[aidos]

I worked at a place that hosted the servers in-house. They even built a special little air-conditioned room and put a generator on the roof. I never knew all the details but there was dual everything, 2 lines coming in, stuff to switch between them, nothing could possibly go wrong... until the day it did. Turns out someone has plugged all the machines into a single extension cable, and the fuse popped.

[walshemj]

Even the big boys do that in the big storm of 87 in the uk Telecom Gold (an early online service) was quite proud that the UPS kicked in - only to realize that the modems that linked to the x.25 network where not on the UPS :-)