[RE-wrenches] How do we wrenches provide pertinent advice? (was120% rule applying to conductors)

[Drake]

Right. The NFPA doesn't have any authority in itself.  It is a 
private corporation.  Local municipalities adopt the NEC at their own 
discretion.

At 10:44 AM 10/1/2012, you wrote:
>Exactly,
>
>Another fine example of how the Code works. Anyone out there have 
>the definition of "special permission".
>
>Any changes have to go back to the NFPA?  Really the buck stops at 
>the quasi-judicial authority of the head of the building department. 
>Inspectors are the bearers of that authority. So it all comes downs 
>to anyone can do anything if they can get the AHJ to sign off on it.
>
>Mark.
>
>On 10/1/2012 6:24 AM, Drake wrote:
>>From  90.4
>>
>>"By special permission, the authority having jurisdiction may waive 
>>specific requirements in this Code or permit alternative methods 
>>where it is assured that equivalent objectives can be achieved by 
>>establishing and maintaining effective safety."
>>
>>At 04:15 PM 9/30/2012, you wrote:
>>>Friends:
>>>
>>>It is my understanding that local AHJs can implement more 
>>>stringent code requirements and can interpret ambiguous citations, 
>>>but they can not waive specific code requirements without special 
>>>permission. (NEC 90.4).  I don't know what is required to obtain 
>>>"special permission," but I do doubt the wisdom of local official 
>>>attempting to rewrite the NEC.
>>>
>>>The original question was a request for help interpreting a code 
>>>section.  While it is unfortunate that the NEC is not perfect, we 
>>>are bound by it's provisions and need to understand the difference 
>>>between analyzing the NEC and adhering to it.  I hope we have not 
>>>further confused the questioner by side tracking to discussions of 
>>>wishful thinking that we can convince a building official to 
>>>ignore sections of the NEC that we disagree with.
>>>
>>>There are forums to express opinions on the validity of code 
>>>sections and to propose language, the Solar ABCs being one option 
>>>(http://www.solarabcs.org/).
>>>
>>>Respectfully,
>>>
>>>William Miller
>>>
>>>PS:  No one commented on the idea I presented of down-sizing the 
>>>feeder breaker.  This idea requires analysis of the loads to prove 
>>>viability, of course, but is likely much less expensive than 
>>>pulling bigger wire.
>>>
>>>wm
>>>
>>>
>>>
>>>At 06:25 AM 9/29/2012, you wrote:
>>>>Most of the inspectors I've dealt with are at least somewhat 
>>>>reasonable. A few are fundamentalists for their own 
>>>>interpretations.  I'd at least show the inspector the email with 
>>>>Bill Brook's statement and discuss the logic of the 
>>>>situation.  It is obvious that the intent was to protect a wire 
>>>>that was double fed and could overload. The AHJ has the 
>>>>responsibility for interpretation of the code, so can allow what s/he sees fit.
>>>
>>>_______________________________________________
>>>List sponsored by Home Power magazine
>>>
>>>List Address: RE-wrenches at lists.re-wrenches.org
>>>
>>>Options & settings:
>>>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>>
>>>List-Archive: 
>>>http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>>
>>>List rules & etiquette:
>>>www.re-wrenches.org/etiquette.htm
>>>
>>>Check out participant bios:
>>>www.members.re-wrenches.org
>>
>>_______________________________________________
>>List sponsored by Home Power magazine
>>
>>List Address: RE-wrenches at lists.re-wrenches.org
>>
>>Options & settings:
>>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>>List-Archive: 
>>http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>
>>List rules & etiquette:
>>www.re-wrenches.org/etiquette.htm
>>
>>Check out participant bios:
>>www.members.re-wrenches.org
>
>
>_______________________________________________
>List sponsored by Home Power magazine
>
>List Address: RE-wrenches at lists.re-wrenches.org
>
>Options & settings:
>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
>List-Archive: 
>http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
>List rules & etiquette:
>www.re-wrenches.org/etiquette.htm
>
>Check out participant bios:
>www.members.re-wrenches.org