This old dimmer was in my house for at least 25 years, and finally started doing annoying things, so after replacing it I let my curiosity direct me to looking inside.
Here's the Wikipedia article that I mentioned:
https://en.wikipedia.org/wiki/Quadrac
-----
My tip jar: https://www.patreon.com/pileofstuff
If you are OK with me getting a commission on your purchases, feel free to use my affiliate links:
Ebay: https://ebay.to/33IF7PA
Banggood: http://pileofstuff.ca/r/9ajsf
Some other links to products may be affiliate links
https://odysee.com/@pileofstuff
-----
This isn't the only way to do it.
It's probably not the best way to do it.
But it's how I do it.
