The subpanel you would install there would have 3 breakers: All "dedicated": 1. For the Solar inverter(s), 2. For your 120v outlet, and 3. for your 14-50. The feed from the main panel is no longer a "solar feed", it's a "subpanel feed", this is what makes it legal.
On Sun, Mar 10, 2024 at 6:11 PM <markehans...@gmail.com> wrote: > Hi Phil, > > > > The 20A 120VAC courtesy outlet is on a 20A breaker at the ground mount > array that we put on most volunteer solar jobs that pass inspection. I > don't see why a 240VAC on a 50A breaker tapped off (at the array or home) > would be any different. > > > > The NEC code says the solar circuit is on a single dedicated line - same > for an EV charging circuit, so technically solar arrays shouldn't have > *any* courtesy outlets on them even though they pass inspection. The > garage tap-off for solar seems like the same fudge since that's not > dedicated either - but passes inspections & local electricians tell me that > both are ok. > > > > > > Have a renewable energy day, > > > > Mark > > > > Mark E. Hanson > > 184 Vista Lane > > Fincastle, VA 24090 > > 540-473-1248 phone & FAX, 540-816-0812 cell > > REEVA: community service RE & EV project club > > Website: www.REEVAdiy.org (See Project Gallery) > > *UL* Certified PV Installer > > My RE&EV Circuits: www.EVDL.org/lib/mh > > REEVA Demo: http://youtu.be/4kqWn2H-rA0 > > Fincastle Solar Weather Station > <https://www.weatherlink.com/embeddablePage/show/a88920376f864ecabaed843dd8975b8d/signature> > > > > > > > > *From:* (-Phil-) > *Sent:* Sunday, March 10, 2024 6:07 PM > *To:* Electric Vehicle Discussion List <ev@lists.evdl.org> > *Cc:* Mark Hanson <markehans...@gmail.com> > *Subject:* Re: [EVDL] Adding a 14/50 EV courtesy outlet to a solar array > > > > Yes, you'd need a subpanel, as any outlets you add could get 50A from the > breaker PLUS whatever your solar is generating. The 120v outlet without a > proper breaker to limit current is super dangerous, as you'll definitely > get 50A even at night, and even more during the day! > > > > On Sun, Mar 10, 2024 at 2:56 PM Mark Hanson via EV <ev@lists.evdl.org> > wrote: > > > > > > Hi Folks > > I was reading in Solar Power World where a California solar installer > adds a 14/50 240Vac 50A outlet on the same solar array 50a circuit (for EV > charging). We have added 120vac courtesy outlets on our solar array and > pass inspection even though NEC says solar must be on a dedicated circuit > (also tap off garage circuits that are not dedicated). I couldn’t find > anything direct on Google if it’s a code violation to add a 240V outlet > like we do a 120V outlet on the same 50A branch circuit? Does anyone know > if this is ok/code compliant? > I assume a local 50A breaker to the 14/50 outlet might be needed since > there’s two sources, 40A solar plus 50A from panel branch circuit. > > Best regards Mark > > Sent from my iPhone > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20240310/f98f76d9/attachment.htm> _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
