Thanks. That sounds reasonable. I do try not to use grounds as
neutrals, if at all possible.

--
Christopher A. Young
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"harry" wrote in message
...

With any three phase sytem (assuming it's symetrical) the line volts
= phase volts divided by root three
ie in your case 440/1.73 =254
This is because the phases are 120 degrees apart.
This is the voltage that would appear between phase and ground or
phase and neutral.
However it's not a good idea to run electrical equipment between
phase and ground as there is a good chance of electrocuting yourself
or someone else. The someone else could be some distance away too.