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Get current on the aspects of home electricity, with how to's from planning to installation and beyond.


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

Power-Outage Essentials

Expert picks for what you should have on hand in case the lights go out during stormy weather season


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


How to Install Track Lighting With Ease

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.


How to Upgrade an Electric Meter to 200-Amp Service

Master electrician Scott Caron shows the first phase of replacing an antiquated electrical system


How to Upgrade an Electrical Panel to 200-Amp Service

Master electrician Scott Caron installs a new panel to complete a service upgrade


How to Mark for Electrical Boxes When Hanging Drywall

This Old House general contractor Tom Silva shares some tricks-of-the-trade for accurately marking drywall cutouts


How to Add an Electrical Outlet

Master electrician Allen Gallant powers up a new outlet

How to Hang a Flat-Screen TV

Hide unsightly electrical cords the right way


How to Monitor Electricity Use

Saving electricity—and loads of money—with energy efficiency expert Paul Scheckel

How to Rewire a Vintage Entry Lantern

Hung in a front entry or a cozy corner indoors, these pendant-style fixtures cast a soft ambient light that's both charming and inviting

How to Rewire a Lamp

A few inexpensive supplies and the right connections can make an old lamp new again


How to Replace a Three-Way Switch

Pro tips for finding—and replacing—a faulty three-way light switch

Power to the Pumps

How to safely get electricity to outdoor water features

Protecting Old Wires

Preventative steps to help you avoid bigger problems in the future

Power on Demand: How It Works

In the wake of storms and blackouts, standby generators keep your house in business


How to Install a Stand-by Generator

In this how-to video, This Old House host Kevin O'Connor explains how to install a whole house stand-by generator.

Hiding Speaker Wires

How to snake speaker wires through walls

From the Ground Up: Electrical Wiring

Setting up an electrical system for maximum safety and convenience

Backup Power

When the electricity goes out, standby generators keep the household running

How GFCI Receptacles Keep You Safe

Two-thirds of all electrocutions in U.S. homes could be prevented if people installed the receptacles.

Suppressing the Surge

Think your PC or home theater is safe from getting zapped? Guess again.

Electrical Upgrades, Part 2

The second home wiring project in our series can make your workshop projects a lot easier. Add outlets in the garage to get the power where you need it.

Future-proof Wiring

Feeding your home's ever-growing need for information-carrying capacity

Transfer of Power

A portable gas-fired generator and a transfer switch will keep your house up and running while your neighbors remain in the dark.