Replacing a light switch is very easy. There are a few different kinds. Before installation, make sure to turn off the power.
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How to Install a Dimmer Switch
We show the single switch but there are also three-way dimmers, CFL and LED dimmer switches. The post How to Install a Dimmer ...
Two leading contenders in this market are Leviton's Decora Smart Wi-Fi ELV/LED Phase-Selectable ... Leviton's dimmer also ...