avoid Having Excess Ethernet Cable Lying Around By Building Your Own Cables To The Exact Length Needed Using This Bulk Ethernet Copper Cable From Monoprice! Features: Shielded Twisted Pair (stp) Category 6 Ethernet Cable 23awg Solid, Pure Bare Copper Conductors Cm (in-wall) Fire Safety Rating 550mhz Bandwidth 1000 Foot Roll Monoprice Ethernet Cables Are Made Of 100% Pure Bare Copper Wire, As Opposed To Copper Clad Aluminum (cca) Wire, And Are Therefore Fully Compliant With Ul Code 444 And National Electrical Code Tia-568-c.2 Fire And Safety Standards, Which Require Pure Bare Copper Wire In Communications Cables.