Home wiring experts - need help, questions on wiring and code

Non-radio wiring question for those who know 110v electrical code - really appreciate any help to know if I did this whole thing to code or the right way for that matter.

So I consider myself pretty savvy when installing radios and all things DC, but when it comes to home wiring I’m a little more careful so I’d like to make sure I’m during everything properly and to code.

I bought a security camera that had all the features I wanted (ebay – Chinese PTZ model) and it came with a...

Home wiring experts - need help, questions on wiring and code