This CAT6 400MHz Plenum-Rated Bulk Cable is perfect for high-bandwidth connectons. Because of its flame retardant protection, our Plenum is rated for use from air duct to riser applications. Our CAT6 Bulk Cable is UL listed and ETL Verified. It has been tested to meet and exceeds CAT6 400 MHz standards. 24 AWG., 4 Twisted Pairs (UTP) Designed to meet Category 6 TIA/ISO proposed specification PVC Multi-Color Jacket 1,000 ft. / Pull Box