I reckon most of us will have met or know electricians who have horror stories to tell...
Entered the field while still in high school in 1978, working for a company specializing in field service of DC drives. Working on live circuits was the only way to troubleshoot so...
An experienced co-worker suffered an exploding meter & arc-flash burns that sent him to the hospital for skin grafts to his face & forearms. It wasn't that he didn't know what he was doing--it was the union electrician he was assigned to that connected the leads to the wrong inputs. Shit does happen.