Agent Orange: Friendly fire that keeps on burning. | The open delta must be a regional thing. Here's my transformer setup that they pull 4-wire delta from. One of the transformers is center-tapped to ground to make the 120V legs. All the transformers are just hooked as a Delta but notice the blue tape on the left most wire. That's the high leg wire.
 (4-wire.jpg)
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 4-wire.jpg (76KB - 983 downloads)
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Which electric power should I use?
