Pre-installed conductors within an overall protective metallic interlocked armor. 45% lighter than steel MC cable. Cable reverse wound for ease of pulling and installation. Conductors solid bare annealed copper per ASTM B-3, stranded copper stranding per ASTM B-8 for conductor. Conductor insulation rated 90 deg C dry, 75 deg C wet at 600 V. Conductor insulation is flame retardant, heat-resistant PVC with flame, oil- and gasoline-resistant nylon jacket.