[RE-wrenches] Supply side tap not allowed

Jeff Irish jeff at hvce.com
Thu Jun 17 09:20:16 PDT 2010


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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