wwhitney
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Tue Jan 02, 2018 2:47 pm

GerryAZ wrote:You mentioned a 5-15 duplex receptacle for a dedicated 20-ampere circuit. Wouldn't you either need two (or more) 5-15 receptacles or a 5-20 receptacle to comply with Code on a 20-ampere circuit?

A duplex receptacle is already two receptacles. The code section you are referring to restricts branch circuits serving a single receptacle only, in which case the receptacle rating has to be at least as large as the branch circuit rating. So a simplex receptacle on a 120V, 20A branch circuit would have to be a 5-20 or larger receptacle.

Cheers, Wayne

GlennD
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Tue Jan 02, 2018 8:44 pm

The only reason to install a 120VAC circuit is if you intend to use the supplied EVSE. Even with an unenhahsed leaf 16A @240VAC is mach faster.

L2 exists because it is faster than L1. There really is no car based reason to add a 120VAC circuit.
2012 Cayenne Red SL traded for:
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smkettner
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Tue Jan 02, 2018 9:21 pm

Would work well to plug in the shop vac to vacuum the vehicle, orbital buffer to give it a wax, or the compressor to fill the tires.
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2 bar lost at 35,339 miles, 25 months.
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LeftieBiker
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Tue Jan 02, 2018 10:38 pm

Can you say "battery maintainer"?
2013 "Brilliant Silver" SV with Premium and no QC, a 2009 Vectrix VX-1 W/18 Leaf modules, and 3 EZIP E-bicycles.
PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

jake14mw
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Wed Jan 03, 2018 6:35 am

BrockWI wrote:Or if your running an 8-3 for the main EVSE I would add a 12-3 and two outlets. Then you could have two 120v 20 amp outlets or a single 240v 20 amp outlet if needed. Or you could just the 12-3 for a single 120v 20a outlet. The cost difference between 12-2 and 12-3 is very small compared to pulling the wire in the first place.


Thanks for your reply. I think this is what I plan to do, but why two outlets?

BrockWI
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Wed Jan 03, 2018 6:55 am

You wouldn't have to have 2 outlets, but with 12-3 you could use it as two 120v 20 amp outlets or leave one wire unused and run a single 20 amp outlet. Then in the future if you ever needed to you could re-terminate the wires and a 6-20 in the same spot and run a 16 amp Level 2 charger and feed the outlet 240. Which technically you could do with 12-2.

It's just the cost of running the wires is the most and going from 12-2 to 12-3 is pretty small in comparison. And then if you ever needed it you would have access to two 20 amp 120 circuits.
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jake14mw
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Wed Jan 03, 2018 7:58 am

Thanks. As far as installing the 240 and 120 outlet from the two different "cables" on the wall, codewise or logically, is there a certain distance apart that the two boxes should be, or need to be?

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Nubo
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Wed Jan 03, 2018 9:01 am

GlennD wrote:The only reason to install a 120VAC circuit is if you intend to use the supplied EVSE. Even with an unenhahsed leaf 16A @240VAC is mach faster.

L2 exists because it is faster than L1. There really is no car based reason to add a 120VAC circuit.


If the L2 EVSE fails, the Nissan-supplied L1 is a nice backup.
I noticed you're still working with polymers.

GlennD
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Wed Jan 03, 2018 1:26 pm

It would be a good idea if you use the stock L1 EVSE. A new circuit has unworn outlets. The main problem with L1 EVSE's is overheating from worn outlets. 12A is quite a load and it will quickly show up any problems.
2012 Cayenne Red SL traded for:
2013 Pearl White SL Premium
Traded for a Cirrus White 2014 Mercedes B (totaled)
2016 Urano Gray eGolf SEL w/ drive assist
Loved the VW but it sat too low for my old body
Back to a Cirrus White 2017 B250E

MikeD
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Re: Should I install a 20 amp 110 circuit along with my new 240??

Thu Jan 04, 2018 8:43 am

wwhitney (or anyone else): Assuming one has 200a service, I would be interested in knowing (say, according to a recent NEC) how one could ballpark estimate if it were safe to add two new 40a 240v EVSE circuits at one's residence so that two 6kW Leafs could be charged at the same time.
Last edited by MikeD on Thu Jan 04, 2018 10:59 pm, edited 1 time in total.

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