The answer to 'dimmer switch hot to touch' is that a dimmer switch that is hot to the touch is typically a sign of an electrical issue. This could be caused by a faulty or overloaded dimmer switch, loose wiring, or an overheated light bulb.
Some common symptoms of a hot dimmer switch include the switch feeling warm or hot to the touch, flickering or dimming lights, and the potential for sparks or burning smells. If you experience a hot dimmer switch, it's important to address the issue promptly to prevent potential fire hazards or further damage to your electrical system.