Electrical Videos

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

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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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How to Install Outdoor String Lights

Master electrician Heath Eastman helps a homeowner give her backyard space some charm and coziness with a simple lighting upgrade.
S21 E25, Heath Eastman installs a basement AFCI circuit
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How to Install a Basement Circuit With Simple to Follow Steps

Master electrician Heath Eastman demonstrates how to safely install a new circuit to connect a new space to a home's wiring.
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Understanding Wire Gauges: A Guide to the AWG System

Learn about American Wire Gauge (AWG) sizes, why they matter, and how to choose the right wire gauge for your electrical projects.
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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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Must-Know Christmas Light Safety Tips for the Holiday Season

Master electrician Heath Eastman shows host Kevin O’Connor what he needs to know about holiday light safety, so he can be festive and safe.
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All About GFCI Receptacles: Types and Installation

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

Doorbell not working? Learn how to replace a doorbell—including the chime, wiring, and transformer—with our step-by-step guide.
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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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How to Drill 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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Smart Electrical Panels: The Future of Home Energy Management

Home technology expert Ross Trethewey and master electrician Heath Eastman teach host Kevin O’Connor about smart electrical panels.
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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

Learn how to wire a shed for electricity from master electrician Heath Eastman by following our detailed step-by-step guide.
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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 replaces the circuit breaker at his panel with one that's up to code.
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What’s New With EV Chargers

Master electrician Heath Eastman and home tech expert Ross Trethewey discuss the progression of electric vehicle chargers.
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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

Watch as Ask This Old House Master Electrician Heath Eastman updates a standard receptacle in his own kitchen to one that has USB inputs.
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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.
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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.