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