Cat5 Wall Plate Wiring Diagram | Free Wiring Diagram Collection of cat5 wall plate wiring diagram. A wiring diagram is a simplified standard photographic representation of an electrical circuit. It shows the parts of the circuit as simplified forms, and the power and also signal links in between the tools.Author: Ricardolevinsmorales How to wire Ethernet Cables & Wall Plates (8P8C) How to wire Ethernet Cables: Strip off about 2 inches of the cable sheath. Untwist the pairs - don't untwist them beyond what you have exposed, the more untwisted cable you have the worse the problems you can run into. Align the colored wires according to the diagrams above.