How to use a network crimping tool

Written by david sandoval
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How to use a network crimping tool
A network crimping tool is actually three tools in one package: a wire cutter, an insulation stripper, and a crimper. (crimper 1 image by Olga Chernetskaya from

Network crimping tools are used to create telephone cables and network patch cables. Network crimping tools allow a user to trim the network or telephone cabling to size by means of an attached cable cutter. You can also strip the insulation from the individual conductor wires within the cabling with the integrated wire stripper. Interface ends, such as RJ-12 and RJ-45 connectors, may be attached to the cable by means of the network tool's crimper head.

Skill level:

Things you need

  • Network crimping tool
  • Spool of Category 5 network cabling
  • Two RJ-45 cable ends

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  1. 1

    Insert the free end of the Category 5 cabling between the network crimping tool wire cutter blades, and pull approximately one foot of cabling through gap between the wire cutter blades, and cut the cabling.

  2. 2

    Insert approximately 1/2 inch of one end of the cut length of cable into the wire stripper socket, and squeeze the network crimping tool handles together. Remove the stripped end from the wire stripper socket, and insert the unstripped end 1/2 inch into the wire stripper socket. Squeeze the network crimping tool handles together, and remove the stripped wire from the wire stripper socket.

  3. 3

    Untwist the wire pairs at each end of the length of cable, and straighten each wire. Clip the wires so that each wire is the same length. Arrange the wires from left to right in this order: white/orange, orange, white/green, blue, white/blue, green, white/brown, brown.

  4. 4

    Slip the wires into the RJ-45 connector with the prong facing downward (away from you). Push the wires all the way to the end of the plug. Slip the tool crimper socket over the RJ-45 connector, and squeeze hard to crimp the plug.

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