What is the Actual Household Voltage - 110, 115, 120, 220, 240?

MaxHeadRoom

Joined Jul 18, 2013
28,619
This evolved to 120/207 VAC. This is a Y connection, 120VAC to ground and 207 P2P along with 277/480 VAC
This very old, beaten to death subject, is on N.A. residential power, Nothing to do with Y connections.
Single phase transformer with centre tapped secondary!
Max.
 
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