C2G/Cables to Go 27343 Cat5E UTP Solid Plenum CMP-Rated Cable, Grey (500 Feet/152.4 Meters) CMP-rated, foot-marked cable in easy-to-use pull box 4-pair unshielded twisted pair (UTP) cable 24 AWG solid bare copper conductor High density polyethylene insulation, PVC jacket CM/CMR-rated for use in walls and conduit in ceiling