SYSTON shielded stranded copper CMP security, control, sound and alarm cable is a professional-grade low voltage wire engineered for reliable signal transmission in power-limited circuits. Designed for fire alarm, burglar alarm, access control, nurse call, intercom, public address, instrumentation and other control system applications, this cable features stranded pure copper conductors for excellent conductivity and flexibility, combined with aluminum foil shielding and a tinned copper drain wire to effectively reduce EMI/RFI interference in sensitive control and security installations. Rated CL3/CL3P for 300V power-limited circuits and CMP (Plenum-Rated) per NEC requirements, it is suitable for installation in air plenums and commercial buildings where fire safety is critical. The low-smoke, flame-retardant PVC jacket is sunlight resistant and moisture resistant for indoor and outdoor use, while remaining easy to pull thanks to its round, slick jacket design and integrated rip cord for fast stripping. Ideal for professional electricians, low voltage contractors, and DIY users seeking a dependable shielded control cable that meets UL, NEC, and plenum installation standards.