[RE-wrenches] rebar v/s fiber

[Darryl Thayer]

Does this mean the pole has to be galvanized? or depainted?  I know you can not use coated rebar
Darryl

--- On Sat, 3/13/10, William Miller <william at millersolar.com> wrote:

> From: William Miller <william at millersolar.com>
> Subject: Re: [RE-wrenches] rebar v/s fiber
> To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> Date: Saturday, March 13, 2010, 3:53 PM
> 
>  
> Ray:
> 
> 
> We've been using this interpretation for years.
> 
> 
> William Miller
> 
> 
> 
> 
> At 01:26 PM 3/13/2010, you wrote:
> 
> Actually my read
> of 2008 code
> should allow the pole to qualify as the grounding
> electrode:
> 
> 690.47 (D) allows the mounting structure to be the
> electrode if it
> meets  250.52.
> 
> 250.52(A.7) plate electrode says you need at least 2 sq. ft
> of 1/4"
> steel plate. 
> 
> A 6" diam pipe 4 ft in the ground, will have 6.8 sq.
> ft of surface
> area......
> 
> A 4" diam pole will have 4.7 sq ft of surface
> area.....
> 
> Anybody see a flaw in this logic?
> 
> 
> R. Walters
> 
> ray at solarray.com
> 
> Solar Engineer
> 
>  
> 
> 
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