26 recaps
Electrical recaps are episodes tagged with electrical work, including wiring, electrical safety, and three-way switches. Near-duplicate wiring tags are grouped onto this page. Knob-and-tube keeps its own page once enough episodes carry that tag.
Ask This Old House · S25 E2
Heath Eastman rewires a basement so one switch doesn't run one lonely bulb, Lee Gilliam patches a snowplow scar with fresh sod, and the crew names an orange deck-board spacer in What Is It?
This Old House · S48 E2
Zack Dettmore builds a job-site command center before demo starts, two cartouche window sashes get chiseled free, Heath Eastman sorts three generations of wiring in one basement, and Kevin follows a lumber order from a Newark yard to the curb.
Ask This Old House · S24 E26
Heath Eastman gives Joanna a real outdoor TV setup: a weatherproof enclosure with thermostat-controlled fans and a new receptacle on a dual-function AFCI/GFCI breaker. Kevin O'Connor, Tom Silva, and Zack Dettmore walk through renovation prep, and Mark McCullough swaps a crumbling fire pit for four granite slabs set dry on compacted crushed stone.
This Old House · S47 E26
Season 47 closes in Walpole with a double move-in: Dan and Jill take the renovated ranch, Jill's parents Ed and Regina take the ADU. Richard Trethewey walks the shared-utility math, Tom Silva asks Walpole's first ADU builders the hard planning questions, and Kevin O'Connor tours Dan's C-130 at Quonset.
This Old House · S47 E25
A 21-inch blizzard doesn't stop the Walpole ranch and ADU. Kevin traces luxury vinyl plank from PVC and limestone through digital printing and an aluminum oxide wear layer, Jay's crew clicks it through the ADU, Zack Dettmore and Adrian assemble MDF wainscoting in the mudroom, and Sean wires 12 smart switches, including one that floods every exterior light at once.
This Old House · S47 E22
In Walpole, Kevin and GC Kevin open the old ranch wall while Tom Silva ties a 2x4 interior wall into a 2x6 exterior wall and Richard Trethewey watches plumber Bob lay out shared ADU drains with landscape flags. Sean Brennan buries a new 400-amp service for two meters, then Kevin tours Atlanta ADUs built in garages, new construction, and a Decatur loft.
Ask This Old House · S24 E21
Heath Eastman and homeowner Jeff run a 60-amp feeder from the house panel to a new shed, with Ryan trenching, sand-bedded PVC conduit, two ground rods, and traceable caution tape. Mauro Henrique lays out the painting tools he actually reaches for, and Kevin hosts Compost or Dispose It with Richard Trethewey and Jenn Nawada.
This Old House · S47 E21
Dan and Jill's 1971 Walpole ranch kicks off Season 47's final project with a 900-square-foot ADU for Jill's parents. Tom Silva catches a garage foundation that came up ten inches short of local frost depth, Richard Trethewey stares down an oil boiler that has to serve two households, and Jenn Nawada plans a yard built for kids, grandparents, and one shared fire pit.
This Old House · S47 E19
In Needham, Charlie reinstalls the original china cabinet in the new dining room, Jaclyn walks through a powder room that survived three wallpaper rounds, Heath Eastman explains primary bath lighting and blocking, the ducts get cleaned after construction, and Tom Silva cuts a mortise into the original Southern yellow pine front door.
Ask This Old House · S24 E18
Nathan Gilbert and New Orleans carpenter Scot replace rotten Bywater shutters in Spanish cedar under historic-district rules, Jenn Nawada and Lee Gilliam decode NPK and organic versus synthetic fertilizer with Kevin, and Heath Eastman swaps battery detectors for interconnected hardwired smoke and CO alarms after a fire chief walks through placement.
This Old House · S47 E18
Heath Eastman and tile installer Mike O'Neil lay electric floor heat under tile, Kevin tours a Chatham cabinet shop, Mauro repaints salvaged butler's pantry cabinets, and Tom boxes in ductwork behind built-in bookcases.
This Old House · S47 E16
Charlie tours a Springfield trim factory, Tom explains why there should be air behind your siding, and the new deck gets composite tongue-and-groove boards. Plus: a kitchen mock-up that's smarter than it looks.
