Ask This Old House
Episode S24E14

3-Way Switch, Split Rail Fence

February 5, 2026
25 min

Synopsis

Mauro and Kevin show how to test for lead paint. Heath breaks down how-way switches work and common wiring mistakes. Nathan and Lee install a classic wooden split rail fence to prevent cars from parking on a homeowner's front lawn.

Season 24 • Episode 14
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Season 24 • Episode 14 of 22