How to Wire a Finished Garage

Upgrade wiring the easy way

Required Tools for this Project

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

  • Hammer
  • Miter saw
  • Cordless drill
  • Tape measure
  • Screw gun
  • Drill/driver, cordless
  • Chalk line
  • Nippers
  • Locking pliers
  • Lineman's pliers
  • Drill bit set
  • Electrical tape
  • Extension cord
  • Framing square
  • Hearing protection
  • Pliers
  • Safety glasses
  • Slip joint pliers
  • Shop vacuum
  • Non-contact voltage tester

You’ll also need a stud finder, stepladder, utility knife, voltage tester and 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.

  • Box extender (Raco 187 or similar)
  • 4-in. square x 1-1/2-in.-deep metal boxes
  • 4-in. square raised covers
  • 10-ft. lengths of 1/2-in.
  • PVC conduit
  • Container of PVC electrical conduit glue
  • 1/2-in. PVC male adapters
  • 1/2-in.electrical connector locknuts
  • 90-degree PVC bend with hub
  • 1/2-in. PVC couplings
  • Straps for 1/2-in. PVC
  • Green ground screws
  • White THHN 14-gauge*
  • Black THHN 14-gauge*
  • Green THHN 14-gauge*
  • 1/4-20 x 3-in. two-piece toggle bolts
  • Screw-in drywall anchors
  • 15-amp receptacles
  • 15-amp single-pole switch
  • Light fixtures
  • Bulbs or tubes
  • Wire connectors

* Use 12-gauge wire for 20-amp circuits.

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