How to Daisy Chain an Extension Cord

Written by chris baylor
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How to Daisy Chain an Extension Cord
Extension cord connected to outdoor outlet (light with extension cord image by Gareau Enterprises from

Daisy-chaining extension cords is a process for connecting two extension cords together when one extension cord isn't long enough. Daisy-chaining extension cords is fine when the cords are of a large-enough gauge to support the extra run, but can be limit the amount of power to the tool (and even be a fire hazard) when the gauge of extension cord is too small.

Skill level:
Moderately Easy

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Things you need

  • Two 12-gauge (or larger) extension cords

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  1. 1

    String out the two extension cords to be daisy-chained, so that there are no kinks in the cords.

  2. 2

    Insert the male end of one cord into the female end of the second cord.

  3. 3

    Align the two cords about a foot beneath the connection. Make a large loop with the two cords, then push the connection through the loop and tighten to make a loose knot.

  4. 4

    Plug the male end of one extension cord into the power outlet.

  5. 5

    Connect the tool to be used into the open female end of the daisy-chained extension cord.

Tips and warnings

  • Tying a knot in the cords at the point of the daisy-chained connection will help keep the cords from pulling apart.
  • When extending extension cords, always use larger gauge cords than the tool would normally require. The larger diameter wire will help ensure that the extra cord length will not cause a voltage drop below the level required by the tool.

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