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How to Wire an Outlet

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Published February 28, 2025

Running electrical wires behind your walls is a great way to add an additional outlet or switch right where you need it. This guide explains how to wire an outlet and provides steps for running basic nonmetallic (NM) electrical wire behind the walls.

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Difficulty:

Advanced

Duration:

Over 1 day

Project Guide
Home Improvement Ideas
Electrical Wiring
Wiring

Table of Contents

  1. Turn Off the Electricity

  2. Mark for the Electrical Box

  3. Drill a Hole in the Ceiling or Floor

  4. Cut the Opening for the Electrical Box

  5. Run the Cable

  6. How to Wire an Outlet Past a Fire Block