Yep - a co-worker at a job years ago got caught in the bathroom during a power failure, and tried to grope his way out. Ended up slipping and breaking his arm rather badly, if I remember correctly, and missing like three months of work! One reason I have my little LED light on my person at all times! I don't know if I could live down the indignity of telling people, Yeah, one arm is shorter than the other because I fell in the crapper duing a blackout!