Grab some some zip ties to fix stripped-out screw holes on an electrical box.
Fixing a Screwy Electrical Box
How to Fix a Screwy Electrical Box
I recently had to deal with a loose receptacle inside a plastic electrical box. It turned out the screw holes in the box were stripped. To fix the problem, I slipped small zip ties into the stripped holes, which allowed me to tighten the screws until snug. — Stan Stegelman