<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body><div><div style="font-family: Calibri,sans-serif; font-size: 11pt;">FYI, this has changed to more of a permissive rule in the 2017 NEC, than the mandatory one in 2014.</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:august@luminalt.com">August Goers</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;">1/30/2017 13:47</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: [RE-wrenches] 690.47(D)</span><br><br></div>Hi Mark,<br><br>The current issue of IAEI magazine has an article writing by Bill Brooks<br>called "Hot Topics for PV System Installations." In the article, he<br>directly addresses 2014 NEC 690.47(D).<br><br>Unfortunately I don't see this article posted online, but you might want<br>to check it out if you can find it.<br><br>My understanding is that the intent of 690.47(D) is to require an<br>additional electrode when PV is installed on structures that don't already<br>have and electrode system such as a separate building, garage, etc.<br><br>August<br><br>-----Original Message-----<br>From: RE-wrenches [mailto:re-wrenches-bounces@lists.re-wrenches.org] On<br>Behalf Of markf@berkeleysolar.com<br>Sent: Monday, January 30, 2017 10:24 AM<br>To: re-wrenches@lists.re-wrenches.org<br>Subject: [RE-wrenches] 690.47(D)<br><br>Folks,<br><br>NEC 2014 is in effect in California. I just pulled a permit for a<br>residential system and it had a little stamp that had 690.47(D) circled as<br>a requirement.<br><br>Anyone worked with AHJ's in California who are now requiring this? I am<br>planning to not install the electrode, siting Exception 2 and trying to<br>say that the existing electrode next to the build is "next to the array"?<br><br>Mark<br><br><br>_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address: RE-wrenches@lists.re-wrenches.org<br><br>Change listserver email address & settings:<br>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org<br><br>List-Archive:<br>http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.htm<br>l<br><br>List rules & etiquette:<br>www.re-wrenches.org/etiquette.htm<br><br>Check out or update participant bios:<br>www.members.re-wrenches.org<br>_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address: RE-wrenches@lists.re-wrenches.org<br><br>Change listserver email address & settings:<br>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org<br><br>List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html<br><br>List rules & etiquette:<br>www.re-wrenches.org/etiquette.htm<br><br>Check out or update participant bios:<br>www.members.re-wrenches.org<br><br></body></html>