
Those Shelly diagrams are confusing because it’s not clear that the diagram is the external connections. I’m used to seeing it the other way-
The SW looks an awful lot like a relay contact that is internally connected to line. Little harm wiring that wrong.
That O terminal looks like a coil that needs a L connection to energize it cause the other side is already connected to N, let’s put some power to it through my switch!
housefire.webp
Here’s how it should be visualized
https://www.forbes.com/sites/jeremybogaisky/2025/05/14/qatar-747-trump/
https://www.newsweek.com/qatar-gift-trump-unsold-plane-2072564
Best I can find, and they’re not very good