How to Hook Up Cat6 Cable to a Rj45 Plug


Category 6 networking cable, or cat 6 cable, is a new networking cabling standard that can transmit twice the amount of data as the previous high-end networking standard, category 5e. Because it reduces transmission errors, replacing your cat 5e cables with cat 6 can increase network performance on existing networks. In many cases, you may need to pull cable through walls and ceilings and add RJ45 connectors to one or both end of the cable. Adding an RJ45 cable to a cat 6 is not difficult.

Things You'll Need

  • Cat 6 cabling
  • Knife or wire stripper
  • RJ45 connectors
  • Crimping tool
  • Strip about two inches off the outer insulation of the cable. If you use a knife, be very careful to only cut through the outer cable insulation and not to damage the wires inside. The risk of damaging the inner wires is much less if you use a wire stripper. Some crimping tools have them built in.

  • Cut the inner wires to the length needed for them to lie in the channels of the RJ45 jack without extending too far into the jack or being too short, where contact may not be made.

  • Lay the inner wires in the following order in the RJ45 connector: Pin 1–white/green, pin 2–green, pin 3–white/orange, pin 4–blue, pin 5–white/blue, pin 6–orange, pin 7–white/brown, pin 8–brown. Pin 1 is on the left of the jack looking at the jack from the top.

  • Place the connector carefully in the crimping tool and squeeze the handle to press the wires into the connector contacts.

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  • Photo Credit few network connectors image by Sergey Minaev from
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