How to Install a 3-Way Switch

Convert an existing two-way switch to a three-way switch and run new wire to the second switch location.

  • Save

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

    • Clamps
    • 4-in-1 screwdriver
    • Corded drill
    • Needle-nose pliers
    • Drill bit set
    • Electrical tape
    • Hacksaw
    • Non-contact voltage tester
    • Utility knife
    • Wire stripper/cutter

You'll also need a fishtape. And, if you need to run the cable through finished walls, you'll also need tools for patching and painting the holes in the walls.

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

    • 14-3 or 12-3 cable
    • Three-way switches (2)
    • Remodeling boxes (2)

Shopping List

Back to Top
closeX

Add Your Comment

How to Install a 3-Way Switch

Did you complete this project?

  • Yes
  • No
Please add your comment
Submit Comment Cancel
closeX

Log in to My Account

Log in to enjoy membership benefits from The Family Handyman.

  • Forgot your password?
Don’t have an account yet?

Sign up today for FREE and become part of The Family Handyman community of DIYers.

Member benefits:

  • Get a FREE Traditional Bookcase Project Plan
  • Sign up for FREE DIY newsletters
  • Save projects to your project binder
  • Ask and answer questions in our DIY Forums
  • Share comments on DIY Projects and more!
Join Us Today
closeX

Report Abuse

Subject
Reasons for reporting post
Report Abuse Cancel
Save and organize projects in your Project Binder with a FREE Membership! Join today»

Free OnSite Newsletter

Get timely DIY projects for your home and yard, plus a dream project for your wish list!