Wrenches, We have had AFCI issues with also no problems to be found, in some cases very early am or late pm and we fould that its comming from AC Compressor contactors on the same building, also arc welders will cause a trip Jerry On Mar 23, 2016 11:08 AM, "Drake" <drake.chamber...@redwoodalliance.org> wrote:
> Hello Wrenches, > > We have a project with an array on a large metal roof. The AFCI has been > tripping. Investigating the system, there is no evidence of any arcing: the > wiring and connections are all very tight. > > SMA tech support says it is likely that the nuisance tripping comes from > electrical noise getting picked up by the large metal roof. > > What has been your overall experience with nuisance tripping of arc fault > protection? What were the suspected causes? What was the solution? > > Thanks, > > Drake > > Drake Chamberlin > > > > > > *Athens Electric LLC OH License 44810 CO License 3773 NABCEP Certified > Solar PV 740-448-7328 <740-448-7328> *http://athens-electric.com/ > > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=oa-2115-v2-c> > No > threats detected. www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=oa-2115-v2-c> > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > >
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