Good to see this post. As an electrician who has done many of these retrofitted and a few new construction EVSE circuit installations, I tend to agree with most of the advice given. I have found that the easiest way to explain the idea to most potential EV owners is to describe it as a welding outlet (something that has been a common addition to garages for a couple of generations now). As for the 6-50 issue, I agree that it is a good choice, but a raised cover with a grommet for the cord to be sliced inside the box works well too. The plug type cord is usually at least $10 more than those without. For the past couple of years, I have recommended the use of #8 wires as a standard, with a 40 Amp 2 pole breaker, 30 Amp 2 pole if they are using a smaller charger.
-Tom On Mon, Mar 7, 2016 at 5:27 AM, dovepa via EV <ev@lists.evdl.org> wrote: > That is interesting because I purchased a Siemens VersiCharge Gen 2 30 Amp > charger and it had a NE MA 6-50 plug on the end. > > Sent from my Verizon Wireless 4G LTE smartphone-------- Original message > --------From: Cor van de Water via EV <ev@lists.evdl.org> Date: 3/7/2016 > 3:18 AM (GMT-06:00) To: Electric Vehicle Discussion List < > ev@lists.evdl.org> Subject: Re: [EVDL] EVLN: What You Need To Know To > Wire A Garage EVSE > Sorry, but I think this is bad advice. > NEMA 6-50 is not the most common plug. The NEMA 14-50 (RV plug) is by > far the most useful plug, found in every camping and RV spot, it is used > for stove or other appliance connection in newer homes (old homes had > 10-50 or 10-30 for stove and dryer respectively) so I do not know why > 6-50 is recommended in this article? Are there other areas than what I > am aware of > where NEMA 6-50 is common? I could not find them and Wikipedia says of > the > NEMA 6: "The higher-current versions are rare..." > I am only aware of somewhat common use of the NEMA 6-20 which is the 20A > version that looks like the usual NEMA 5 outlet and plug, but then used > on window ACs that run on 240V instead of 120V. > > I would *definitely* recommend to mount a 14-30 or 14-50 where you want > to plug in the charger, since that is also useful for the common > appliances such as a dryer and you can even plug in an RV. > Conversely, if you mount a 14-50 plug on your charger and carry it, you > can plug in at any campground or other RV facility. > > Cor van de Water > Chief Scientist > Proxim Wireless > > office +1 408 383 7626 Skype: cor_van_de_water > XoIP +31 87 784 1130 private: cvandewater.info > > http://www.proxim.com > > This email message (including any attachments) contains confidential and > proprietary information of Proxim Wireless Corporation. If you received > this message in error, please delete it and notify the sender. Any > unauthorized use, disclosure, distribution, or copying of any part of > this message is prohibited. > > -----Original Message----- > From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of brucedp5 via EV > Sent: Monday, March 07, 2016 12:16 AM > To: ev@lists.evdl.org > Subject: [EVDL] EVLN: What You Need To Know To Wire A Garage EVSE > > > > http://www.greencarreports.com/news/1100526_how-to-wire-a-new-garage-for > -electric-car-charging-what-you-need-to-know > How To Wire A New Garage For Electric-Car Charging: What You Need To > Know > Feb 26, 2016 John Voelcker > > [images > http://images.hgmsites.net/lrg/garage_100546966_l.jpg > Garage > > http://images.hgmsites.net/lrg/nema-6-50-plug_100546965_l.jpg > NEMA 6-50 plug > > http://images.hgmsites.net/lrg/nema-6-50-socket_100546964_l.jpg > NEMA 6-50 socket > > http://images.hgmsites.net/lrg/nema-6-50-plug-in-socket_100546961_l.jpg > NEMA 6-50 plug in socket > > http://images.hgmsites.net/lrg/circuit-breaker-box_100546962_l.jpg > Circuit-breaker box > > http://images.hgmsites.net/lrg/circuit-breaker-box-showing-240-volt-circ > uit-for-electric-car-charging-station_100546963_l.jpg > Circuit-breaker box showing 240-Volt circuit for electric-car charging > station > ] > > One of the more daunting perceived obstacles to driving a plug-in > electric > car seems to be the need for a home charging station. > > While plug-in hybrids can be recharged overnight using their 120-Volt > charging cords, battery-electric drivers should really have access to a > 240-Volt Level 2 charging station. > > Those will recharge the full battery pack in anything from 4 to 9 hours, > depending on the specific car. > > Many owners will want to retrofit a charging station into an existing > garage, but to lay out the principles, we're starting with what it takes > to > install one into a garage that's being built