nerk
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2018 Nissan portable EVSE manual/wiring instructions

Thu Mar 08, 2018 5:10 am

Hi everyone,

Just looking for some information on how to wire this NEMA 14-50 plug for the new portable EVSE that comes with the 2018 Leafs.

Do you wire it 3 phase? 6 or 8 gauge etc?

Is there any documentation or manuals around it? I may be picking up the car on Monday... Would like to get the work done this weekend so its ready to be charged once it hits my driveway.

Thanks,

goldbrick
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Leaf Number: 311806
Location: Colorado front range

Re: 2018 Nissan portable EVSE manual/wiring instructions

Thu Mar 08, 2018 9:52 am

I would ask your local building inspector for some advice and have them check your work. Or hire an electrician.

Wiring this incorrectly could result in a fatal shock or your house burning down. Asking about 3-phase for this circuit indicates a lack of understanding about the basics of house wiring. No offense, but you could be seriously hurt or killed if this is done incorrectly and I don't think you are qualified to do the work.

If you insist on doing it yourself, you will need to run 2 hot wires from the breaker box to the outlet, plus a neutral and a ground. The required wire gauges are specified in your local building code or the NEC and depend on the wire type and which wire is being considered. Eg, the required gauge for the neutral or ground may be different than the 2 supply lines. If this doesn't make sense to you please do some homework first or hire someone to help.

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davewill
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Re: 2018 Nissan portable EVSE manual/wiring instructions

Thu Mar 08, 2018 10:06 am

Honestly, if you know so little about electrical wiring that you have to ask this, you probably shouldn't be doing it. However, I always approve of learning so here's the best FAQ I know of on the web for this subject. Because it's Tesla oriented some of the info won't apply, but much/most of it will.

https://teslamotorsclub.com/tmc/threads ... q-a.12615/

I would add that the FAQ assumes that your 14-50 will be on a 50a circuit because the Tesla plug in EVSE assumes that. The LEAF EVSE only needs a 40a circuit. You can certainly use a 50a circuit, and I would recommend that if you're pulling new wire. However, if your panel is limited in capacity, you might have room for 40a, but not 50a.
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nerk
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Re: 2018 Nissan portable EVSE manual/wiring instructions

Thu Mar 08, 2018 12:41 pm

Sorry, I asked the wrong question... interpreted incorrectly from my electrician... and yes, it will be inspected, i'd never take the risk...

I'm not doing the job myself, rest assured...

I think he was just asking to see if there's anything different than a standard 240v jack for an EVSE... I've read a couple different ways for a flo EVSE, single phase or 3 phase, which is where the phases part of the question might of came in... I was wondering if the Nissan portable EVSE had a required specification...

He's done pools, and house wiring, but never for an EVSE...

Just want to make sure we got things done right...

Thanks,

goldbrick
Posts: 186
Joined: Tue Aug 01, 2017 3:33 pm
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Leaf Number: 311806
Location: Colorado front range

Re: 2018 Nissan portable EVSE manual/wiring instructions

Thu Mar 08, 2018 2:02 pm

Depending if your Leaf supports 3.3kW or 6.6kW charging, it will pull either 15A or 30A continuously from the wall respectively. If you have 6.6kW charging on your Leaf I think it will have the larger DCFC socket under the charge door as well.

Your electrician should know this but for a 30A continuous current the circuit should be sized for 40A. Hence the 40A plug and wire sizes. If you ever plan to get an EV that will charge at > 30A, you could up-size the circuit now so it will handle the future equipment. You will also need to have EVSE to support the larger charge rate as well. If you only want to charge your Leaf for the foreseeable future, your electrician should just install a generic 40A, 240V circuit to your EVSE. It will be similar to the circuit for an electric range.
Last edited by goldbrick on Fri Mar 09, 2018 9:41 am, edited 1 time in total.

baustin
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Re: 2018 Nissan portable EVSE manual/wiring instructions

Thu Mar 08, 2018 4:52 pm

nerk wrote:Sorry, I asked the wrong question... interpreted incorrectly from my electrician... and yes, it will be inspected, i'd never take the risk...

I'm not doing the job myself, rest assured...

I think he was just asking to see if there's anything different than a standard 240v jack for an EVSE... I've read a couple different ways for a flo EVSE, single phase or 3 phase, which is where the phases part of the question might of came in... I was wondering if the Nissan portable EVSE had a required specification...

He's done pools, and house wiring, but never for an EVSE...

Just want to make sure we got things done right...

Thanks,


Tell him that it is wired like a standard 50amp RV plug. There is nothing special about it.
2013 Leaf SV - Cayenne Red - QC Port - LED Headlights

LeftieBiker
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Re: 2018 Nissan portable EVSE manual/wiring instructions

Thu Mar 08, 2018 4:56 pm

One possible source of confusion is the fact that an EVSE doesn't need or use a Neutral wire. Unless your charging station will be hardwired, though, you want a standard 240 volt circuit WITH Neutral, so other 240 volt appliances can safely plug into that outlet.
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GlennD
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Re: 2018 Nissan portable EVSE manual/wiring instructions

Thu Mar 08, 2018 7:27 pm

What ever you do tell the electrician you have an RV and you need a 14-50 outlet installed, If you say it is for your EV than the electrician thinks you made his yought payment! Large RV's use a 14-50 at 240 VAC so the request is not unusual.
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nerk
Posts: 57
Joined: Mon Sep 18, 2017 12:19 pm
Delivery Date: 12 Mar 2018

Re: 2018 Nissan portable EVSE manual/wiring instructions

Fri Mar 09, 2018 6:21 am

ok great...

Then should be a simple install, my electrician is a cousin of mine, so he already knows I'm getting an EV, gave him a heads up months ago..., but like I said, the EVSE thing was foreign to him...

If its the same as an RV, shouldn't be problem...

Thanks, I'll pass along the information...

alozzy
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Re: 2018 Nissan portable EVSE manual/wiring instructions

Fri Mar 09, 2018 4:15 pm

It's the same receptacle he would wire for an electric range/oven - NEMA 14-50R
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