I think the tin plating is to minimize/eliminate galvanic corrosion. Tim plated aluminum - now that sounds smart!
Typos courtesy of my iPhone. On Aug 27, 2012, at 8:52 PM, benn kilburn <b...@daystarsolar.ca> wrote: > Kirpal. > > The Ilsco lug GBL-4 also comes with a stainless steel set-screw… as stated > here….GBL LAY-IN AL/CU > if that is all it takes to use the AL lug outdoors (stainless steel > set-screw), then why have we been steered towards the 'direct burial rated' > tin-plated copper lug instead of an AL lug with SS set-screw? > > I'm not trying to make a case to not use the SGB lug, I like it and would > like to keep some in stock, as they seem pretty useful, I just want to have > my bases covered if/when an inspector questions me on them being approved for > the application. > > Dan, > Agreed! Been trying to get an answer from Ilsco, just tracking down the > right person with the answers. > > Cheers, > benn > > DayStar Renewable Energy Inc. > www.daystarsolar.ca * Ph: 780-906-7807 > Construction Electrician Solar Photovoltaic Systems Certified > Certificate # 0007S > HAVE A SUNNY DAY > > On 27/08/12 5:42 PM, "Kirpal Khalsa" <solarwo...@gmail.com> wrote: > > Benn...it looks like that lug has "stainless hardware for corrosion > resistance" as stated on the brochure....That would be the biggest > consideration as David Brearly mentioned earlier in regards to rust > potential. Stainless hardware and tin plating is equivalent to the WEEB > lugs....Tin plating and stainless hardware is as good as anything else > available as far as outdoor ratings are concerned..... > I see your point that it is not explicitly stated for outdoor use....however > being marketed for use with solar panels also seems to imply rather obviously > that it is outdoor rated.....in my unofficial opinion. > > -- > Sunny Regards, > Kirpal Khalsa > NABCEP Certified Solar PV Installer > > > > On Mon, Aug 27, 2012 at 4:11 PM, benn kilburn <b...@daystarsolar.ca> wrote: > Thanks for the feedback Wrenches, lots of interesting comments, > > However I'm still wondering….. > How does one confirm that it is specifically approved for outdoor use? > Other than assuming it is implied (because it is 'marketed' as a solar lug). > As far as I can tell UL 467 does not imply "outdoor rated" as the aluminum > lug "GBL-4" is also UL467 listed. See here…GBL LAY-IN AL/CU. > > As well, and as Gary pointed out with his second link, for a module > bonding/grounding method to be acceptable, it must be recognized by the > module manufacturer, no? > Which means that any new bonding product on the market must have the blessing > of each mod mfgr. > (by way of letter or mention in its install manual). I have come across > inspectors that actually look for this. > > Jason, > you wrote "I like the looks of that lug. However, I've been using WEEBs too > long to go back now." I agree, and i'm not looking to replace weebs with > these, but these certainly seem to have a place in the What do you use for > the bonding connection from the ?rails? > This SGB lug was suggested for this purpose as well. > > > Benn > DayStar Renewable Energy Inc. > www.daystarsolar.ca * Ph: 780-906-7807 > Construction Electrician Solar Photovoltaic Systems Certified > Certificate # 0007S > HAVE A SUNNY DAY > > On 27/08/12 2:35 PM, "Gary Willett" <g...@icarussolarservices.com> wrote: > > Here's the Ilsco listing from UL, where it's classed as "Grounding and > Bonding Equipment": > http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/showpage.html?name=KDER.E34440&ccnshorttitle=Grounding+and+Bonding+Equipment&objid=1074099002&cfgid=1073741824&version=versionless&parent_id=1073988940&sequence=1 > > The GuideInfo for Grounding & Bonding Equipment lists: > Grounding and Bonding for Photovoltaic (PV) Systems — Grounding and bonding > equipment intended for use in PV systems are additionally investigated in > combination with the PV module/panel (see QIGU) to the applicable > requirements for such products. Installation instructions provided with the > PV system (see QIGU) identify the specific grounding and bonding device that > has been investigated and intended for use with that system. > http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/showpage.html?&name=KDER.GuideInfo&ccnshorttitle=Grounding+and+Bonding+Equipment&objid=1074098839&cfgid=1073741824&version=versionless&parent_id=1073988940&sequence=1 > > > Regards, > > Gary Willett, PE > On 8/27/2012 3:20 PM, David Brearley wrote: >> Yes, sorry. I wasn't speaking of this lug...I like the redesign. Looks >> quicker and easier and robust. >> >> On Aug 27, 2012, at 3:17 PM, Jason Szumlanski wrote: >> >>> Yeah, but this one is marketed as a solar bonding lug. I think it's safe to >>> say that it appropriately rated for outdoor use. It's always good to >>> double-check, of course. >>> >>> Jason Szumlanski >>> Fafco Solar >>> >>> >>> >>> On Mon, Aug 27, 2012 at 4:11 PM, David Brearley >>> <david.brear...@solarprofessional.com> wrote: >>> Some of the aluminum lugs are indoor-rated. They have a set screw will rust >>> in an outdoor environment. That's one of the classic John Wiles slides. I'd >>> just watch out for that.... >>>> >>>> On Aug 27, 2012, at 12:53 PM, Brian Mehalic <br...@solarenergy.org> wrote: >>>> >>>>> I believe the UL467 listing means that it is rated for direct >>>>> burial/outdoor use. >>>>> >>>>> Brian Mehalic >>>>> NABCEP Certified Solar PV Installer™ R031508-59 >>>>> IREC ISPQ Certified Affiliated Instructor/PV US-0132 >>>>> >>>>> PV Curriculum Developer and Instructor >>>>> Solar Energy International >>>>> http://www.solarenergy.org >>>>> .org > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & 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 > > > > > > _______________________________________________ List sponsored by Home Power > magazine List Address: RE-wrenches@lists.re-wrenches.org Options & 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 > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & 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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