One thought on “Dimmer Switch Rheostat”

1. The black rectangle on the right riveted to the aluminum is a Triac. This works by phase control. The knob is turning a potentiometer that is connected to just be a variable resistor.

   Report comment

   Reply

Please be kind and respectful to help make the comments section excellent. (Comment Policy)

This site uses Akismet to reduce spam. Learn how your comment data is processed.