Hi!
I want to start with these FL5150 dimmers and have some questions, hope you can help me.
In the first post's diagram there are two pots inside the red rectangle, I asume that the 250k pot is the main one but can't understand what the 50k pot does. Maybe adjusting when the bulb shuts down?
And would I need a switch for turning down the whole circuit when the bulb is off? Or is it enough just turning the bulb off using the pot.

Thank you guys, hope you could understand what I meant. Still learning English.