Type 1: You’ll be limited to 100A solar because the Utility conductors you’re attaching to are 100A. The Utility tap needs to immediately go to a fused disconnect switch, generally within 6ft (sometimes 10ft) and within line of sight of the meter. Fuses need AIC rating equivalent to that of the Sylvania main breaker
On Tue, Aug 8, 2023 at 8:11 AM Dana Orzel via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Oh Wise folks! > > Attached is a wire schematic please review. & feel free to possibly use > for yourself in the future. > > I am in a bind with an interconnection where I have an apartment 6 pack > meter box with all 120-240v/100 amp breakers & assumed 100 amp busbars. > The apts. were a mid 1970's original build. There are 4 apartment with 1 > circuit/meter each & 1 house circuit/ meter for owners use.The breaker > boxes are Sylvania (yuck). Originally I assumed a larger busbar due to 6 - > 100 amp breakers & this was not the case. We all know about assuming... > > I consulted with W-2 who had assisted my lead installer in in the past > from UT. He sent the following & though it makes sense to me, the utility > is asking how I can have a 225 amp panel behind a 100 amp breaker. My > response was that all we are doing is achieving a properly sized bus bar > to accommodate the back feed. > > My Utility Idaho Power requires interconnection with a meter that has a > load on it. Solar only meters are not allowed. This is for the owners loads > only & he has 1 meter per apt complex at 100amps each. > > I am wondering if any of you have used this connection adaption to achieve > a larger array connection & how it went? > -- > Dana Orzel Great Solar Works, Inc. C - 208.721.7003 d...@solarwork.com > Idaho Contractor - # 028765 Idaho PV # 028374 "Responsible Technologies for > Responsible People since 1988" > _______________________________________________ > 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 > > -- David Quattro CA License # 954020. C-10, C-46 ph (415) 312-2661 www.quattrosolar.com
_______________________________________________ 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
