True, but a suitable DC rated disconnect switch with large enough terminals is going to be very expensive.
The whole thing boils down to the definition of an ESS. Getting the inspector to realize that the 706.2 disconnect is not required to be a* battery* disconnect is key here. Jason Szumlanski Principal Solar Designer | Florida Solar Design Group NABCEP Certified Solar Professional (PVIP) Florida State Certified Solar Contractor CVC56956 Florida Certified Electrical Contractor EC13013208 On Tue, Jul 29, 2025 at 11:38 PM William Miller via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Jason: > > > > Fine stranded cables can be used with set screw terminals if you use > ferrules. > > > > You hint at a broader point: The industry is not providing solutions that > the regulators are demanding. Any battery with BMS should have a remote > inhibit. Problem solved. > > > > William > > > > Miller Solar > > 17395 Oak Road, Atascadero, CA 93422 > > 805-438-5600 > > www.millersolar.com > > CA Lic. 773985 > > > > > > *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] *On > Behalf Of *Jason Szumlanski via RE-wrenches > *Sent:* Tuesday, July 29, 2025 2:45 PM > *To:* RE-wrenches > *Cc:* Jason Szumlanski > *Subject:* Re: [RE-wrenches] Battery RSD > > > > The problem I see with just complying is that there is really no practical > or cost-effective way to comply. You would have to somehow transition from > battery cable to some other cable type, because typical fusible disconnect > switch lugs are not going to be rated to accept > fine-stranded battery cable, especially in the required size. > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > 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 > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > 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 Pay optional member dues here: http://re-wrenches.org 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 There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ 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