or extensively remodeled. > > We've just gone through that process for a new garage in New York's > Catskill > Mountains. (Note this applies only to North America!) > > There are several steps, but it's important to understand that the > wiring is > the first step, and separate from the charging station--since drivers > may > later choose to upgrade to a more powerful station. > > First, work with your contractor and electrician to install a dedicated > 240-Volt line to 1 or 2 feet below wherever you plan to locate your > charging > station. > > We sited ours in a corner of the building so a car can be recharged > inside, > or we can run the cord out underneath the garage door or through the > regular > door on the side of the building. > > Many contractors won't have any prior experience with electric-car > charging > stations, so you may have to educate them. > > The easiest way to put it in context is that it's the same kind of > circuit > used for electric clothes driers or stoves. > > Second, make sure your new circuit is capable of 50 Amps, which means a > 40-Amp charging rate (using 80 percent of the circuit capacity). > > Even if your first charging station is only capable of 24 Amps (as many > less-expensive ones are), you'll want to "future-proof" your garage > wiring. > > Third, tell the electrician to install a NEMA 6-50 socket--the one used > by > most charging stations that aren't hard-wired--in the wall below the > chosen > site. > > One electrician we spoke to preferred hard-wiring, which eliminates > resistance heat between the plug and socket, but we wanted to allow the > charging station to go with us if we move. > > Fourth, once you have your garage wired, THEN select your charging > station > and bolt it securely to the wall. > > Most people will buy a new one; we were lucky enough to have a used one > given to us by Green Car Reports contributor and electric-car advocate > Tom > Moloughney, who was upgrading. (Thanks, Tom!) > > There are more than a dozen charging stations on the market today. > > They can be bought directly from the makers or found at big-box stores > like > Best Buy, Home Depot, or Lowe's--from their websites if not necessarily > in > stock at your local outlet. > > Things to keep in mind: > > - Look for at least 24 Amps of charging capability; 40 Amps is best, > but > more expensive > > - Charging rate should be at least 7.2 kilowatts, which will handle > both > Chevy Volts (3.3 or 3.6 kW) and higher-rate cars like Nissan Leafs and > BMW > i3s (6.6 and 7.2 kW, respectively) > > - Make sure it has that NEMA 6-50 plug on it! > > - Some charging stations are "dumb," while others come from makers > (e.g. > ChargePoint) that offer online connections between your charger and a > phone > app and/or online site that will show you instant and cumulative > charging > statistics > > - Ensure the cord is long enough to reach a car parked outside the > garage. > We'd suggest 16 feet at minimum, and 25 feet is well worth the extra > cost > ... > > Remember: It's no more complex than [installing] an electric clothes > drier > [outlet] --and there are millions of those in garages all over North > America. > [(c) greencarreports.com] > ... > http://venturebeat.com/2016/02/28/how-to-wire-your-garage-for-electric-c > ar-charging-what-you-need-to-know/ > How to wire your garage for electric-car charging: what you need to know > FEBRUARY 28, 2016 > > > > > For EVLN EV-newswire posts use: > http://evdl.org/evln/ > > > {brucedp.150m.com} > > -- > View this message in context: > http://electric-vehicle-discussion-list.413529.n4.nabble.com/EVLN-What-Y > ou-Need-To-Know-To-Wire-A-Garage-EVSE-tp4680829.html > Sent from the Electric Vehicle Discussion List mailing list archive at > Nabble.com. > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Read EVAngel's EV News at http://evdl.org/evln/ > Please discuss EV drag racing at NEDRA > (http://groups.yahoo.com/group/NEDRA) > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Read EVAngel's EV News at http://evdl.org/evln/ > Please discuss EV drag racing at NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20160307/05b2d0ac/attachment.htm > > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Read EVAngel's EV News at http://evdl.org/evln/ > Please discuss EV drag racing at NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > -- Remember, it is not that the glass is half empty, in reality, the glass is merely twice the size that it needs to be! -TNT'82 -------------- next part -------------- An HTML attachment was scrubbed... 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