National C22NLLG45 Aluminized Coat L, Carbon Kevlar®, 45 in Lg, Vented Back Vented Underarms G0310037 Nominal Pipe Size 3 in Nominal Pipe Size 3 in Rating 194 Degrees F Jacket Material Nylon Wire Color Orange Number of Conductors 1 Conductor Design Stranded Wire Type THHN Wire and Cable Item Building Wire Packaging Plastic Spool Insulation Material Wire and Cable PVC Jacket Material Wire and Cable Nylon Stranding 19 Stranded Solid Stranded Insulation Material (Wire and Cable) PVC Wire Type Wire and Cable THHN Standards UL Vented Underarms Vented Underarms Includes Lining Yes EN ISO 11612 Aluminum Splash Level 3 EN ISO 11612 Iron Splash Level 3 EN ISO 11612 Radiant Heat Level 4 Features Aluminized Vented Back