Ask This Old House · S24 E14
Mauro Henrique shows why speed beats any cleaner when paint hits the floor, Heath Eastman finally makes three-way switches click with a switch he built himself, and Nathan Gilbert and Lee Gilliam build a split rail fence that stops cars and looks good doing it.
This Old House · S47 E10
Kevin tours a Georgia carpet factory (it's more interesting than it sounds), Miah's kitchen island gets a butcher block top, and the North Asheville boulder wall gets planted with succulents.
Ask This Old House · S24 E9
Nathan Gilbert helps an expectant mom tame garage chaos with a 600-pound-rated ceiling rack and heavy-duty shelving. Heath Eastman sorts out the traveler-wire puzzle behind three-way smart switches. Richard Trethewey opens up a neglected water heater and shows why the anode rod matters—and what happens when you ignore it for eight years.
Ask This Old House · S24 E6
Jenn Nawada visits a Rhode Island sod farm to see wildflower mats and sheep's fescue, Tom Silva explains nail heads and shanks, and Heath Eastman lights a dark driveway with landscape fixtures, an oversized transformer, and smart controls.
This Old House · S47 E6
A carpentry teacher's students are building actual houses for storm victims, new electrical codes demand bigger meters, and Tom Silva helps turn an antique chest into a bathroom vanity — and somehow makes it look easy.
Ask This Old House · S24 E4
Kevin O'Connor gets a decibel demo from an audiologist: a miter saw over 100 dB, a drill around 85, and hammer strikes peaking above 120. Then Richard Trethewey, Heath Eastman, and Nathan Gilbert turn a bathroom closet into a first-floor laundry for Jim and Michele, with new 20-amp and 30-amp circuits, a 2-inch drain, a relocated thermostat, and a hallway door. The part TV compresses: getting the vent, valve box, wiring, and framing to share one wet wall.
Ask This Old House · S24 E2
Lee Gilliam rebuilds a coastal Massachusetts driveway with reclaimed stone edging and a 3-inch layer of local shells, keeping the hardpack base intact. Ross Trethewey and a certified mitigator diagnose a 100-year-old slab with grab samples and a manometer, then install a sub-slab depressurization system with an exterior fan wired by Heath Eastman.
This Old House · S47 E2
A meteorologist explains how the Blue Ridge Mountains turned Hurricane Helene into a rain machine, while the crew starts ripping out walls, replacing panels, and prepping for the long road ahead.
Ask This Old House · S24 E1
Heath Eastman tours a New Orleans copper lantern shop, then installs hand-riveted electric fixtures on a double shotgun with a local electrician. Richard Trethewey uses a cutaway to explain why a second flush is usually the wrong move, and Mauro Henrique preps, spot-primes, and DTM-paints a 15-year-old metal patio set.
Ask This Old House · S23 E16
Mauro Henrique teaches a homeowner to paint unfinished stair treads and a handrail, Heath Eastman restores buried sconce boxes above a fireplace, and the crew empties their bags for a tool talk. One job finishes a surface the homeowner already started; the other recovers lighting a previous owner covered up.
Ask This Old House · S23 E12
Richard Trethewey converts a smoky wood-burning fireplace to a sealed gas insert with a crew of licensed trades, Nathan Gilbert installs flat panel wainscoting in an old dining room, and Tom Silva stumps the table with a spring-loaded nail set.
Ask This Old House · S23 E9
Mark McCullough rebuilds a self-installed pandemic paver patio by fixing the base, the pitch, and the drainage path. Nathan Gilbert walks Kevin O'Connor through fiberglass and aluminum ladders, and Heath Eastman adds a Level 2 EV charger to Nadia's garage without a service upgrade.
Ask This Old House · S23 E6
A practical exploration of Season 23 Episode 6 featuring Jenn's drainage solutions, Kevin Cradock's carpentry showcase, and Heath's ceiling fan installation with proper electrical safety.
Ask This Old House · S23 E20
Lee Gilliam compares dethatching rakes and core aeration timing, Heath Eastman installs a smart energy monitor at a 1875 house to track a winter bill spike, and Tom Silva walks Kevin through router bases, bits, and depth stops. The monitor finds no fault, which turns out to be the useful answer.
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The layout, cutting, and fastening tools that actually show up in This Old House trim segments, and the miter method that replaces a compass and a sliding bevel.
What to do in the first minutes after water-based paint hits a rug, a finished floor, or tile, and which solvent the demonstration actually used once the paint had dried.
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