18/12 AWG Plenum Security Alarm Cable - CMP/CL3P Rated, Shielded, 1000ft White
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18/12 AWG Plenum Security Alarm Cable - CMP/CL3P Rated
This professional-grade 18 AWG 12-conductor plenum security cable is engineered for superior performance in plenum air spaces and large-scale commercial installations. Featuring aluminum mylar shielding with stranded bare copper conductors and low-smoke PVC materials, this CMP-rated cable meets the strictest fire safety standards for in-ceiling and HVAC applications while protecting against electromagnetic interference.
Proudly made in the USA, this versatile cable is ideal for complex security systems, intercoms, audio distribution, and power-limited fire alarm circuits. With twelve color-coded conductors and sequential footage marking, this cable offers maximum flexibility for sophisticated multi-zone installations in commercial facilities. ETL listed and RoHS compliant for quality assurance and code compliance.
Key Features
- Plenum rated (CMP/CL3P) for installation in air handling spaces
- Low smoke PVC materials meet strict fire safety requirements
- Aluminum mylar shielding protects against EMI/RFI interference
- 12 color-coded conductors for maximum wiring versatility and complex systems
- Stranded copper construction for flexibility during installation
- Sequential footage marking for accurate measuring and installation tracking
- ETL Listed and RoHS compliant for quality assurance
- Made in USA for consistent quality and reliability
Ideal Applications
- Security and burglar alarm systems
- Fire alarm and life safety systems
- Intercom and communication systems
- Sound and audio distribution networks
- Access control systems
- Power-limited control circuits
- Residential and commercial installations requiring plenum-rated cable
- Large-scale multi-zone security systems
- Complex commercial installations requiring multiple circuits
Technical Specifications
Conductors
- AWG Size: 18/12 (12 conductors)
- Strand Count: 7 strands per conductor
- Material: Bare copper
- Construction: Stranded for flexibility
- Conductor Insulation Thickness: 0.009" PVC
Conductor Color Code
- Black
- Red
- White
- Green
- Brown
- Blue
- Orange
- Yellow
- Purple
- Gray
- Pink
- Tan
Insulation & Jacket
- Conductor Insulation: Low smoke PVC
- Shield: Aluminum mylar foil
- Outer Jacket: Low smoke PVC
- Jacket Color: White
- Jacket Thickness: 0.457mm
- Nominal Overall Diameter: 7.85mm
Electrical Ratings
- Voltage Rating: 300V
- Temperature Rating: 75°C
- NEC Articles: 725 (CL2P/CL3P), 760 (FPLP), 800 (CMP)
Certifications & Compliance
- CMP (Communications Plenum) Rated
- CL3P (Class 3 Plenum) Rated
- FPLP (Fire Power Limited Plenum)
- ETL Listed
- RoHS Compliant
- Made in USA
Packaging & Marking
- Spool Length: 1000 feet
- Sequential footage marking on jacket
- Jacket Printing: "18 AWG 12C SHIELDED TYPE CL3P/FPLP c(ETL)us TYPE CMP 3054355"
Installation Notes
This plenum-rated cable is designed for installation in air handling spaces, drop ceilings, and HVAC plenums where low-smoke, fire-resistant materials are required by code. The CMP rating is the highest fire safety rating for communications cables, making it suitable for the most demanding commercial installations.
The aluminum mylar shielding provides excellent protection against electromagnetic interference, ideal for installations near electrical equipment or in electrically noisy environments. This is particularly important for complex security systems where signal integrity across multiple zones is critical.
The twelve-conductor configuration offers exceptional versatility for sophisticated security systems, multi-zone installations, or applications requiring numerous circuits in a single cable run. This reduces the number of cables needed, simplifying installation and reducing labor costs. The 18 AWG gauge provides good balance between current-carrying capacity and flexibility for professio