Type T/N (PVC) insulation, nylon sheath, twisted pairs, color coded per IEEE-45, stranded drain wire, polyester/aluminum foil tape shield, the required number of pairs cabled with fillers where necessary, binder tape as required, Type T (PVC) jacket. IEEE 45. Flame retardant – meets IEEE 1202/UL-1685 flame test requirements. Optional Aluminum or Bronze Armor.