[RE-wrenches] Multi-structure PV install

[Marv Dargatz]

Kurt,

You definitely need the dedicated branch circuit protection.  Beyond 
that, it's up to your local AHJ.  Same for the labeling.  Of course, NEC 
690.54 and 690.56B do require a label at the point of interconnection.

See Ya!

Marv
Enphase Energy
707 763-4784 x7016

Kurt Albershardt wrote:
> --On Monday, December 29, 2008 8:29 AM -0800 Marv Dargatz 
> <mdargatz at enphaseenergy.com> wrote:
>>
>> The NEC provides for, and the AHJs have accepted the use of the 
>> connectors as a form of disconnect.  Of course, each branch is also 
>> connected to a dedicated branch overcurrent device (circuit breaker).
>>
>> On the DC side, since only one module is connected to each inverter, 
>> the connectors also serve as a means of disconnect.  The DC wiring 
>> does not enter the building, so a separate DC disconnect is not required.
> 
> Right, no problems foreseen there.
> 
> 
>> What specific questions do you have about labeling?
> 
> Five small arrays, each on a different structure, feeding one production 
> meter (located on one of the structures or perhaps on a separate 
> outbuilding.)  Do I put a small breaker/disconnect (I'm thinking a 
> 2-space 3R panel) on each structure and label (how)?
> 
> thanks...
> 
> 
> 
> 
> 
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