8/4 (18AWG 4C) Stranded CM Security Cable, Red, 1000 ft, Pullbox 8/4 (18AWG 4C) Stranded CM Security Cable, Red, 1000 ft, Pullbox1.Conductor: bare copper or tinned copper 2. Insulation:PVC-flame proof or common PVC insulation3.Cable core: 2C, 4C, 6C, 8C, 12C, etc are available 4. Rip cord.5.Jacked: PVC-flame proof or common PVC insulation,CMP,CM6. Standard packing: 100m/box, 100m/plastic spool, ...