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How To Wire Ethernet Patch Cables

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Ethernet patch cables, also known as Ethernet cords or Ethernet cables, are used to connect devices with an Ethernet port to a local area network (LAN). These cables come in different lengths and colors, and they are relatively easy to wire. This article provides step-by-step instructions for wiring Ethernet patch cables.

Materials Needed:

- Ethernet cable

- RJ45 connectors

- RJ45 crimping tool

- Wire stripper

Step 1: Measure and Cut Ethernet Cable

The first step in wiring Ethernet patch cables is to measure and cut the cable to the desired length. Use a ruler or tape measure to measure the length of cable you need, and then use a pair of scissors or a cable cutter to cut the cable. Be sure to leave some extra length on the cable, as it will be trimmed later on.

Step 2: Strip the Cable

After cutting the cable, use a wire stripper to remove about 1.5 inches of the outer jacket from the cable. Be careful not to damage the inner wires while stripping the cable. You should now see four pairs of wires with different colors.

Step 3: Untangle the Wires

You need to untangle the wires before you can start wiring the Ethernet patch cable. Each pair of wires is twisted together, and they must be untwisted to separate them. Use your fingers to gently separate the wires.

Step 4: Arrange the Wires

Once the wires are separated, arrange them according to the standard T568B wiring scheme. The order of the wires from left to right should be:

- Orange Stripe

- Orange

- Green Stripe

- Blue

- Blue Stripe

- Green

- Brown Stripe

- Brown

Step 5: Trim the Wires

Trim the ends of the wires so that they are all the same length. Use a wire cutter or scissors to trim the wires.

Step 6: Insert the Wires into the RJ45 Connector

Insert the wires into the RJ45 connector in the correct order according to the T568B wiring scheme. Make sure that each wire is fully inserted into the connector. Also, make sure that the outer jacket of the cable is inserted into the connector so that it is clamped between the connector and the cable.

Step 7: Crimp the Connector

Use a crimping tool to crimp the connector onto the cable. Make sure that the crimping tool is firmly closed around the connector, and then squeeze the handles of the tool several times to crimp the connector onto the cable.

Step 8: Test the Cable

Finally, test the cable to make sure that it is working properly. Connect one end of the cable to a device with an Ethernet port, and connect the other end to a router or switch. Make sure that the device recognizes the network connection and that you can access the Internet or network resources.


Wiring Ethernet patch cables is not difficult, but it takes a bit of practice to get it right. Follow the steps outlined in this article to ensure that your Ethernet patch cables are properly wired and ready to use. With a little bit of effort, you can connect your devices to your LAN with ease.

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