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I learned to go for the big black cables. They’re power, strong, and (usually) redundant.

And if you killed the rack? Ah, well, just monkeytesting showing a configuration error. (Bombcar’s law: any dual powered rack will have one critical component that is powered from one rail only.)

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> Bombcar’s law

OT, but I saw the electrical plans for a hospital. In theory, every life saving device has at least two potential power sources, and each source has both a generator (for long outages) and battery backup (for blips).

In practice, we hope there are no earthquakes.

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