sub panel grounding,bonding

[ted stringfellow]

Need alittle info on bonding a subpanel in a detached shop. Thought all grounds and neutral were to be connected on a 4 wire system with single phase panel in a detached building. As compared to a subpanel in the same building where the neutrals are isolated.

 

[roger]

Need alittle info on bonding a subpanel in a detached shop. Thought all grounds and neutral were to be connected on a 4 wire system with single phase panel in a detached building. As compared to a subpanel in the same building where the neutrals are isolated.

Read 250.32(A) and (B) take note of Exception No.1 to 250.32(B) if it's applicable.

Roger