20 Apr
1999
20 Apr
'99
7:13 p.m.
Tony wrote:
No. The US mains is 234V centre-tapped. It's not
part of a 3-phase system
(at least not normally)
Except in the sense that the incoming "single phase" power is derived
from two out of three phases somewhere higher up in the
distribution
hierarchy. The utility company doesn't generate different
"single phase"
power for residential customers.