Vanguard ATRT-03_03B S2 - Manual (Page 23)

REV 2 ATRT-03 S2, ATRT-03A S2, AND ATRT-03B S2 USER’S MANUAL
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3.1.3. Typical Connections to a Delta-Wye Transformer
Figure 6. Typical H & X Cable Connections to a Delta-Wye Transformer