<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EmailStyle17
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><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 [mailto:re-wrenches-bounces@lists.re-wrenches.org] <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 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 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><div class=MsoNormal align=center style='text-align:center'><hr size=1 width="100%" noshade style='color:#A0A0A0' align=center></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>No virus found in this message.<br>Checked by AVG - <a href="http://www.avg.com">www.avg.com</a><br>Version: 2015.0.6176 / Virus Database: 4489/11287 - Release Date: 12/30/15<o:p></o:p></p></div></body></html>