It's in a hospital here, which is running on 277/480.
but the Verizon site we're powering runs on plain old single phase so the secondary is 120/240.
The building is pretty impressive. The wire pull from the switchgear to that massive block was almost 800 feet.
The transformers in the main electrical room are the size of one of @jawhn 's Xbs
The low grade hum/buzz that comes from the things is enough to make you motion sick after a while!
I was laughing to myself thinking that people complain about the noise from Midway games.
It's kind of the same I suppose, except it's like there's 10,000 of them.