How to Connect Banana Plugs to Wire

Written by nick davis
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How to Connect Banana Plugs to Wire
Use banana clips to add a connector to your speaker and other types of wiring. (speaker wire image by Paolo from

Used with speaker and other types of wiring, banana plugs contain an opening for plugging wire into the device so you can connect the plug to an amplifier or other piece of equipment. The plugs are shielded to eliminate interference from other electrical devices and come in a variety of output sizes. Banana plugs, available at electrical supply, hardware, home improvement stores and online, are also used in testing electrical equipment including telecommunications and networking devices and radio broadcasting equipment.

Skill level:
Moderately Easy

Things you need

  • Wire cutter or scissors
  • Wire stripper
  • Utility knife

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  1. 1

    Unroll the length of wire you want to use with the banana plug. Cut the wire with a wire cutter or scissors.

  2. 2

    Use a wire stripper to strip 3/4 inch of the vinyl insulation from each wire. If using speaker wire or another type of fused wirelike two wires fused together--use a utility knife to separate the wires before stripping the ends.

  3. 3

    Twist the end of the wire with your fingers to rethread any loose threads of wire.

  4. 4

    Loosen the thumbscrew on top of one of the banana plugs. Insert the wire in the banana plug's centre hole. Tighten the thumbscrew, but don't over tighten it.

    Cut any excess wire hanging over the banana plug.

Tips and warnings

  • When purchasing banana plugs, gold-tip plugs offer the best protection against interference from electrical appliances.

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