[RE-wrenches] 690.47(D)

Jason Szumlanski jason at floridasolardesigngroup.com
Mon Jan 30 11:00:52 PST 2017


Further to August’s reply, here it is:

http://iaeimagazine.org/magazine/2015/06/23/bonding-and-grounding-pv-systems/

​Jason​


On Mon, Jan 30, 2017 at 1:47 PM, August Goers <august at luminalt.com> wrote:

> Hi Mark,
>
> The current issue of IAEI magazine has an article writing by Bill Brooks
> called "Hot Topics for PV System Installations." In the article, he
> directly addresses 2014 NEC 690.47(D).
>
> Unfortunately I don't see this article posted online, but you might want
> to check it out if you can find it.
>
> My understanding is that the intent of 690.47(D) is to require an
> additional electrode when PV is installed on structures that don't already
> have and electrode system such as a separate building, garage, etc.
>
> August
>
> -----Original Message-----
> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
> Behalf Of markf at berkeleysolar.com
> Sent: Monday, January 30, 2017 10:24 AM
> To: re-wrenches at lists.re-wrenches.org
> Subject: [RE-wrenches] 690.47(D)
>
> Folks,
>
> NEC 2014 is in effect in California. I just pulled a permit for a
> residential system and it had a little stamp that had 690.47(D) circled as
> a requirement.
>
> Anyone worked with AHJ's in California who are now requiring this? I am
> planning to not install the electrode, siting Exception 2 and trying to
> say that the existing electrode next to the build is "next to the array"?
>
> Mark
>
>
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