NST-CAT6-1000-BLK is 4-pair UTP (Unshielded Twisted Pair) cable that is UL Verified to TIA/EIA-568-B.2 communications standards. Use it for data, audio, video and just about anything else you can think of. 99.9997% oxygen free conductors is used in our cable to ensure signal integrity and a lifetime of performance. Oxygen Free Cables (manufactured in an oxygen free environment) drastically reduces signal distortion for unrivaled audio clarity using 99.9997% oxygen free conductors. Installer-friendly sequential distance markings, anti-snag dispensing slots and easy-to-strip jackets make Binaryâ„¢ cable a breeze to work with.