How to Terminate F Connectors

Written by phil altshuler
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How to Terminate F Connectors
You can easily terminate your cables with crimp connectors. (coaxial cable connection image by Michael Shake from

The most common F connectors are twist-on and crimp types. The twist-on F connector is not as reliable as the crimp type. Most crimp type F connectors are one piece and are easy to work with. The connectors are used with RG-59 and RG-6 cables. RG-6 comes in dual-shield and quad-shield styles and each uses a different connector. Be sure that the connector you buy is designed for the cable you are using.

Skill level:

Things you need

  • Cable
  • F connectors
  • Crimping tool
  • Utility knife
  • Cable cutter
  • Ruler

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  1. 1

    Cut the end of the cable so that it is straight. Lightly cut around the perimeter of the cable, one inch from the end.

  2. 2

    Peel back the outer insulation and carefully cut it off. Cut the top layers of the braid back to the insulation. Leave the bottom braid intact.

  3. 3

    Cut the remaining braid back so 1/8 inch is left. Fold it back over the outer insulation. Make sure it lies flat so that the connector can slide on easily. Strip the white insulator back so 1/8 inch is visible.

  4. 4

    Cut the end of the cable so that 1/2 inch extends past the outer insulator. Slip the crimp connector onto the cable. Twist it on until the white insulator is against the inner stop on the connector. You should be able to see the insulator from the other end of the connector.

  5. 5

    Place the crimping tool around the lower end of the connector and squeeze the tool as hard as you can. Remove the crimping tool. Hold the cable firmly in one hand and try to pull off the connector with your other hand. If it does not loosen up, the connection is secure.

Tips and warnings

  • Cut the braid over a piece of white paper, to prevent the wires from falling on the table.
  • If the connection does not hold, cut off the end and try again. You may need to try a few times to get comfortable with the technique.

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