How Does a Dimmer Switch Work?
Dimmers use phase-cutting to control bulb brightness, but only you can stop the dreaded flicker.

Dimmers use phase-cutting to control bulb brightness, but only you can stop the dreaded flicker.

Begin by cutting power and testing wires to stay safe. But which common mistake ruins most dimmer installations?

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How to wire a dimmer switch begins with shutting off power. A single misstep can cause a short.