Lumeta dealer has been sending links for unlisted wire management systems, nothing from Lumeta itself. Cooper B-Line EnviroShield is listed and is an easier drop in raceway but very expensive.
On Tue, Sep 6, 2011 at 4:02 PM, Mark Frye <[email protected]> wrote: > ** > The idea of "within the array" goes to the idea that the conductors will be > located on the underside of an array of traditional framed moduled and will > be afforded a modicum of protection from physical damage by the module > itself. > > So the issue is one of physical protection of the conductors. That is what > tha AJH should be looking to. If he has cold feet about approving a > non-standard method using un-listed componets based on local conditions, > then he is understandably going to ask for a solution utilizing listed > materials and standard methods. > > What kind of support are you getting from Lumeta around this? > > Mark Frye > Berkeley Solar Electric Systems > 303 Redbud Way > Nevada City, CA 95959 > (530) 401-8024 > *www.berkeleysolar.com* <http://www.berkeleysolar.com/> > > > ------------------------------ > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of * > [email protected] > *Sent:* Tuesday, September 06, 2011 12:44 PM > *To:* [email protected] > *Subject:* [RE-wrenches] 690.31(B) "within the photovoltaic array" > > Wrenches, > > I am installing Lumeta peel and stick modules (similar to laminates) on a > flat EPDM roof. No racking. NEC2008 690.31(B) says single conductor cable > listed and labeled as PV wire shall be permitted in exposed outdoor > locations..."within the array". 690.2 defines array as a mechanically > integrated assembly of modules or panels within a support structure...to > form a direct-current power producing unit. With the Lumeta's there is no > support structure. If you look at the diagram in the NEC 2008 (page 70-576) > it shows a box around the modules or panels and labels that box as the > "Array or photovoltaic power source". > > My AHJ was at first not sure but then told me I had to install all the PV > wire in a listed raceway because the interconnects between the Lumeta's were > not within the array. But if you draw a box around all the Lumeta's it would > look like the array diagram that I referred to above. > > Because of my roof layout, it would be much easier to install an unlisted > wire management system within the array rather than conduit which I will do > but in reading the NEC it just wasn't clear to me what "within the array" > means. > > Any thoughts would be appreciated. > > Thank you. > > Larry Liesner > Design and Installations > Elektron Solar, LLC > 16 Ketchum St. > Westport, CT 06880 > 203-557-3127 (office) > 203-644-2404 (cell) > 203-549-0977 (fax) > [email protected] > NABCEP Certified PV Installer (# 032611-184) > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > 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 > > > -- Larry Liesner Design and Installations Elektron Solar, LLC 49 Richmondville Ave Suite 107 Westport, CT 06880 203-557-3127 (office) 203-644-2404 (cell) 203-549-0977 (fax) [email protected] NABCEP Certified PV Installer (# 032611-184)
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