Electrical

In this DIY Smarts, Heath Eastman installs a chandelier in a homeowner’s dining room.

This Old House home technology expert Ross Trethewey and plumbing and HVAC expert Richard Trethewey discuss electric bill structures.

Clearly labeling the locations of hinges, valves, fixtures, and studs for subcontractors is an essential step to keep construction efficient.

Look over the shoulder of electrician Heath Eastman as he installs an electrical outlet in our Brookline project house to learn a few tricks of the trade.

At the TOH 2018 Idea House, electrician Ben Giles shows Kevin O’Connor the innovative and intuitive new load center from Leviton

An electric tankless water heater can save you space, heat on demand, and reduce the risk of water damage. Read more about these devices in our guide.

Ask This Old House master electrician Scott Caron helps a homeowner wire her new basement that she’s in the process of turning into finished space

Ask This Old House electrician Scott Caron provides a deep dive into how fuses and circuit breakers protect a home.

In this guide, electrician Scott Carson walks you through how to add an outlet to a room, plus important things to keep in mind along the way.

Ask This Old House master electrician Scott Caron demonstrates how surge protection safeguards a home’s appliances and electronics.

Ask This Old House master electrician Scott Caron visits Alaska to install a portable generator with a manual transfer switch.

Electrician Scott Caron shows us how he powers an outbuilding—which takes wiring knowledge as well as lots of digging.

Ask This Old House master electrician Scott Caron explains the differences between wire nuts of various sizes and colors.

Add a wireless light switch to an existing circuit by following the steps in this how-to video.

Ask This Old House master electrician Scott Caron diagnoses a three-way switch issue and fixes the problem.

Ask This Old House master electrician Scott Caron uses crown molding to conceal wiring and bring more electrical outlets to a bedroom.

Scott Caron, master electrician for Ask This Old House, explains how two tools are all it takes to do many electrical projects

Take a crash course in DIY home electrical work with our easy to follow step-by-step guide on how to repair a three-way light switch.

Electrician Scott Caron walks through the best options when it comes to installing useful USB wall outlets in your home.

Looking for a way to keep your power on during outages? Our guide contains everything you need to know to install an automatic standby generator

Worried about electrical safety? Read our guide on electrical testers to make sure you don't risk touching a live wire.

Electrician Scott Caron demonstrates how to install several types of surge protection to keep a home safe from electrical shocks and fires.

Electrician Scott Caron explains how to hang a flat-screen TV on the wall and conceal all the wiring in this helpful video and guide.

Electrician Scott Caron shows a homeowner how to bring power to a detached garage

Task lighting can transform your kitchen from a gloomy space to one flooded with light. Find out how to install task lighting here.