Description Product Reviews 18/6 Security Cable Stranded CMR Riser Alarm Audio Signal 500′ CMR Riser Rated 18 AWG 6 Conductor Security Alarm Cable is made with 7 stranded bare copper conductors. CMR Roser 18/6 500ft Pro-Installer Series CMR,CL2 Rated for RISER Applications Professional Use Quality Stranded Copper Wire Conductors 0 Reviews Hide Reviews Product Reviews