Signs & Light Pole Grounding & Access Covers

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To clarify this issue.
Every structure requires a disconnecting means.
Every structure requires a grounding electrode system.

There are exceptions in various articles, as discussed above.

Art 100 has the definition of a structure. If you build it, and they come or not, its a structure.
 
Thanks for all the help everyone. The General Contractor got his C of O today. The electrician & G/C cut a hand pole in the pole, drilled & tapped for a W/P blank, drilled a hole for the conduit to enter, drove a GND rod, ran #6 bare to bond everything together. Done. E/C got his final, G/C got the C of O & everybody is happy.
Still don't see the need for a GND rod except AHJ requirements.
If I build a dog house outside and I want to install a heater in it you would consider that a structure right? 250.32 (A) exception states that if I install a branch or multiwire branch circuit equipped with a EGC no grounding electrode is required.
There is such a thing called controlled resistance, over grounding can cause problems just as insufficance grounding can.
 
Bob Kraemer said:
If I build a dog house outside and I want to install a heater in it you would consider that a structure right?
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Yes.

What would you call it?

I am not saying I think a ground rod will add to your dogs safety only that per the NEC definitions it most definitely is a structure.
 
iwire said:
Yes.

What would you call it?

I am not saying I think a ground rod will add to your dogs safety only that per the NEC definitions it most definitely is a structure.
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I agree that was my point that it is a structure but by code it does not require a GND rod.
 
Bob,
I agree that was my point that it is a structure but by code it does not require a GND rod.
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Only because you are feeding the structure with a single branch circuit and the exception to 250.32(A) says you don't need a local grounding electrode at a structure that is fed by a single branch circuit.
Don
 
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