The OP question is if one leg to ground provides 120 volts to run a
device like a vacuum cleaner, or pressure washer.
Would it run a vacuum cleaner?
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"George" wrote in message
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On 5/30/2010 3:25 AM, harry wrote:
I did. You didn't describe that limitation but you could still be a
long
way from completely wrong with only a meter if you only had access
to
the phase legs. Since a "Y" connection neutral is always bonded to
ground I could still get the same readings I described by placing
one of
the meter probes on ground.- Hide quoted text -
- Show quoted text -
But you still wouldn't know whether it was star or delta connected.
Consider the readings you would get if it were one or the other.