Monoprice's 23AWG Cat6 550MHz STP Solid, Riser-Rated (CMR) bulk pure bare copper ethernet cable is premium, high-speed cabling designed for use in 1000Base-T gigabit ethernet network environments. Constructed using 23AWG solid, pure bare copper conductors with a CMR-rated PVC jacket, it exceeds TIA/EIA 568-C. 2 standards and is safe for use in the Riser spaces of commercial class buildings. This cable is UL-listed and RoHS compliant.