A smart dimmer switch might have a secondary control—a vertical slider or a horizontal rocker—for adjusting brightness ・Toggle A toggle switch operates by moving a lever up and down ...

The controller is intended to be mounted on the wall ... is part of TechHive’s in-depth coverage of the best smart dimmers ...

Is there a neutral wire in the box? Many smart switches and dimmers require the presence of a neutral wire in the electrical box inside the wall, in addition to the line (power from the circuit ...