Electrical
Get current on the aspects of home electricity, with how to's from planning to installation and beyond.
All About Electrical Systems
A general overview of how electrical systems in the home have dramatically changed and advanced over the years.
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.
How to Install a Dining Room Chandelier
In this DIY Smarts, Heath Eastman installs a chandelier in a homeowner’s dining room.
Understanding Electricity Bills
This Old House home technology expert Ross Trethewey and plumbing and HVAC expert Richard Trethewey discuss electric bill structures.
How to Prep Framing Studs for Hinges, Valves and Fixtures | Generation NEXT
Clearly labeling the locations of hinges, valves, fixtures, and studs for subcontractors is an essential step to keep construction efficient.
How To Block Behind Walls for Cabinets and Fixtures
Wall blocks provide support to cabinets and other heavy items. Read our step-by-step guide to learn how to correctly block behind walls.
Outlet Installation with a Master Electrician
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.
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
Home Safety: Why You Should Conduct an Electrical Audit
Conducting an electrical audit can help prevent potential issues before they arise. In this guide, we show you how to conduct a home audit.
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 Upgrade an Electric Meter and Panel to 200-Amp Service
What's involved in upgrading to a 200 amp service? Master electrician Scott Caron shows the two parts of replacing an old electrical system.
How To Turn an Outlet in Your Home Into a USB Charger
Want to Level up your outlets? Adapt your wall socket to a USB charging station for all of your devices in just a few easy steps.
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.
What You Need to Know About a Career as an Electrician
Electricians work in an exciting industry with constant demand and stimulating challenges. Learn more about what it takes to become one.
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.
23 Things You Didn't Know You Could Fix Yourself
Expand your DIY repertoire and save money by making bathroom, kitchen, and outdoor repairs yourself. Here are 20+ easy fixes you can make.
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