[RE-wrenches] Supply side tap not allowed

drake.chamberlin at redwoodalliance.org drake.chamberlin at redwoodalliance.org
Thu Jun 17 09:40:39 PDT 2010


Right!  So long as the tap isn't made inside the box, it can't have any
effect on the listing of the box.

> If possible, install a j-box between the meter and MSP, run the service
> entrance conductors through it unbroken and through Polaris type
> connectors for the tap.
>
>
>
> Jeff Irish
>
> Hudson Valley Clean Energy
>
>
>
> ________________________________
>
> From: re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Jeff
> Oldham
> Sent: Thursday, June 17, 2010 12:14 PM
> To: re-wrenches at lists.re-wrenches.org
> Subject: [RE-wrenches] Supply side tap not allowed
>
>
>
> I just had my proposal for a supply side tap (between meter and main) of
> on a residential system rejected by the inspector (CA) because he wants
> a letter from the service panel manu detailing the proper method of
> making this tap and that I must strictly follow it. This is a 1st for
> me, I've done lot's of commercial supply side taps as well as
> residential in numerous jurisdictions and this has never been requested.
> To make matters worse, the manu of this service is Zinsco, no letters
> are coming from this long ago defunct company. IF you could even get any
> manu to do this how many months do you think it would take to get and
> after how many prods?
>
> The inspector acknowledges that the NEC allows for supply side taps w/PV
> systems as well as noting that nowhere in the NEC does it require this
> permission letter. He says he found discussion about it on the 'net and
> that some feel the taps violate the U.L. on the panel. I can see this
> take, but feel a simple tap is not a significant "modification" to a
> listed panel and the impacts on our installs is significant as those
> letters will not come easy.
>
> Any thoughts?
>
> Thanks,
>
> -jeff o
>
>
>>From the Solar, Wind and Hydro powered office of Jeff
> Oldham/Regenerative SOLutions
>
>
>
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