Designing an RV solar system always looks clean on paper. You measure your panels. You sketch the layout. Everything fits perfectly. Then you climb up on the roof. And there it is. A vent stack sitting exactly where your panel needs to go. Or the front AC unit is positioned just far enough back that your standard Z brackets will not clear it. That is usually when someone asks, “Can I just cut the vent stack shorter?” No. That is not the solution. Why You Should Never Cut a Ve