[RE-wrenches] Hawaiian Tie in

[Jerry Shafer]

Does the utility allow line side tie in and then you should not need to be
concerned about the 100 amp main as long as you have the wire size correct.
Many utilities are not allowing line side tap however.
Fun times


On Tue, Aug 8, 2023, 8:11 AM Dana Orzel via RE-wrenches <
re-wrenches at 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 dana at solarwork.com
> Idaho Contractor - # 028765 Idaho PV # 028374 "Responsible Technologies for
> Responsible People since 1988"
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