Is the number of firefighters hurt by PV systems still zero? If we want to make a safer world, this is not the best place to be putting our life energy.
> Mark- > > 690.56(C) provides the placard you're looking for and 690.56(B) tells > the first responder where that 690.12 switch is, right? > > For 2017 there are a couple of proposals out there. One is trying to > better educate that first responder (quickly!) as to what hazards exist. > Another is clarifying some of the language for 690.12 such that we > continue to have [better] array-level shutdown. Another is changing > 690.12 to [basically] module-level shutdown, which has been signed onto > by the IAFF, insurance companies, and... some module-level electronics > vendors. > > We've installed many, many rooftop systems but we're only about 0.1% > done with them. Regardless of how 690.12 changes, I think that in the > next few years we'll all be revisiting every system we've ever worked on > to make sure there's enough labeling to inform firefighters about the > hazards. I'm curious how we're going to do that so that a 2027 > firefighter can quickly distinguish between 2014's Rapid Shutdown, > 2017's Even Rapider Shutdown, 2020's BlockOutTheSun Shutdown, 2014's > Rapid Shutdown That Actually Still Works, 2011's System That Will Only > Shock You If You Cut Through a Module, and 2005's Never-Code-Compliant > system that incorrectly has a "Rapid Shutdown" label on it because the > homeowner noticed that their neighbor had one. Somehow we need to make > sure firefighters know exactly what they're up against. > > Non-farcically, > DKC > > > On 2015/2/5 20:08, Mark Frye wrote: >> ...without a mandatory "Stop" switch co-located with the service meter >> or main breaker? >> >> How many roof top systems have been installed to date? Many, many, many, >> many. >> >> OK ,now I am a first responder showing up at a home that is on fire. How >> do I know whether or not the DC has been installed such that it provided >> the protections afforded by 690.12? I don't. Because it is not require >> for systems conforming to 690.12 to look any different to me than those >> that do not. >> >> So does the "stop" switch become the new "fire fighters club" logo? If >> you have the switch the FD will save your home, if you don't they will >> let it burn down, even if you have a 690.12 compliant system that does >> not include an "initiator switch"? >> >> Mark Frye >> >> >> >> >> _______________________________________________ >> 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 >> >> > _______________________________________________ > 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 > > _______________________________________________ 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