Hi August, I can only assume that the inspectors are talking about say running a return leg which would have no pair back to the combiner/junction box?
jay peltz power On Nov 19, 2013, at 9:38 AM, August Goers wrote: > Hi All – > > On a related note, I’ve become good friends with some of the inspectors in > San Francisco and they called me yesterday with a question. Is it okay to run > individual DC conductors through EMT for wire management purposes? We have > always run paired positive and negative conductors in conduit so the question > had never occurred to me. Obviously, you have to bond both ends of the > conduit if it is over 250 v. I know that AC would have induction issues with > running individual conductors but I’m not sure with DC. > > Thanks, > > August > > > August Goers > Principal > Luminalt Energy Corporation > o: 415.641.4000 > m: 415.559.1525 > www.luminalt.com > > > > From: re-wrenches-boun...@lists.re-wrenches.org > [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of William Miller > Sent: Monday, November 18, 2013 11:33 PM > To: 'RE-wrenches' > Subject: Re: [RE-wrenches] PV Wiring methods > > Bill: > > There is no need to stuff MC4 cables into standard conduit. You can either > slot the pipe using our easy method or install bulkhead type connectors. The > connectors are readily available. I get them from PV Cables in Northern > California.. > > Wire routing problems and some solutions can be found on our web-site: > > http://millersolar.com/MillerSolar/practices/PV_wiring/_PV_Wiring2.html > > Since the industry won’t provide wire management solutions, we are making our > own. Questions: Just write or call. > > William Miller > > From: re-wrenches-boun...@lists.re-wrenches.org > [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of frenergy > Sent: Thursday, November 14, 2013 7:46 AM > To: RE-wrenches > Subject: Re: [RE-wrenches] PV Wiring methods > > William, Bill....from another Bill, > > Two things: For the rest of us (maybe it's just me?!) that's still > trying to figure out how (or why) to stuff a MC4 connector into conduit and > my hesitation in using SS wire ties for fear of the sharp edges cutting or > chaffing into cables, I'm open for advice. Any wire I use on the roof is > rated for that type of service and I have some off-grid systems that have > been in the sun for some 25 years where the wire still looks nearly new even > when flexing it to look for checking/cracks. It seems the wire/insulation > can take it, thus it seems like the key to "wire management is to keep the > wire from moving and off the roof, secured to the racking, thus not > compromising the insulation. > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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