Monoprice Cat6 Ethernet Bulk Cable - Network Internet Cord - Solid, 500Mhz, UTP, CMR, Riser Rated,  Pure Bare Copper Wire, 23AWG, 1000ft, Purple 100% pure bare copper conductors comply with UL Code 444 and National Electrical Code TIA-568-C.2 fire and safety standards 23 AWG solid conductors 4 Unshielded Twisted Pairs (UTP) 500MHz Category 6 rated PVC CMR-rated Jacket is safe for use in the walls and between the floors of commercial class buildings 1,000 ft. / Pull Box