To: RE-wrenches
Subject: Re: [RE-wrenches] Two NEC questions
Wrenches,
I wrote back to Bill with the person at SMA who gave the talk and it is
possible that I may have been mistaken about the ship date for AFCI-enabled
Sunny Boys. Transformerless Sunny Boy US-series units are on the way soon too
and
s
*Subject:* Re: [RE-wrenches] Two NEC questions
Hi David and Rebecca -
We're still in the 2008 code cycle here in California so AFCI hasn't
become an issue yet. I just listened to a webinar by SMA last week and
I believe that their AFCI Sunny Boys wont' be shipping for at least a
co
enches.org [mailto:
re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *Bill Brooks
*Sent:* Sunday, October 14, 2012 9:44 AM
*To:* 'RE-wrenches'
*Subject:* Re: [RE-wrenches] Two NEC questions
August,
Who at SMA said that they won’t be shipping AFCI inverters? I know they
have been m
to:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of August Goers
Sent: Sunday, October 14, 2012 9:11 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Two NEC questions
Hi David and Rebecca -
We're still in the 2008 code cycle here in California so AFCI hasn't become
an issue yet. I j
tioned
below.
Good luck out there!
-August
*From:* re-wrenches-boun...@lists.re-wrenches.org [mailto:
re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *David Brearley
*Sent:* Saturday, October 13, 2012 9:02 AM
*To:* RE-wrenches
*Subject:* Re: [RE-wrenches] Two NEC questions
Midnite Solar has some DC arc fault equipment both built into their
charge controllers (for battery based systems) and their Combiner
boxes. The nice thing about having AFCI at the combiner is that it
actually protects the wiring from the array to the inverter, so if an
arc is occurring in say
Rebecca,
First off, nice install on the four SiE pole mounts!
Second, as long as we are talking strictly grid-tied systems, not AC
coupled or battery backup, it seems like Solar should be viewed more like
an appliance. It supplements the service at your house. That being said,
you've got a tou
You can see what products UL has listed (though not other NRTLs) at:
www.ul.com
Near the bottom of the page on the right hand side click on:
Online Certifications Directory
Into the UL Category Code box enter:
QIDC (for inverters with integrated dc arc-fault)
or
QIDC2 (for dc arc-fault compone
RE Question #2:
Article 100 defines a service as:
Service. The conductors and equipment for delivering electric energy from the
serving utility to the wiring system of the premises served. (emphasis added)
PV system wiring simply does not fit that definition. The PV system is not part
of the
Dear fellow wrenches,
Does anyone have suggestions for the 'best' way to keep up with product
availability for meeting 690.11 on DC AFCI? I understand that when this
code section was written there was no available device, and know that at
least several companies are working on devices. How will I
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