Vertical Cable Cat6, UTP, 23AWG, 8C Solid Bare Copper, Plenum, 1000ft, Orange, Bulk Ethernet Cable Cat 6 utp flame retardant plenum 1000 feet Outer Diameter 5.3 mm 23 awg wires made of solid bare copper conductors Type CMP for fire resistant plenum and roof network installations UL Listed, Exceeds TIA/EIA-568-C.2 specifications