Electrical Videos
These This Old House videos showcase all of our electrical projects, how-tos, and designs.
How to Ground a Two-Prong Electrical Outlet
Ask This Old House master electrician Heath Eastman explains the purpose of a ground wire and then grounds an outlet for a homeowner.
How to Wire a Portable Generator
Ask This Old House master electrician Heath Eastman explains a few different methods for hooking up a portable generator to a house.
How to Install an Antique Light Switch
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
Understanding Electricity Bills
Ask This Old House home technology expert Ross Trethewey and plumbing and HVAC expert Richard Trethewey discuss changes to electric bill payment structures.
Ask TOH Know-How: A Device That Makes “Sense”
In this episode, Ross learns about a super-savvy energy expenditure monitoring device that can help homeowners conserve energy—and save money
TOH Know-How: A Smarter Panel for Easier Electrical Installation
At the TOH 2018 Idea House, electrician Ben Giles shows Kevin O’Connor the innovative and intuitive new load center from Leviton
Best Uses for an Electric Tankless Water Heater
Ask This Old House plumbing and heating expert Richard Trethewey discusses which houses are the best fit for an electric tankless water heater
How to Install Rough Electricity in New Construction
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
How Fuses and Circuit Breakers Work
Ask This Old House electrician Scott Caron demonstrates how fuses and circuit breakers protect a home.
Adding an Outlet to a Room
In this video, electrician Scott Carson walks you through how to add an electrical outlet without damaging your walls.
The Importance of Surge Protection
Ask This Old House master electrician Scott Caron demonstrates how surge protection safeguards a home’s appliances and electronics.
How to Install a Manual Transfer Switch for a Portable Generator
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
How to Run Electricity to a Shed
Electrician Scott Caron shows us how he powers an outbuilding—which takes wiring knowledge as well as lots of digging.
How to Choose Wire Nuts for Your Projects
Ask This Old House master electrician Scott Caron explains the differences between wire nuts of various sizes and colors.
How to Install a Wireless Light Switch
Add a wireless light switch to an existing circuit by following the steps in this how-to video.
How to Diagnose and Repair Three-Way Switch Problems
Ask This Old House master electrician Scott Caron looks at a three-way switch issue and fixes the problem.
How to Conceal Electrical Wires with Crown Molding
Ask This Old House master electrician Scott Caron uses crown molding to conceal wiring and bring more electrical outlets to a bedroom
How to Do Electrical Projects with Two Tools
Scott Caron, master electrician for Ask This Old House, explains how two tools are all it takes to do many electrical projects
How to Install Track Lights and Speakers
Scott Caron, master electrician for Ask This Old House, installs LED track lights and LED track lights with Bluetooth speaker technology to brighten up a loft bedroom
How to Repair a Three-Way Light Switch
Ask This Old House host Kevin O'Connor helps a homeowner fix a faulty three-way switch
How to Choose a USB Outlet
Electrician Scott Caron walks through the best options when it comes to USB wall outlets in your home
How to Install an Automatic Standby Generator
This Old House host Kevin O'Connor describes how to combat power outages with a standby generator
How to Select Electrical Testers
Ask This Old House lighting expert Scott Caron gives Kevin a tutorial on electrical testers to make sure you never work on live wires
How to Install Surge Protection
Electrician Scott Caron installs several types of surge protection
How to Hang a Flat-Panel TV with Concealed Wiring
Electrician Scott Caron hangs a flat-screen TV on the wall and conceals all the wiring
How to Run Underground Wiring to a Garage
Electrician Scott Caron shows a homeowner how to bring power to a detached garage
How to Add Task Lighting to a Kitchen
This Old House host Kevin O'Connor works with an electrician to help a couple add task lighting to their dark kitchen
How to Install Recessed Lighting in a Kitchen
Ask This Old House electrician Scott Caron demonstrates how to install recessed light fixtures in a finished ceiling
How to Install a Front Entry Intercom
Upgrading to a convenient front-door intercom with This Old House host Kevin O'Connor and electrician Scott Matthews
How Electrical Circuit Breakers and GFCIs Protect a Home
Master electrician Scott Caron shares tips for preventing shocks and electrocution
How to Connect a 220-Volt Receptacle to a 20-Amp Breaker
Providing an outlet for high-powered tools and appliances with master electrician Allen Gallant
How to Install a Transfer Switch for a Portable Generator
This Old House host Kevin O'Connor shows how to keep the electricity flowing during power outages