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Company that made power systems for servers didn’t know why its own machines ran out of juice
(www.theregister.com)
A community dedicated to the profession of IT Systems Administration
That's some appalling wiring practices to have equipment like that even able to be disconnected.
That's what happens when you let handyman Billy Bob do your electrical work.
"Oh look, here's a random wire coming from God knows where. We'll just tie into that. Easy Peezy."