Definitely best practice to do so, in fact probably not safe as it’s wired now. I know some inverters won’t work at all with “neutral loops” and are sophisticated enough to feel it, and stop inversion until the electrician fixes it
On Tue, Jul 30, 2024 at 5:48 AM Jason Szumlanski via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > See 300.3(B). I think that's what you are looking for. > > 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 Mon, Jul 29, 2024 at 11:53 PM William Miller via RE-wrenches > <re-wrenches@lists.re-wrenches.org> wrote: > > > > Friends: > > > > > > > > I found a grid-tie battery-backup system with a 120/240 VAC critical > loads sub-panel that has no neutral run to it. All of the 120 VAC loads > have their neutrals land in the meter panel. > > > > > > > > I have always felt instinctively that the neutrals should land in the > breaker panel that feeds the circuit. I have looked through the NEC to > find a passage that spells this out but I can seem to find one. > > > > > > > > Is this a code requirement? Is this recommended practice? > > > > > > > > Thanks in advance. > > > > > > > > William Miller > > > > > > > > Miller Solar > > > > 17395 Oak Road, Atascadero, CA 93422 > > > > 805-438-5600 > > > > www.millersolar.com > > > > CA Lic. 773985 > _______________________________________________ > 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 > >
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