Partially stripped cable showing the four twisted pairs (eight wires). Category 5 cable (Cat 5) is a twisted pair cable for computer networks. Since 2001, the variant commonly in use is the Category 5e specification (Cat 5e). Category 5 cable - Wikipedia Was this helpful? Cat 5e Wiring Diagram Wall Jack | Free Wiring Diagram Variety of cat 5e wiring diagram wall jack. A wiring diagram is a simplified traditional photographic depiction of an electrical circuit. It reveals the elements of the circuit as simplified forms, as well as the power and signal connections in between the gadgets. How to Install an Ethernet Jack for a Home Network Jul 24, 2017The home network is extended to the basement game room by running Cat 5e cable and installing a new Ethernet jack. A “wired” network connection was needed at this location due to a weak WiFi (wireless) LAN signal. Cat5e or Cat6 cable wiring is often needed for Power over Ethernet (PoE) connections to network cameras and WiFi Access Points.