In this video, This Old House master electrician Heath Eastman solves a homeowner’s breaker problem by installing a new basement circuit.

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Master electrician Heath Eastman takes us on a house call to help solve a problem with a tripping breaker. Heath investigates and finds that the circuit has undersized wiring and power cords, and should be on its own breaker. He then installs a new 20-amp breaker and outlet in the basement to solve the issue.

If there are appliances in the basement tripping breakers throughout the rest of the home, there might be an issue with circuits. And the solution might be to install a new breaker, wiring, and outlets. Here’s how to do that.

Where to find it?
Heath identifies why a homeowner’s breaker trips when the dehumidifier is running. After, Heath installs a new basement circuit into the receptacle.

Heath uses an electrical outlet tester [[ Ссылка ]] to see if the existing outlet has ground going to it.

Heath uses a drill [[ Ссылка ]] and pilot drill bit to create a pilot hole in the stone foundation. He then installs a new work metal electrical box [[ Ссылка ]] using screws [[ Ссылка ]]. Heath then uses a cordless jigsaw [[ Ссылка ]] and 1/2-inch offset bender for the conduit pipe.

Heath then runs a 12-gauge wire [[ Ссылка ]] from the new electrical box over to the electrical panel. He secures the wire to the joists overhead using a crown stapler [[ Ссылка ]] and electrical staples [[ Ссылка ]].

Heath replaces one of the fillers on the circuit breaker with an arc-fault circuit interrupter (AFCI) breaker [[ Ссылка ]], which is now required by code in Massachusetts whenever a receptacle is replaced.

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Materials:
Junction box [[ Ссылка ]]
Masonry screws [[ Ссылка ]]
Cable clamps [[ Ссылка ]]
1x6, 1x8, or 1x10 pine boards [[ Ссылка ]]
1 ½ inch wood screws [[ Ссылка ]]
Wire staples [[ Ссылка ]]
20-amp outlet [[ Ссылка ]]
12/2 wire [[ Ссылка ]]
20-amp GFCI breaker [[ Ссылка ]]
Electrical tape [[ Ссылка ]]

Tools:
Voltage tester (pen tester) [[ Ссылка ]]
Screwdrivers [[ Ссылка ]]
Hammer drill and bits [[ Ссылка ]]
Wire strippers [[ Ссылка ]]
Jigsaw [[ Ссылка ]]
Staple gun [[ Ссылка ]]

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About Ask This Old House TV:
From the makers of This Old House, America’s first and most trusted home improvement show, Ask This Old House answers the steady stream of home improvement questions asked by viewers across the United States. Covering topics from landscaping to electrical to HVAC and plumbing to painting and more. Ask This Old House features the experts from This Old House, including general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Jenn Nawada, master carpenter Norm Abram, and host Kevin O’Connor. ASK This Old House helps you protect and preserve your greatest investment—your home.

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How To Install a New Basement Circuit | Ask This Old House
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