circuit breaker replacement

https://ace-wiki.win/index.php/What_to_Know_Before_You_Start_a_Home_Rewiring_Project

So your circuit breaker keeps tripping, huh? Replacing it is a pretty straightforward job, but you've got to be careful. First, flip the main breaker to kill all power to the panel. Then, pop off the dead front cover, unscrew the old breaker from the bus bar, and carefully pull it out. Snap in the new breaker, making sure it's the exact same amperage rating, tighten everything back up, and restore power. It's a solid DIY fix for a tripping circuit, but if you're unsure about the wiring or the b…