On the top, we have one of ours. Perfect in everyway when it comes to the wiring, and placement. Flawless in every aspect, everything measured and sitting at right angles with a perfect hole from the ceiling down.
On the bottom, someone who either has no idea or simply couldn't give a shit. Possibly both. Not sure who's home this is, but it perfectly highlights what solar is all about.
You're not buying a car, your buying the pieces. Who puts it together will determine whether you have a Toyota or a Alfa!
Do it once and do it right...