Temp Generator Grounding

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jes25

Senior Member
Location
Midwest
Gentleman,

I have a portable fireworks trailer to hook up. The unit is pre wired and has a 120v male end on it. I will be plugging it in to a small portable generator. My question is do I need ground rods and where? I thought I needed none, but I've heard otherwise from the building inspector (electrical was unavailable). Please help?
 
jumper

jumper

Senior Member
Location
3 Hr 2 Min from Winged Horses
250.34 Portable and Vehicle-Mounted Generators.
(A) Portable Generators. The frame of a portable generator
shall not be required to be connected to a grounding
electrode as defined in 250.52 for a system supplied by the
generator under the following conditions:

(1) The generator supplies only equipment mounted on the
generator, cord-and-plug-connected equipment through
receptacles mounted on the generator, or both, and

(2) The normally non?current-carrying metal parts of equipment
and the equipment grounding conductor terminals of
the receptacles are connected to the generator frame.
 
ceb58

ceb58

Senior Member
Location
Raeford, NC
jumper said:
250.34 Portable and Vehicle-Mounted Generators.
(A) Portable Generators. The frame of a portable generator
shall not be required to be connected to a grounding
electrode as defined in 250.52 for a system supplied by the
generator under the following conditions:

(1) The generator supplies only equipment mounted on the
generator, cord-and-plug-connected equipment through
receptacles mounted on the generator, or both, and

(2) The normally non?current-carrying metal parts of equipment
and the equipment grounding conductor terminals of
the receptacles are connected to the generator frame.
Click to expand...

jes25 said:
I guess the question hinges on the inspector's definition of equipment.
Click to expand...

Seems clear to me.
 
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