Cat 6 Wiring Diagram Rj45 | Free Wiring Diagram September 3, 2018October 9, 2018. Collection of cat 6 wiring diagram rj45. A wiring diagram is a streamlined standard photographic depiction of an electric circuit. It reveals the components of the circuit as simplified shapes, and the power as well as signal connections in between the devices. CAT-5 Wiring Diagram | Crossover Cable Diagram Using a cable stripping tool, strip about 1/3"of the out jacket of the cat-5 cable. Be sure not to strip or damage any of the pairs of inner cables. Assemble the pairs of wires in the following order for network cables (EAI standard / TIA-568B). Insert the wires into the RJ45 jack as seen below.