For my current project I am attempting to install a single pole dimmer switch alongside a 3 pole dimmer switch. The single pole controls a set of sconces on the wall while the 3 controls the ceiling lights and travels to other things. I am not sure how to go about it though with so many cables in the box. In the photo below, you will see 5 cables in the box.
top of the box - (left) hot coming from breaker - (right) going to high hats in ceiling
bottom of the box (in no specific order because not certain) - go out to a switch which controls deck lights - laundry room switch controlling ceiling lights - garage ceiling lights -- i know these because these items do not work when wiring is undone and power turned on from breaker.
As you can see below too, I've gone ahead and made sure all ground connections were made.
let me know if any other information is necessary for proper guidance.