"Harold and Susan Vordos" wrote in message
...

"Pete C." wrote in message
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Harold and Susan Vordos wrote:
snip----

That's how everything used to be and I believe both the wild leg and
open delta configurations were primarily used as a way to save
transformer costs.

Regardless of reason, machine shops are typically provided with this
service. The higher voltage is very desirable, and in some cases
mandatory.
I question your logic about saving transformer costs if individual
machines
would require buck/boost transformers. Between the area required to
store
them, and the increased cost of labor for installing them, seems to me
it's
a terrible waste of money when it can be dealt with by installing the
delta
system instead of the wye.

It's the power co that saves on the transformers, not you. You get to
supply the buck/boost transformers if you want them! Also the buck/boost
transformers are on your side it the meter so you get to pay to keep them
warm ( this is not as bad as keeping the big ones hot though)


William....