Grounding and Bonding generators

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embryo3

Member
Location
coral springs
I have a portible generator that I am feeding a 100amp 3 phase 480vac temporary power panel to charge forklifts. My question is I have continuity between the neutral and groud lugs so I am assuming this is the system bond N/G. This is a temporary set-up at remote locations I am not tying the N/G in the panel because it seems to be already done internally in the generator. Question is do I need to install a ground rod at the panel and tie it to the panel to meet NEC?
 

RUWired

Senior Member
Location
Pa.
This is a temporary set-up at remote locations I am not tying the N/G in the panel because it seems to be already done internally in the generator. Question is do I need to install a ground rod at the panel and tie it to the panel to meet NEC?

You would be required to install an electrode at the generator and also at the structure supporting the panelboard.. The electrode at the generator is required per (2011) 250.30(A)1 and the structure is required per 250.32(A) and (B)1 and 2. The equipment ground conductor and the electrode conductor at the panel would be to the frame/ ground bar.

Rick
 
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