[RE-wrenches] 2011 NEC and impact in the field

[Kelly Larson]

Here is the link for the report from Solar ABCs.  Don't know if you  
can get to the webinar anymore, though.
http://solarabcs.org/index.php?option=com_content&view=article&id=97%3A2011-national-electrical-code-nec-and-handbook-available&catid=1%3Alatest-news&Itemid=1

Blessings,
Kelly

Kelly Larson
Box 104
Piercy, CA 95587
707-223-3209
Electrical Engineer
NABCEP Certified Solar PV Installer
ISPQ Master Trainer
CA C-10 # 868189
SolarKelly at asis.com


On Jan 13, 2011, at 9:27 AM, Dan Fink wrote:

> August;
>
> There was a webinar from Solar ABCs in autumn 2010 that covered many  
> of these new 2011 NEC  issues in detail, in a very practical way for  
> the professional PV installer.
>
> I believe you can download the whole thing from them right now after  
> the fact.
>
> I'm quite involved in teaching the PV / firefighter safety  
> curriculum now, and signage is a big issue. In short-- engraved  
> plastic signs are fine indoors or out, but don't penetrate an  
> outdoor-rated box screwing them on! Stick-on vinyl signs need to  
> meet UL 969. The webinar has some great photos of faded vinyl signs  
> that have become unreadable.
>
> DAN FINK
> Executive Director,
> Buckville Energy Consulting LLC
> NABCEP / IREC / ISPQ accredited Continuing Education Providers
>
>
>
> August Goers wrote:
>> Hi All -
>> My shiny new copy of the 2011 NEC handbook just came in the mail  
>> and I've
>> started reading through it trying to decipher what changes we  
>> should be
>> expecting in the future. Although California is now just adopting  
>> the 2008
>> NEC which I'm quite familiar with, many jurisdictions will honor  
>> the newer
>> version of the code if we provide a good argument for them.
>> That said, does anyone who's checked out the new code have any  
>> interesting
>> comments or advice on changes that might affect us out in the  
>> field? Section
>> 690.31(E) is interesting in that it has quite a few detailed  
>> requirements
>> for running DC circuits inside the building. Now it looks like MC  
>> cable is
>> acceptable but that there are many more strict requirements about  
>> how the
>> conduit or cable must be run. Labeling the DC conduit and J-boxes  
>> is also
>> going to be a change we'll have to get used to. Hopefully there  
>> will be new
>> reasonably priced label sources available. I'm sure I'm not alone  
>> in saying
>> that it's always been hard to find cost effective labels which can  
>> hold up
>> through the elements.
>> The grounding section also looks substantially updated.
>> As always, fun new things coming our way.
>> Best,
>> August
>> August Goers
>> Luminalt Energy Corporation
>> 1320 Potrero Avenue
>> San Francisco, CA 94110
>> m: 415.559.1525
>> o: 415.641.4000
>> august at luminalt.com
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