases\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Security:\u003c\/strong\u003e Office buildings requiring EMI-protected alarm circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Facilities:\u003c\/strong\u003e Manufacturing environments with heavy machinery and electrical noise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers:\u003c\/strong\u003e Security systems near high-EMI server and networking equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare:\u003c\/strong\u003e Hospital security systems near medical equipment and MRI machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Institutions:\u003c\/strong\u003e Bank vault sensors and ATM security requiring maximum reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetail:\u003c\/strong\u003e Loss prevention systems in environments with electronic article surveillance (EAS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEducational Facilities:\u003c\/strong\u003e Campus security systems with long cable runs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment\/Military:\u003c\/strong\u003e Critical infrastructure requiring shielded, fire-rated cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Buildings:\u003c\/strong\u003e Integrated systems combining security, access, and building controls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParking Garages:\u003c\/strong\u003e Long-run applications with exposure to vehicle ignition interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Best Practices\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ground shield at ONE end only (typically at control panel) to prevent ground loops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparation:\u003c\/strong\u003e Maintain minimum 6-inch separation from AC power lines when possible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBend Radius:\u003c\/strong\u003e Avoid sharp bends; maintain minimum 10x cable diameter bend radius (approximately 1.6 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination:\u003c\/strong\u003e Use proper shielded connectors and maintain shield continuity to ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting:\u003c\/strong\u003e Test continuity and verify proper shield grounding before energizing system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLabeling:\u003c\/strong\u003e Clearly label conductors at both ends (Black\/Red identification)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Document shield grounding location for future troubleshooting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire Stopping:\u003c\/strong\u003e Use plenum-rated fire stop materials at all penetrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulling Tension:\u003c\/strong\u003e Do not exceed manufacturer's maximum pulling tension to avoid conductor damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEMI Protection Explained\u003c\/h4\u003e\n\u003cp\u003eElectromagnetic interference (EMI) can cause:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFalse alarms in security systems\u003c\/li\u003e\n\u003cli\u003eIntermittent signal loss or degradation\u003c\/li\u003e\n\u003cli\u003eUnreliable sensor readings\u003c\/li\u003e\n\u003cli\u003eSystem malfunctions and nuisance trips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow Shielding Works:\u003c\/strong\u003e The aluminum mylar shield acts as a Faraday cage, intercepting electromagnetic waves before they reach the signal conductors. When properly grounded, the shield diverts interference to ground, protecting signal integrity.\u003c\/p\u003e\n\u003ch4\u003eWhen to Choose This Cable\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNew commercial security installations in plenum spaces\u003c\/li\u003e\n\u003cli\u003eUpgrading existing systems to eliminate EMI-related issues\u003c\/li\u003e\n\u003cli\u003eLong cable runs requiring heavy-duty 18 AWG construction\u003c\/li\u003e\n\u003cli\u003eHigh-security applications requiring maximum reliability\u003c\/li\u003e\n\u003cli\u003eEnvironments with significant electrical interference\u003c\/li\u003e\n\u003cli\u003eCode-required plenum-rated installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConsider Alternatives If:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShort runs under 500 feet with no EMI concerns (22 AWG unshielded may suffice)\u003c\/li\u003e\n\u003cli\u003eNon-plenum spaces where riser (CMR) rating is acceptable\u003c\/li\u003e\n\u003cli\u003eBudget constraints and EMI protection is not required\u003c\/li\u003e\n\u003cli\u003eResidential applications with minimal interference sources\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Patch Cords Online","offers":[{"title":"Default Title","offer_id":51763902054722,"sku":"SEC016-1000WHI","price":214.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/2175\/5714\/files\/SEC016-1000WHI.png?v=1767467326","url":"https:\/\/patchcordsonline.com\/products\/18-2-shielded-plenum-security-alarm-cable-cmp-rated","provider":"Patch Cords Online","version":"1.0","type":"link"}