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Before you attempt to fix a faulty light switch, make sure you understand the basics of light switch wiring.

Dear Tim: I have a chance to take a $250 course on electrical wiring. The course covers how to change outlets, switches, light fixtures, rewiring circuits, etc. I’m terrified of electricity and use a ...

Switches controlling line-to-neutral loads must have a neutral conductor installed at a switch serving bathrooms, hallways, stairways, or rooms suitable for human habitation or occupancy, as defined ...