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How to Tape Wires With Duct Tape

Duct tape is used for almost every conceivable taping job, even for making hats. Duct tape was invented in the 1920s by Richard Drew, who worked for Minnesota Mining & Manufacturing Co., known today as 3M. It is waterproof and was originally used for keeping moisture out of ammunition cases. It then became indispensable in the housing industry for connecting heating and air-conditioning ductwork.

Things You'll Need

  • Scissors
  • Tape Measure
  • Duct Tape

Unplug the wire from any electrical source. Check the wires, and ensure that there are no exposed copper ends sticking out. If the plastic outer covering is only frayed or torn and nothing more, you can proceed to tape the wire.

Look at the entire length of the wire, and determine how many places need to be taped. If enough of the wire is frayed or ripped, cover the entire length.

Measure the wire. Cut enough tape to wrap around the wire. You will have to wrap the wire twice, but only cut one piece of tape at a time. If the wire is longer than 6 inches, cut the tape into sections.

Start at the end that is away from the electrical connector. Start wrapping the tape around the wire in a clockwise motion. As you finish each segment, smooth out the tape with your hands. Continue to do this for the length of the wire. When you get to the end where the plug for the current is, wrap the tape around twice, but do not allow the tape to overlap onto the plug.

Cut any excess tape from the wire. Look closely for any exposed areas. If you missed anything, just tape over the area. Plug the wire back once you are sure nothing is exposed.


  • Duct tape comes in every color imaginable. Use a color that will match or complement your décor.


  • If you have a badly frayed wire or there are pieces of the wire sticking out, do not attempt this.

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