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<tt><font size="+1">The inspector is missing one of the most often
used exceptions for running dc conductors inside buildings.
There are many presentations showing this method and many
pictures also. </font></tt><br>
<br>
<div class="moz-cite-prefix">On 1/4/2016 3:46 PM, Dana wrote:<br>
</div>
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<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic","sans-serif";color:black">Our
inspectors are OK with building entrance (before disconnect)
as long as it is metal conduit <u>before </u>it enters the
building envelope and is metal conduit all the way to the
disconnect on the exterior.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic","sans-serif";color:black"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Century
Gothic","sans-serif";color:#002060">----------------------------------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:black">Dana
Orzel <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:black">Great
Solar Works, Inc - NABCEP # 051112-136<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:black">E -
<a class="moz-txt-link-abbreviated" href="mailto:dana@solarwork.com">dana@solarwork.com</a> - Web - solarwork.com <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:black">O -
970.626.5253 C - 208.721.7003<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:black">"Responsible
Technologies for Responsible People since 1988" </span><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span
style="font-size:18.0pt;font-family:Webdings;color:green">P</span></b><span
style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:navy">
</span><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:green">Please
consider the environment before printing this email.</span><span
style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
</div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic","sans-serif";color:black"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
RE-wrenches
[<a class="moz-txt-link-freetext" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On
Behalf Of </b>Daniel Young<br>
<b>Sent:</b> Monday, January 04, 2016 12:05 PM<br>
<b>To:</b> 'RE-wrenches'<br>
<b>Subject:</b> Re: [RE-wrenches] Source Circuit
Disconnect - 690.14 (C)(1)<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You
could show them the 2011 or 2014 NEC, both of which clarify
this (rather than making a new rule), so the inspector might
accept this rational. The numbers are a bit different now in
the 2014 code (and there is an error in the referencing, the
exception in 690.13 (A) points to 690.31 (F), where it’s
actually in 690.31 (G)). But both 2011 and 2014 solve the
circular reference issue with the 2008 code.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">In
2008, the code says (690.14 C 1) a disconnect needs to be at
the point of penetration, unless it follows the rule (690.31
E) where DC is installed in metallic conduit, and complies
with the first rule (690.14) that requires the disconnect be
at the point of penetration, unless it follows the rule
(690.31 E)…… round and round we go. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Common
sense would seem to acknowledge that the exception allows
you to locate the disconnect elsewhere, but we have dealt
with a few inspectors in the area that feel like they want a
disconnect anyway. I think it was a simple fix in those
cases, we submitted an objection (with code references) in
writing, and just put a disconnect in to close the permit.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">With
Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Daniel
Young, <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">NABCEP
Certified PV Installation Professional<sup>TM</sup>: Cert
#031508-90<o:p></o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
RE-wrenches [<a moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>Carl Adams<br>
<b>Sent:</b> Monday, January 04, 2016 10:59 AM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> [RE-wrenches] Source Circuit Disconnect -
690.14 (C)(1)<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div id=":mj">
<div id=":mi">
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">Fellow
Wrenches,<o:p></o:p></span></p>
</div>
<div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">We
recently failed an inspection on a new PV
installation<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">We
are operating under the 2008 code<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">I
have attached a small sketch of our conduit
routing to clarify things.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">Inspectors
note post inspection ...provide a photovoltaic
disconnecting means per 690.14 (C)(1) <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">During
his inspection the inspector was unhappy that
we had entered the attic space with the DC
source circuits, saying we should have run the
conduit across the roof and kept it outside.
Since we entered the building we would need to
add a DC disconnect in the attic to meet
code. My thought is that we fall under the
exception listed (690.31(E)) since all source
circuit internal to the dwelling are in
metallic raceways. I'd like to hear other
wrenches chime in on this.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">Our
reason for routing things as we did was to
keep the installation aesthetics first class
and minimize unsightly conduit runs.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">Code
section follows<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">690.14
Additional Provisions. Photovoltaic
disconnecting<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">means
shall comply with 690.14(A) through
(D).690.14 <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">(C)
Requirements for Disconnecting Means. Means<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">shall
be provided to disconnect all conductors in a
building<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">or
other structure from the photovoltaic system
conductors.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">(1)
Location. The photovoltaic disconnecting means
shall<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">be
installed at a readily accessible location
either on the<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">outside
of a building or structure or inside nearest
the point<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">of
entrance of the system conductors.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">Exception:
Installations that comply with 690.31(E) shall<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">be
permitted to have the disconnecting means
located remote<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">from
the point of entry of the system conductors.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">The
photovoltaic system disconnecting means shall
not<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt">be
installed in bathrooms.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"> 690.31
(E) reads as follows<o:p></o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">(E) Direct-Current
Photovoltaic Source and Output<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">Circuits Inside a
Building. Where direct-current photovoltaic<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">source or output
circuits of a utility-interactive inverter<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">from a
building-integrated or other photovoltaic
system are<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">run inside a
building or structure, they shall be
contained in<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">metal raceways, or
metal enclosures, from the point of
penetration<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">of the surface of
the building or structure to the<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">first readily
accessible disconnecting means. The
disconnecting<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">means shall comply
with 690.14(A) through (D).<o:p></o:p></span></p>
</div>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">With Regards<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">Carl Adams,
President<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt">SunRock Solar, LLC<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span
style="font-size:9.5pt"><a
moz-do-not-send="true"
href="tel:513.290.9072" target="_blank">513.290.9072</a> (cell)<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt"><a
moz-do-not-send="true"
href="tel:513.766.6025" target="_blank">513.766.6025</a> (office)<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt"><o:p> </o:p></span></p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
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</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Christopher Warfel, President
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978</pre>
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