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Pure Copper Conductor, NOT CCA: 23 AWG solid pure bare annealed copper for the strongest signal you can achieve in networking pure copper provides better conductivity and enhanced flexibility with an internal Spline to eliminate cross-talk providing exceptional transmission and performance with lowest possible signal loss. Refuse to use CCA (copper-clad aluminum) to compromise quality.CMR (Riser-Rated): Our cable is designed with your safety in mind. It features a CMR/CL3R/FPLR (Riser-Rated) flame-retardant rating that provides peace of mind in case of fire. This type of cable is commonly used in commercial projects where enhanced fire safety requirements are needed, exceeding the basic fire safety rating of CM cables.CAT 6E: 600 MHz speed high-data transfer for networking peripherals and applications that utilize RJ45 connectors including routers, switches, online gaming, video surveillance and streaming, IP cameras, POE power over ethernet, HDMI or HD base-T extenders, computers, laptops and any connection with an RJ45 connector looking to connect to the internet.Strict Standard: Standard compliances and certifications - ANSI/TIA 568-2.D, ANSI/TIA 862 (building automation), ISO/IEC 11801, ICEA S-102-700 (Category 6), NEC/CEC type CMR (UL1666) for riser, UL and/or ETL listed and RoHS compliant.Attention Please: No RJ45 connectors are on this cable. Packaging may vary. This bulk enternet cable is suitable for home improvement or engineering customers who need large-size data cables. Of course, our brand store also provides cables with RJ45 connectors installed.