18/4 Security Cable – CL2 Unshielded, Stranded Bare Copper Conductor, 500ft

The 18/4 Security Plenum Cable is a high-quality solution designed for reliable security and alarm system installations in commercial and residential spaces. Its four unshielded stranded bare copper conductors provide excellent flexibility, making it easy to route through walls, ceilings, and conduits without compromising performance. The CMP-rated plenum jacket ensures compliance with fire codes, making it safe for installation in air-handling spaces such as ceilings and risers.

This cable is engineered for consistent signal transmission, providing dependable communication between security panels, sensors, and monitoring devices. The stranded conductor design increases flexibility and reduces the risk of breakage during installation or movement, ensuring long-term reliability for critical security systems.

With a 500ft length, the 18/4 Security Plenum Cable is ideal for both small-scale residential projects and larger commercial installations. Its durable construction protects against environmental stress while maintaining signal integrity over long runs. The CL2-rated jacket adds extra protection, making the cable compliant with NEC standards and suitable for indoor security wiring.

Professional-grade 18/4 security cable built for alarm systems, access control, and sensor networks. Four stranded bare copper conductors deliver consistent signal transmission without interference. CL2-rated, unshielded design meets NEC fire safety standards for indoor installations. Flexible construction routes easily through walls and conduits. 500ft spool supports residential and commercial projects. Durable jacket resists environmental stress while maintaining signal integrity across extended runs.