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New: 3 Phase 4 Wire Wye Transformer DrawingsThese are new drawings as of 05/03/2008. Feel free to comment.The following drawings describe 3 Phase 4 Wire Wye Connected
Transformers, and the nominal Voltages at various points.
Drawings included are for:
* 208Y/120 VAC 3 Phase 4 Wire Wye Transformers,
* 480Y/277 VAC 3 Phase 4 Wire Wye Transformers,
* 600Y/347 VAC 3 Phase 4 Wire Wye Transformers,
![[Linked Image]](https://www.electrical-contractor.net/theory/WYE_120_SCH_G.gif)
Figure 1a: Schematic drawing of the 208Y/120V
3 Phase 4 Wire Wye.
![[Linked Image]](https://www.electrical-contractor.net/theory/WYE_120_LAYOUT_G.gif)
Figure 1b: Layout drawing of the 208Y/120V
3 Phase 4 Wire Wye.
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![[Linked Image]](https://www.electrical-contractor.net/theory/WYE_277_SCH_G.gif)
Figure 2a: Schematic drawing of the 480Y/277V
3 Phase 4 Wire Wye.
![[Linked Image]](https://www.electrical-contractor.net/theory/WYE_277_LAYOUT_G.gif)
Figure 2b: Layout drawing of the 480Y/277V
3 Phase 4 Wire Wye.
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![[Linked Image]](https://www.electrical-contractor.net/theory/WYE_347_SCH_G.gif)
Figure 3a: Schematic drawing of the 600Y/347V
3 Phase 4 Wire Wye.
![[Linked Image]](https://www.electrical-contractor.net/theory/WYE_347_LAYOUT_G.gif)
Figure 3b: Layout drawing of the 600Y/347V
3 Phase 4 Wire Wye.
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