How to Install Dimmer Switches

Old electrical box too small? Here's how to solve that problem and install a new dimmer switch.

Required Tools for this Project

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

  • 4-in-1 screwdriver
  • Needle-nose pliers
  • Electrical tape
  • Hacksaw
  • Drywall saw
  • Non-contact voltage tester
  • Utility knife
  • Wire stripper/cutter

Required Materials for this Project

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

  • Dimmer switch
  • Remodeling box
  • Wire connectors

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