Good question and answer, I talked to several at the SPI and indeed they are being developed (series arc fault), But universally people said they have no standard to test to. UL has not writen the "test that must be passed" Darryl
--- On Sat, 10/23/10, Bill Brooks <billbroo...@yahoo.com> wrote: > From: Bill Brooks <billbroo...@yahoo.com> > Subject: Re: [RE-wrenches] 2011 code changes > To: "'RE-wrenches'" <re-wrenches@lists.re-wrenches.org> > Date: Saturday, October 23, 2010, 11:35 AM > Rebecca, > > Although I recommended delaying the implementation of > arc-fault detectors, > the Code Making Panel felt that the hazard justified the > requirement. > Article 90.4 clarifies the NEC's approach to your concern: > ******************** > 90.4 (paragraph 3) > This Code may require new products, constructions, or > materials that may not yet be available at the time the > Code > is adopted. In such event, the authority having > jurisdiction > may permit the use of the products, constructions, or > materials > that comply with the most recent previous edition of > this Code adopted by the jurisdiction. > ******************** > > This is helpful, but once a single listed product is > available (this will > probably happen mid 2011), a jurisdiction is likely to > require it. > > Bill. > > > -----Original Message----- > From: re-wrenches-boun...@lists.re-wrenches.org > [mailto:re-wrenches-boun...@lists.re-wrenches.org] > On Behalf Of Rebecca > Lundberg > Sent: Friday, October 22, 2010 8:35 PM > To: re-wrenches@lists.re-wrenches.org > Subject: [RE-wrenches] 2011 code changes > > Hello Bill and other Wrenches, > > I have seen comments such as this multiple times over the > last few > months. Could you please explain how it is allowed for code > to require > something that is not available? How is this not > discouraging to the > solar industry? I understand pushing the envelope, but as > an installer > this type of comment feels like a deal-breaker? Please help > me > understand how this is going to impact efforts towards > increased > renewable energy adoption. > > "The 2011 NEC already requires series arc fault detection, > which is > not currently available nor are there published standards > to evaluate > them. It is an interesting time with lots of changes > currently > underway." > > Rebecca Lundberg > Powerfully Green, Minnesota > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
