You may be thinking of the change to not requiring overcurrent protection on both conductors.
Eric Smiley, MASc Project Manager, North Island E: [email protected] T: 1-888-386-0116 ext 702 (toll free) C: 250-703-6004 W: viridianenergy.ca <http://www.viridianenergy.ca> <http://www.viridianenergy.ca/> RENEWABLE POWER NOW On Thu, 8 Oct 2020 at 15:22, Howie Michaelson <[email protected]> wrote: > Chris, > This seems to be the feedback I am getting. I guess I daydreamed that > change. > Thanks, > Howie > > *Howie Michaelson**Sun Catcher* > > *NABCEP Certified Solar PV Installer™* > > *Solar Electric Systems Sales & Service802-272-0004* > > > On Thu, Oct 8, 2020 at 6:12 PM Chris Sparadeo <[email protected]> > wrote: > >> Hi Howie, >> >> NEC 2020 states in 690.13(E): “The PV system disconnecting means shall >> simultaneously disconnect the PV system conductors that are not solidly >> grounded from all conductors or other wiring systems”. >> >> Sounds to me like there is no change to this requirement. >> >> Best, >> >> Chris >> >> >> >> On Thu, Oct 8, 2020 at 5:59 PM Howie Michaelson < >> [email protected]> wrote: >> >>> Hi Guys, >>> I seem to recall hearing at a workshop maybe 18 months ago, that NEC >>> 2020 was changing the string disconnect requirements for ungrounded arrays, >>> changing from the need to break both the positive and negative legs of a >>> string, to just one leg. This might have been specific to strings with >>> optimizers, but now I cannot find my notes on this topic. Am I just >>> wishful thinking here? >>> Thanks, >>> Howie >>> >>> *Howie Michaelson**Sun Catcher* >>> >>> *NABCEP Certified Solar PV Installer™* >>> >>> *Solar Electric Systems Sales & Service802-272-0004* >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: [email protected] >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> There are two list archives for searching. When one doesn't work, try >>> the other: >>> https://www.mail-archive.com/[email protected]/ >>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>> >>> List rules & etiquette: >>> http://www.re-wrenches.org/etiquette.htm >>> >>> Check out or update participant bios: >>> http://www.members.re-wrenches.org >>> >>> -- >> Chris Sparadeo >> >> >> C_802-369-4458 >> H_802-728-3059 >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/[email protected]/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
_______________________________________________ List sponsored by Redwood Alliance List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/[email protected]/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org
