Make reliable Ethernet connections in applications requiring plenum rated Cat5e Cable Cat 5e Cable 500 ft. / Blue Cat 5 Wire / Cat5e Plenum Cable / Solid Cat5e Cable Bulk / 500' Cat 5e Bulk Cable / 500 ft. Ethernet Cable / Cat 5e Box / 500 ft. Category 5 Cable / Cat5 Cable Roll Can be used in air ducts and plenums where CMP fire rating is required Designed for use with Fast Ethernet networks Foot-marked cable High quality 24 AWG copper wire Rated up to 350 Mhz