Description Product Reviews 18/6 Security Cable Stranded Shielded CMR Riser Alarm Audio 1000′ CMR Shielded Riser Rated 18 AWG 6 Conductor Security Alarm Cable is made with 7 stranded bare copper conductors. It is unshielded with a CMR rated jacket. Our Security Alarm Cable is available in 1000 ft. increments and is made in the USA. CMR Shielded Riser 18/6 1000ft Pro-Installer Series CMR,CL2 Rated for RISER Applications Professional Use Quality Stranded Copper Wire Conductors 0 Reviews Hide Reviews Product Reviews