<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 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 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;}
span.EmailStyle17
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:#1F497D;}
span.EmailStyle18
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:#1F497D;}
span.EmailStyle19
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@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><div style="font-family: Calibri,sans-serif; font-size: 11pt;">Have you looked at NFPA 780-2011, standard for the installation of lightning protection systems as mentioned in 250.106?<br><br>I recently read somewhere else that any conductive material in contact with or in the vicinity of a LPS has a negative effect on the designed efficiency of the LPS, but have not investigated further.<br><br>Sincerely,<br>Glenn Burt<br>Sent from my 'smart' phone so please excuse grammar and typos.</div></div><div dir="ltr"><hr><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">From: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:garrison@solarserviceinc.com">Garrison Riegel</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Sent: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">6/4/2015 14:03</span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">To: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:re-wrenches@lists.re-wrenches.org">'RE-wrenches'</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Subject: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">[RE-wrenches] Integrating with Lightning Protection</span><br><br></div><div class="WordSection1"><p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri",sans-serif; font-size: 11pt;'>Wrenches,<o:p></o:p></span></p><p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri",sans-serif; font-size: 11pt;'><o:p> </o:p></span></p><p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri",sans-serif; font-size: 11pt;'>Does anyone have any best practice recommendations (or books, articles, etc) for integrating a roof mounted PV system with a lightning protection system? Bare #6 copper and a split bolt to the braided copper connecting air terminals? At both ends of the array?<o:p></o:p></span></p><p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri",sans-serif; font-size: 11pt;'><o:p> </o:p></span></p><p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri",sans-serif; font-size: 11pt;'>Or should we not bond these systems on the roof? Opinions on a 2009 Wrenches thread varied, but I’ve heard it from a few sources that these should be bonded directly. Wondering if there is a general consensus at this point? Or strong opinions one way or the other?<o:p></o:p></span></p><p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri",sans-serif; font-size: 11pt;'><o:p> </o:p></span></p><p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri",sans-serif; font-size: 11pt;'>Thanks for your thoughts.<o:p></o:p></span></p><p class="MsoNormal"><span style='font-family: "Calibri",sans-serif; font-size: 11pt;'><o:p> </o:p></span></p><p class="MsoNormal"><span style='color: rgb(68, 84, 106); font-family: "Calibri",sans-serif; font-size: 11pt;'>Garrison Riegel<o:p></o:p></span></p><p class="MsoNormal"><span style='color: rgb(68, 84, 106); font-family: "Calibri",sans-serif; font-size: 11pt;'>PV Operations Manager | </span><span style='font-family: "Calibri",sans-serif; font-size: 11pt;'><a href="http://www.solarserviceinc.com/"><i><span style="color: rgb(34, 42, 53);">Solar Service Inc</span></i></a></span><span style='color: rgb(68, 84, 106); font-family: "Calibri",sans-serif; font-size: 11pt;'><o:p></o:p></span></p><p class="MsoNormal"><span style='color: rgb(68, 84, 106); font-family: "Calibri",sans-serif; font-size: 11pt;'>[p] 847-677-0950 | </span><span style='font-family: "Calibri",sans-serif; font-size: 11pt;'><a href="mailto:garrison@solarserviceinc.com"><span style="color: rgb(68, 84, 106); text-decoration: none;">garrison@solarserviceinc.com</span></a></span><span style='color: rgb(68, 84, 106); font-family: "Calibri",sans-serif; font-size: 11pt;'><o:p></o:p></span></p><p class="MsoNormal"><span style='color: rgb(68, 84, 106); font-family: "Calibri",sans-serif; font-size: 11pt;'><o:p> </o:p></span></p><p class="MsoNormal"><span style='color: rgb(68, 84, 106); font-family: "Calibri",sans-serif; font-size: 11pt;'>NABCEP Certified PV Installation Professional™<o:p></o:p></span></p><p class="MsoNormal"><span style='font-family: "Calibri",sans-serif; font-size: 11pt;'><o:p> </o:p></span></p><p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri",sans-serif; font-size: 11pt;'> <o:p></o:p></span></p></div></body></html>