With Tripp Lite's new Category 6 bulk, solid, 4-pair plenum cable, you can stay ahead of the game with use of this high-speed cabling to distribute data voice and video. This cable delivers stable performance up to 550MHz. Each comes UL verified meets EIA/TIA Cat6 TIA/EIA- 568-b-2.1 draft 9 standards. Constructed with high-quality copper wire, near-end crosstalk levels are kept to a minimum. This 1, 000ft. spool of bulk solid plenum cable makes industrial runs a snap for the do-it-yourself cable guy. Plenum cable is usually used to be installed between the ceiling and the floor above it because of its Teflon coating.