I think for 3741 without RSD devices, the inverter would have to be mounted within 1 ft of the array.
On Tue, Oct 14, 2025 at 11:01 AM Michael Morningstar via RE-wrenches < [email protected]> wrote: > > Wrenches, > > I do not do a lot of rooftop array work and am having trouble > understanding something related to 690.12 and UL 3741. I have a potential > client who is building a new permitted home and has plans approved for a > rooftop array and Sol-Ark/Discover AES battery back up. He has asked me to > quote the install and after looking at his plans, I noticed an absence of > MLPE's. I brought this to his attention and he sent me XR FLUSH MOUNT UL > 3741 PV HAZARD CONTROL INSTALLATION ADDENDUM. His interpretation is that > Ironridge's racking system negates the need for MLPE's, or that the racking > is an alternative to using MLPE's. I'm just not seeing it. Am I missing > something or? > > Thanks, > Michael > > -- > > Michael Morningstar > > > Morningstar Electric Inc > > PO Box 1494 > > Mount Shasta, CA 96067 > > 530-921-0560 > > CSLB 1116835 > > [email protected] > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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