[RE-wrenches] EMT in attic

[Kent Osterberg]

There is no need for an exception. Even in the 2008 NEC, 690.31(E) is 
clearly about the dc wiring. The proposed informational note adds 
nothing except to explain that ac isn't dc.

Kent Osterberg
Blue Mountain Solar, Inc.
www.bluemountainsolar.com
  

On 11/3/2012 11:09 AM, Dan Fink wrote:
> There is an proposal in the pipeline for NEC 2014 that makes an 
> exception for AC PV modules after the wiring enters the building. See:
> http://www.solarabcs.org/codes-standards/NFPA/pdfs/2014NEC%20690.31(E).pdf 
> <http://www.solarabcs.org/codes-standards/NFPA/pdfs/2014NEC%20690.31%28E%29.pdf>
> -- 
> Dan Fink,
> Executive Director;
> Otherpower
> Buckville Energy Consulting
> Buckville Publications LLC
> NABCEP / IREC accredited Continuing Education Providers
> 970.672.4342 (voicemail)
>
> On Sat, Nov 3, 2012 at 10:19 AM, David Brearley 
> <david.brearley at solarprofessional.com 
> <mailto:david.brearley at solarprofessional.com>> wrote:
>
>     FWIW: In the 2011 Code, Section 690.31(D) is changed to include
>     the following:
>
>     "Where dc photovoltaic source or output circuits...are run inside
>     a building or restructure, they shall be contained in metal
>     raceways,/Type MC metal-clad cable that complies with
>     250.118(10/), or metal enclosures..."
>
>
>     On Nov 3, 2012, at 10:41 AM, Nick Vida wrote:
>
>>     Hello wrenches,
>>
>>     wondering if any of you are running into inspectors wanting EMT
>>     in the attics, or allowing flex only if there is a fusible
>>     disconnect on the roof. We have heard this a few time lately and
>>     havent yet seen a code reference, (except 690.31e saying metal
>>     raceways are fine- not specifying EMT only). I am wondering if
>>     this is a new wave of inspectors wanting the future now as
>>     informed by an expert seminar, or if there is something I am not
>>     aware of. Any comments are very appreciated.
>>
>>     Thank you,
>>
>>     Nick Vida
>>     wrench
>
>
>
>
>
>
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