Hubbell Premise Wiring | Structured Cable Management and Premise Wiring Hubbell Premise Wiring. Hubbell Premise Wiring is committed to maintaining a tradition of excellence and delivering unmatched quality, innovation and reliability. Our solutions offer a fully integrated system of copper and fiber network cabling and components that are designed to exceed all applicable standards for performance and reliability. TIA/EIA 568a and 568b Wiring Color Codes - Computer Cable Looking for more information on Straight Wired vs Cross Wired? Click Here . TIA/EIA-568-B.1-2001 is likely the most commonly used and talked about feature of the specification created in 1988. 568-a is the definition of pin assignments for the the pairs within Category 3 (CAT3), Category 5 (CAT5) and Category 6 (CAT6) unshielded twisted-pair (UTP) cables (eight conductor, 100-ohm balanced