[RE-wrenches] Starting fires for fun with string wiring

[Andrew Truitt]

MidNite also offers AFCI protection in their disconnecting combiner boxes.
 The switches can also be hard-wired to the MidNite Birdhouse which allows
ground-level personnel to remotely disconnect the PV output circuit at the
combiner.


http://www.midnitesolar.com/pdfs/multi1_inside_outside.pdf



For a brighter energy future,


Andrew Truitt  MSc., LEED GA
NABCEP Certified PV Installer™ (ID# 032407-66)
 Principal
Truitt Renewable Energy Consulting
(202) 486-7507
http://www.linkedin.com/pub/andrew-truitt/8/622/713



"Don't get me wrong: I love nuclear energy! It's just that I prefer fusion
to fission. And it just so happens that there's an enormous fusion reactor
safely banked a few million miles from us. It delivers more than we could
ever use in just about 8 minutes. And it's wireless!"

~William McDonough


On Mon, Mar 12, 2012 at 9:13 AM, Dan Fink <danbob88 at gmail.com> wrote:

> The Midnite Classic controllers come with arc-fault protection built in.
>
> --
> Dan Fink,
> Executive Director;
> Otherpower
> Buckville Energy Consulting
> Buckville Publications LLC
> NABCEP / IREC accredited Continuing Education Providers
> 970.672.4342 (voicemail)
>
>
> On Mon, Mar 12, 2012 at 10:09 AM, JRQ <quackkcauq at yahoo.com> wrote:
> > I've been wondering about this since I read over the 2011 code:
> >
> > Are there any listed DC arc-flash products on the market yet, or
> scheduled
> > to come to market within the next year?
> >
> > Also: will arc-flash protection come in the form of breakers that need
> to be
> > installed externally, or will it be something internal to the inverters
> or
> > charge controllers to which source circuits are wired? Will they need to
> be
> > installed on each string, or can they function on a combined circuit?
> >
> > Do systems with DC optimizers or with micro-inverters have arc-fault
> > protection at the module level?
> >
> > Jeffrey Quackenbush
> > NABCEP Certified PV Installer
> > Peripatetic Solar Technician
> >
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