Hidden Low profile conduit through roof - flashing? [RE-wrenches]

[Mark Frye]

William,

Here is the text from NEC 2008 690.31:

("E) Direct-Current Photovoltaic Source and Output Circuits Inside a 
Building. Where direct-current
photovoltaic source or output circuits of a utility-interactive inverter 
from a building-integrated or other
photovoltaic system are run inside a building or structure, they shall 
be contained in metal raceways, or
metal enclosures, from the point of penetration of the surface of the 
building or structure to the first
readily accessible disconnecting means. The disconnecting means shall 
comply with 690.14(A) through
(D)."

It appears that there has been no change in this Article.  There was an 
attempt to modify to specifically allow MC cable, but that did not make 
it into the new code.

Status Quo for three more years.

I use only EMT and FMC inside the building.


William Miller wrote:
> 
> Friends:
> 
> As you all know, the 2005 code allows for PV source conduit to enter a 
> building envelope without first passing through a disconnect IF the 
> conduit 
> is metal.  Does anyone have factual knowledge if this will change for 
> 2008?
> 
> William Miller


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