Electrical Videos

These This Old House videos showcase all of our electrical projects, how-tos, and designs.

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How to Troubleshoot a Dimmer Switch

Master electrician Heath Eastman helps a homeowner fix flickering lights controlled by a dimmer switch. Heath shows us the most common issues that homeowners can run into with their dimmer switches.
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Why Do Circuit Breakers Trip?

Master electrician Heath Eastman shows host Kevin O’Connor everything he needs to know about why and how breakers trip.
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7 Electrical Safety Tips for Holiday Lights

Master electrician Heath Eastman shows host Kevin O’Connor what he needs to know about holiday light safety.
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Everything to Know About GFCI Receptacles

Master electrician Heath Eastman teaches host Kevin O’Connor everything he needs to know about ground fault circuit interrupters.
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How to Replace a Doorbell

Master electrician Heath Eastman helps a homeowner solve an old problem: locating and replacing doorbell components and wiring.
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Electrical Vehicle Chargers Explained

Master electrician Heath Eastman teaches This Old House host Kevin O’Connor everything he (or anyone else) needs to know about choosing an electric vehicle charger for their home.
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Tool Lab | Drilling Into Studs for Electrical Wiring

Master electrician Heath Eastman explains how pros drill through studs for running wires through wood-framed walls.
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How to Install an Electrical Receptacle on a Kitchen Island

Master electrician Heath Eastman solves a problem for a homeowner by adding an outlet to her new kitchen island.
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How Heath Eastman Became an Electrician

This Old House Master Electrician Heath Eastman explains how chance brought him to the electrical trade and the This Old House crew.
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How to Move a Light Fixture

Master electrician Heath Eastman helps a homeowner with an askew light fixture, centering it over their dining room table.
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Tool Lab | Basic Electrical Tools

Master electrician Heath Eastman walks us through his favorite electrical hand tools that all DIYers should own.
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Understanding Smoke and Carbon Monoxide Detectors

This Old House master electrician Heath Eastman teaches host Kevin O’Connor everything he needs to know about these fire safety devices.
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Understanding Smart Electrical Panels

Home technology expert Ross Trethewey and master electrician Heath Eastman teach host Kevin O’Connor about this new wave of electrical technology.
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Understanding Battery Voltages | Tool Lab

In this Tool Lab video, master electrician Heath Eastman explains everything we’ve wanted to know about today’s power tool batteries.
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Understanding Switch Leg Wiring

Master electrician Heath Eastman explains a common issue he finds in many folks’ homes—switch leg wiring—and explains how to fix it.
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Why Heath Loves Electrical Finish Work

Master electrician Heath Eastman explains which phase of an electrical project he loves the most.
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How To Use an Electric Voltage Tester

Host Kevin O’Connor and master electrician Heath Eastman discuss the different uses for voltage testers and test some of Heath’s favorite models.
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How to Wire a Shed for Electricity

Master electrician Heath Eastman helps Mason Mark McCullough wire his chicken barn for lights and power.
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Top 7 Tools for Electrical Projects

Master electrician Heath Eastman shows host Kevin O’Connor the tools he uses the most during day-to-day electrical work.
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How to Install an AFCI Circuit Breaker

Ask This Old House master electrician, Heath Eastman, wraps up an electrical project he started over a year ago by replacing the circuit breaker at his panel with one that is up to code.
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What’s New with EV Chargers

Ask This Old House master electrician, Heath Eastman, and home technology expert, Ross Trethewey, discuss the progression of electric vehicle chargers and the role they imagine EV chargers will play in homes in the future.
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Open House | Electrical Inspection

Ask This Old House Master Electrician, Heath Eastman, explains what to look for during a home electrical inspection.
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How to Fix Flickering Lights in Your House

Ask This Old House Master Electrician Heath Eastman demonstrates a variety of ways to troubleshoot and repair flickering lights.
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How to Replace a Lamppost

Master electrician, Heath Eastman helps a homeowner replace his front lamppost with some hilarious code violations with a new post.
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How to Install Outdoor Landscape Lighting

Heath Eastman demonstrates how to install landscape lighting along a garden path. Adding landscape lighting to a walkway or path can improve the look and experience of the area.
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How to Safely Hang Outdoor Christmas Lights

In this DIY Smarts, This Old House Master Electrician Heath Eastman helps a homeowner safely install a variety of Christmas lights.
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Protect Your Home From Electrical Damage | This Old House: LIVE!

This Old House master electrician Heath Eastman discusses the anatomy of arc-faults and demonstrates how Leviton’s AFCI receptacles can detect these electrical hazards and protect your home from fire and damage.
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How to Install a USB Outlet | This Old House: Live

Ask This Old House Master Electrician Heath Eastman upgrades a standard receptacle to one that has USB inputs as part of This Old House: Live—an initiative providing daily programming and opportunities to connect with our experts during these challenging times.
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How to Wirelessly Connect Multiple Light Switches

Ask This Old House master electrician Heath Eastman helps a homeowner connect four separate switches that control six lights in the same room
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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.
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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.
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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
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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.