Ford Mobile Charger and 14-50 -- GFCI

machefan

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Another quick question


Since the mobile charger is supplying 32A to the car, had anyone tried it on a 40A circuit?


I mean a nema 14-50 outlet but the breaker on the circuit is 40A?
That is my exact setup for years with different chargers, no issues at all.
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RockwallRick

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Still don’t have a car yet but if I can get the demo back again this weekend then I will be able to try out my new Nema 14-50 outlet in the garage.
 

Illinibird

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I don't know your program, but there must a phone number you can call. We have this in Quebec for the Roulez Vert program. I called 2 times to get all the info I needed.

I'm all set for my 8k credit for the car and the $600 credit for the charger
Thanks. I think I found the form for US. I'm going to talk to my accountant. I thought our program expired last year but apparently it did not.
 

HuntingPudel

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Yes, unless the distance between breaker and charger is like 150ft! Then you would need 4AWG.

Just wondering why there's a different size for your ground, didn't he used a "all in one electrical wire"?
Most Romex (or Romex - style) cable comes with a ground wire one step smaller than the lines.

Part of the reason why it is allowable for the ground wire to be slightly smaller than the lines is because if there is a fault to ground the breaker is supposed to trip, leaving very little time for the wire to heat to a point of danger.
 
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Most Romex (or Romex - style) cable comes with a ground wire one step smaller than the lines.

Part of the reason why it is allowable for the ground wire to be slightly smaller than the lines is because if there is a fault to ground the breaker is supposed to trip, leaving very little time for the wire to heat to a point of danger.

You're right I had forgotten about that!
 


buffasnow

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Thanks. I think I found the form for US. I'm going to talk to my accountant. I thought our program expired last year but apparently it did not.
It was set to expire at the end of 2020, but was renewed. Same criteria, AFAIK.

You have already settled on your EVSE/wiring solution, I think, but it would pay to be aware of wire size in regard to your EVSE and any potential outlets. I have 4ga wire, run to a 14-50 on a 50A breaker. The thickest wire the 14-50 accepts (per my electrician) is 4 ga. The thickest wire my Chargepoint Flex accepts is 6ga. So if one was to try to provide for the future by oversizing the wire to 4ga and also wanted to hardwire the Chargepoint, they would have a dilemma. Electricians may chime in here with advice were anyone interested in this sort of thing.
 

Illinibird

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It was set to expire at the end of 2020, but was renewed. Same criteria, AFAIK.

You have already settled on your EVSE/wiring solution, I think, but it would pay to be aware of wire size in regard to your EVSE and any potential outlets. I have 4ga wire, run to a 14-50 on a 50A breaker. The thickest wire the 14-50 accepts (per my electrician) is 4 ga. The thickest wire my Chargepoint Flex accepts is 6ga. So if one was to try to provide for the future by oversizing the wire to 4ga and also wanted to hardwire the Chargepoint, they would have a dilemma. Electricians may chime in here with advice were anyone interested in this sort of thing.
I’m glad you clarified that for me. I will probably go out and buy a 40 amp EVSE. Are there any with Wi-Fi connection?
 

ZuleMME

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I’m glad you clarified that for me. I will probably go out and buy a 40 amp EVSE. Are there any with Wi-Fi connection?
I'm certainly leaning toward the OpenEVSE. Wifi settable from 6A to 40A (or 48A if you choose that model which *should* be hardwired). Smart features, only $530 or so. And in stock I think!
 

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I’m glad you clarified that for me. I will probably go out and buy a 40 amp EVSE. Are there any with Wi-Fi connection?
Yes, but you can also find some without WiFi if that is a concern.
 

Aye Aye Ron

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This is allowable in the US per the NEC. I can't say how it's treated in Canada!
Small caveat to this is that the NEC isnt the final say on any electrical install, it is merely a minimum standard.
The Authority Having Jurisdiction has the final say on how an install should be done, and they may have a higher standard than the NEC.
Best thing to do is call your local electrical inspector and have a chat, they will point you in the 'correct' direction.
 

Illinibird

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Yes, but you can also find some without WiFi if that is a concern.
If I buy a 40 amp EVSE I am going to look for a Wi-Fi unit as they are more versatile. I'm not sure "my boss" will let me purchase one yet.
 

shutterbug

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Thanks. I think I found the form for US. I'm going to talk to my accountant. I thought our program expired last year but apparently it did not.
You're limited to installing the charging equipment at your primary residence. It doesn't matter if you install the wiring in March and buy the EVSE in September. Same year. If you change your primary residence, you get a second credit for the new install.
 

Illinibird

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You're limited to installing the charging equipment at your primary residence. It doesn't matter if you install the wiring in March and buy the EVSE in September. Same year. If you change your primary residence, you get a second credit for the new install.
Thanks. I got the credit for the 14-50 outlet last year and was under the assumption that was the last year I could get a tax credit. Now I know it still is in effect.
 

shutterbug

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Thanks. I got the credit for the 14-50 outlet last year and was under the assumption that was the last year I could get a tax credit. Now I know it still is in effect.
If you took credit for last year, definitely check with your accountant, if you can take additional credit for this year for improving it with a new EVSE.
 

BMT1071

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I’m glad you clarified that for me. I will probably go out and buy a 40 amp EVSE. Are there any with Wi-Fi connection?
I have the ChargePoint Home Flex. I went with that one for a few reasons. Good feature set, highly rated, and my utility offered a $250 instant rebate. You should check to see if your utility has a similar program.
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