That's a first for me. The Enphase battery is sealed, but I don't know if that qualifies as sealed against vapor.
I'd reach out to Enphase to get some guidance on that. It's always something with these AHJs. Jason Szumlanski Principal Solar Designer | Florida Solar Design Group NABCEP Certified Solar Professional (PVIP) Florida State Certified Solar Contractor CVC56956 Florida Certified Electrical Contractor EC13013208 On Tue, Sep 9, 2025 at 4:13 PM Zeke Yewdall via RE-wrenches < [email protected]> wrote: > My interpretation of this is that he wants to make sure that the battery > cannot ignite a flammable vapor cloud from gasoline being spilled in > the garage. If he's saying that no electrical equipment that might create > a spark (such as with a relay or switch or circuit breaker) can be below > 18", that may be the case. I might be completely off base here, but I > don't think it has anything to do with it being a battery really, but just > a piece of electrical equipment that might have relays or sparking things > inside? Maybe? In which case... does the 5p have any relays or > contactors, or is it's BMS all solid state? And second question would be > can you document that. > > Zeke > > --------------------------------- > Seeking your suggestions and direction. My AHJ - after acknowledging that > the Enphase 5p battery has a floor mount option - now insists that it must > be 18-inches above the garage floor unless I can produce something that > says it is "Flammable Vapor Ignition Resistant." > > We all know there is no open flame from an ESS and I know the 9540A > depicts a battery at 6-inches. > > Anybody run into this and have suggestions on what I might show back to > the AHJ? > > Howard "Scot" Arey > Owner, Solar CenTex > _______________________________________________ > 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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