All Patch Cords in this range are ETL verified and do exceed the EIA/TIA 568B standards for 24 AWG stranded conductor unshielded twisted-pair applications, delivering a whopping 250MHz. Patch Cords are all the stranded wire type to increase flexibility and durability and housed PVC jacket construction. To protect the RJ-45 connectors and thus improve the Patch Cord lifecycle, in the newly designed and revolutionary boot covers are inserted at each end of the patch cord, indicating the length that is being used.