Grounding at XFMR

[anbm]

75kVA transformer (480V Pri - 208?120V sec) feed a panel with main CB. Can we bond neutral to ground at panel instead of xfmr and satisfy NEC?

 

[infinity]

Yes. Your GEC would terminate there as well.

 

[cripple]

Grounding at XFMR

Yes, if the secondary transformer are 25 feet or less. NEC 240.21(C) and 250.30(A)(1)