HI Dan, If you are doing 24v battery or below, you should be able to ignore the battery rapid shutdown part. IE under 30v
jay peltz power On Aug 30, 2014, at 2:04 PM, Dan Fink wrote: > Dave; I feel your pain as do many others. > I feel like I've been Rick-rolled on the whole 690.12 thing. As a > firefighter, I thought rapid shutdown was a great idea for roof mounted > arrays. Shut down fast from a central location on the ground, get up on the > roof, do what needs to be done, fast and no worries other than the fire > itself. > > But disconnects hanging 15 feet in the air? Allowed to mount them in the > attic through a locked door to a disused lavatory behind a file cabinet > labeled "beware of the leopard?" - meets code. > Rapid shutdown for ground mount arrays? Just walk over to the danged thing > and throw the clearly-labeled disconnects, the central signage told you where > they are. Problem solved. > All just plain silly, counterproductive and expensive for the homeowner. As I > work exclusively with off-grid systems, most of them ranging from small to > tiny, I've been seeing their potential client's eyes go wide as dinner plates > when I inform them "By the way, Colorado just adopted NEC 2014, and it'll be > an extra $1500 to comply, sorry that's a 33% increase in your system > cost......" > What's happening in the real world is folks getting the household 120/240 AC > wiring signed off as "powered by gasoline generator" and they do the solar > later, and change the gate combo so the inspector can't come back. Now > *that's* counterproductive. > > Robin, glad to hear clarifications are coming in 2017. > > Dan Fink > Buckville Energy > IREC Certified Instructor™ - PV Installation Professional and Small Wind > Installer > 970.672.4342 > > > > > On Fri, Aug 29, 2014 at 11:08 AM, Dave Click <davecl...@fsec.ucf.edu> wrote: > While I share Robin's optimism, I should also note the "NEC 2017 690.12 > committee" referred to is not the code making panel. While it does have (at > least) one firefighter representative among a majority of PV industry > personnel, there's no guarantee that the Code Making Panel approves this > committee's proposal. There could very well be a competing proposal from > firefighters that requires cell-level shutdown every time a red truck drives > within 1/4 mile of an array, because "SAFETY!" > > DKC > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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