Electrical Videos

Ask This Old House master electrician Heath Eastman explains the purpose of a ground wire and then grounds an outlet for a homeowner.

Ask This Old House master electrician Heath Eastman explains a few different methods for hooking up a portable generator to a house.

Ask This Old House master electrician Heath Eastman replaces a standard toggle switch with a reproduction antique push button switch to match the rest of the house

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

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

Ask This Old House plumbing and heating expert Richard Trethewey discusses which houses are the best fit for an electric tankless water heater

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 demonstrates how fuses and circuit breakers protect a home.

In this video, electrician Scott Carson walks you through how to add an electrical outlet without damaging your walls.

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 to power hardwired appliances like a well pump and heating system using unleaded gasoline

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 looks at 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

Ask This Old House host Kevin O'Connor helps a homeowner fix a faulty three-way switch

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

This Old House host Kevin O'Connor describes how to combat power outages with a standby generator

Ask This Old House lighting expert Scott Caron gives Kevin a tutorial on electrical testers to make sure you never work on live wires

Electrician Scott Caron installs several types of surge protection

Electrician Scott Caron hangs a flat-screen TV on the wall and conceals all the wiring

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

This Old House host Kevin O'Connor works with an electrician to help a couple add task lighting to their dark kitchen

Ask This Old House electrician Scott Caron demonstrates how to install recessed light fixtures in a finished ceiling

Upgrading to a convenient front-door intercom with This Old House host Kevin O'Connor and electrician Scott Matthews

Master electrician Scott Caron shares tips for preventing shocks and electrocution

Providing an outlet for high-powered tools and appliances with master electrician Allen Gallant

This Old House host Kevin O'Connor shows how to keep the electricity flowing during power outages

Master electrician Allen Gallant shows how to install a ceiling-mounted track lighting system. We show you the costs involved and offer a step-by-step process.

This Old House general contractor Tom Silva shows how to snake wires through walls for a pair of outdoor speakers