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New: 4 Wire Delta Trans. Drawings - Open DeltaThese are new drawings as of 05/03/2008. Feel free to comment.The following drawings describe a 240/120V 3 Phase 4 Wire Open Delta
Transformer connection, and the nominal Voltages at various points:
![[Linked Image]](https://www.electrical-contractor.net/theory/D4W_O_SCH_G.gif)
Figure 1a: Schematic drawing of the 3 Phase 4 Wire Open Delta.
![[Linked Image]](https://www.electrical-contractor.net/theory/D4W_O_LAYOUT_G.gif)
Figure 1b: Layout drawing of the 3 Phase 4 Wire Open Delta.
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