How to Use an Electrical Crimping Tool


Safety and proper technique is key when dealing with any type of electrical work. Electricity is dangerous, and failing to crimp two electrical wires correctly could lead to fire and possible death. Never take chances when dealing with electricity; do the job right the first time.

Things You'll Need

  • Crimping tool
  • Wire
  • Crimp connectors
  • Electrical tape (optional)
  • Select the appropriate electrical crimp connector for your particular job. Crimp connectors come in many different types, including spades, rings, butts, blades and so on. Choosing the appropriate tool is critical in ensuring a job safely done. Discuss your electrical crimping needs with an expert and use his advice to choose the right tool.

  • Cut your wire to the desired length.

  • Strip the insulation off the end of the wire, making the exposed portion just a little longer than the metal portion of your crimp connector.

  • Twist the strands of wire together with your fingers to make them easier to insert into the connector if you are crimping stranded wire.

  • Insert the bare wire end into the connector, making sure that it is contacting the metal portion and only insulated wire is showing outside the connector.

  • Matching the color on the crimping tool to the color of the connector, place the connector in the tool and squeeze hard. Depending on the length of the connector, you may be able to do this in several places to ensure that you have made a good connection.

  • Wrap the whole connection with electrical tape for added security if desired.

Tips & Warnings

  • Always leave a little extra length when you are cutting your wire in case you don't get the crimp right and have to cut it off and start over.
  • Be careful with the wire ends, they are sharp, and can poke little tiny, painful holes in your fingers.

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  • Photo Credit Hemera Technologies/ Images
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