[RE-wrenches] Hawaiian Tie in

Bradley Bassett bbassett2 at gmail.com
Tue Aug 8 09:34:12 PDT 2023


I have no experience with the Hawaii connection, but another choice for a
tap connector is the Ilso GTA type with cover. You don't have to cut the
tapped line and don't rely on piercing it.

Brad Bassett

Application Engineer (ret.) 1985 Solar Eng Svcs -> Applied Power -> Applied
Power (Idaho Power)(incl: SES, AscensionTech, Alt Energy Eng)-> Schott
Applied Power-> 2003 AEE Solar-> AEE Solar (Mainstream Energy)-> AEE Solar
(Sunrun) 2023

On Tue, Aug 8, 2023 at 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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