Electrical Videos
These This Old House videos showcase all of our electrical projects, how-tos, and designs.
How To Install a USB Outlet | This Old House: Live
Watch as Ask This Old House Master Electrician Heath Eastman updates a standard receptacle in his own kitchen to one that has USB inputs.
How To Wirelessly Connect Multiple Light Switches in Your Home
Ask This Old House master electrician Heath Eastman helps a homeowner connect four separate switches to control six lights in the same room.
How To Ground a Two-Prong Electrical Outlet
Ungrounded outlets pose a serious safety hazard. Learn how to identify ungrounded outlets and ground a two-prong electrical outlet.
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 in Your Home
Ask This Old House master electrician Heath Eastman replaces a standard toggle switch with a reproduction antique push button switch.
Understanding Electricity Bills
This Old House home technology expert Ross Trethewey and plumbing and HVAC expert Richard Trethewey discuss electric bill structures.
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: A Guide
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.
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 provides a deep dive into how fuses and circuit breakers protect a home.
How To Add an Outlet to a Room
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.
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.
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 diagnoses 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 Repair a Three-Way Light Switch for Your Fixtures
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.
How To Choose The Perfect USB Outlet for Your Home
Electrician Scott Caron walks through the best options when it comes to installing useful USB wall outlets in your home.
How To Install an Automatic Standby Generator
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
How To Select Electrical Testers
Worried about electrical safety? Read our guide on electrical testers to make sure you don't risk touching a live wire.
How to Install Surge Protection To Keep Safe form Electricity
Electrician Scott Caron demonstrates how to install several types of surge protection to keep a home safe from electrical shocks and fires.
How To Hang a Flat-Panel TV with Concealed Wiring
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.
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
Task lighting can transform your kitchen from a gloomy space to one flooded with light. Find out how to install task lighting here.
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
Learn how to upgrade 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 discusses electrical circuit breakers, AFCIs and GCIS, and shares tips for preventing shocks and electrocution.
How To Connect a 220-Volt Receptacle to a 20-Amp Breaker
In this guide, electrician Allen Gallant shows you how to connect a 220-volt receptacle for high-powered tools and appliances.
How To Install a Transfer Switch for a Portable Generator
Looking to keep electricity flowing to essential appliances during a power outage? Read our guide on how to install a transfer switch.