Pre-Installed Conductors Within An Overall Protective Metallic Interlocked Armor. 45 Percent 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 Degree Celsius Dry, 75 Degrees Celsius Wet At 600 Volt. Conductor Insulation Is Flame Retardant, Heat Resistant PVC With Flame, Oil And Gasoline Resistant Nylon Jacket. General Applications: Branch, Feeder, And Service Power Distribution In Commercial, Industrial, Institutional, And Multi-Residential Construction/Facilities, Power, Lighting, Control, And Signal Circuits, Concealed Or Exposed Installations, Installed In Raceway/Conduit, Fished Or Embedded In Plaster, Installed In Cable Tray, And As Aerial Cable On A Messenger. UL Classified 1, 2 And 3 Hour Through Penetration Firestop Systems: W-L-3110, W-L-3113, W-L-31120, W-L-3121, C-A-J-3115, C-A-J-3140, C-A-J-3142, C-A-J-3202, C-A-J-4065, And C-A-J-4066. UL Listed.