[ill0gicity]

7A doesn't sound right for a full rack. Each rack has its own breaker and those are 15A at the smallest. I suspect the 7A was for a half-rack deal, though those are extremely rare for HE.

[justinclift]

Hmmm, it was a while ago. Maybe it was a half rack thing.

That being said, it turned out to be in one of their oldest data centres that they hadn't been able to upgrade.

So the available power and cooling for each rack wasn't even close to meeting modern server needs.

[jabart]

It could be 7A per leg with two power legs so when one trips you are not at 30A on a 15A breaker.