This Plenum rated cable is jacketed with a fire-retardant plastic jacket of either a low-smoke polyvinyl chloride (PVC) or a fluorinated ethylene polymer (FEP) for less toxicity during a fire. Cat6 plenum solid bulk cable is perfect for making custom length in-wall horizontal network cable runs. Solid copper conductor. Plenum, CMP-Rated jacket. Our Cat6 cables are certified to handle Gigabit Ethernet with a bandwidth of up to 600 MHz. 100% pure copper wires are compliant with EIA/TIA standard by UL and ETL. RoHS compliant.