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I need help figuring out my home charging situation

Farafield

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I'm considered getting one of these trucks and I need help figuring out my home charging situation. I have a 240v outlet in my garage thats on a 40 Amp breaker thats shared with my dryer(different outlet - same circuit). I was planning to use this for home charging but discovered the the outlet is a NEMA 10-30. How straight forward is it to update to a NEMA 14-50? Is it just plug and play like a typical 110v outlet? Can I just use an adapter? This outlet claims its rated up to 50 amps.. (pic attached)

My other option is, I have a another 40amp breaker for a 240v outlet in my kitchen thats not currently used. My stove is gas. I could potentially have a charger hard wired to this circuit. Adding a new circuit is not possible for me.

Second question, total house amps is 90 Amps. I know low, but has been sufficient for me since Heating/Water/Stove are gas. Will charging on 32amps draw to much power?

IMG_2666.jpeg
Do you need to have the fast charging option? It takes forever to charge up to 80% but if you're not driving that much every day, you may not need the fast charge. That's what I am doing. No need to reply, just want to throw that out there.
 

topher10

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I am a relatively new owner, but thought I would add my 2 cents:

1. I agree with the suggestion to hire an electrician if you have any uncertainty. I would not assume the existing wiring is correct. It seems wise to take the unneeded slot for the kitchen, put it in a new breaker, and run a new wire to an EVSE that lets you adjust the rate of charge.

2. As the poster above indicates, I would consider how much you drive a day and how much time you will need to recharge each night. If you are only driving 20-30 miles a day, you can charge nightly at relatively low kW and be fine. But if you are driving 180 miles a day and need it back to full each morning, that load might strain your system.

For my part, I purchased an Emporia EVSE and had it hard wired by an electrician with a 60 amp breaker. Even though it can charge at 48amps (11.5kw), I have it set to 40amps (9.6kw) because I usually drive less than 20 miles a day. I feel that gives the system a little headroom, and at 9.6kw I still only need a few hrs to top up the battery. I could get by with dialing it even lower, but not sure it makes a difference.
 

bmccaul

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Good ideas. Ultimately I think wiring a charger outlet from your unused kitchen circuit is the best way to go.

If you don’t want to bother with wiring or electrician, neocharge smart splitter is an option. Plugs into your dryer outlet, then charger and dryer plug into it.
It will cut power to charger if you turn on dryer, then resume charge after dryer stops.

https://getneocharge.com/products/n...Rg1lBpDT2FXHlcwBSJHIy3w1wFD7Y19Xw-Tv3kdy7djaw
 

flyct

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Lots of good information here and some not so good.


1- Looking at the picture the OP posted it looks like the outlet is supplied with a 10 AWG orange Romex cable that is only good for up to 30 amps. Having that circuit protected with a 40 amp breaker is a fire hazard

2- sharing the dryer outlet with another outlet is another code violation and fire hazard.

3- having the outlet exposed without a cover plate is another safety hazard.

4- Plugging in a Ford mobile charger into a 30 amp outlet shout not be done since it draws 30-32 amps continuous. A 30 amp outlet/circuit is only rated for 24 amps continuous.

The good advice is to have an electrician recommend and implement a safe solution. If here is ample head room repurposing the unused 40 amp breaker and running adequate wire to a 14-50 outlet might be the best solution. A 40 amp circuit can legally supply 32 amps continuous .

Disclaimer: I am not an electrician but I’ve pulled multiple homeowner electrical permits and I’ve never failed an inspection.
 

B177y

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If your house was built in the '60s, you may have aluminum wiring on the stove and dryer circuits. The constant load of an EV charger was never a thought on any home wiring from that era.

I agree with some other posters to have a professional evaluate your situation and provide a professional opinion.
 

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Tony Burgh

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Although I spent 40 years in various engineering groups for industry and felt qualified to install my 80 amp FCSP, I hired a licensed electrician for the installation. I knew exactly what he had to do and what wiring he needed. But if anything goes wrong, I have backup.

fwiw - I was a registered PE. That license gave validity to being an expert witness and verified my training and education.
 

shelnian

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You can't just replace your 10-30 outlet with an EV rated 15-50 outlet, Hubbell, Bryant, or Levitron because they won't fit into a single gang box. Box will need to be a deep or oversized 2-gang box.

Isn't Ford now offering free charger installs? If not, maybe can buy a charger at a discount from your local electrical utility and hardwire it to your spare 40A circuit. I bought the ChargePoint Home Flex for $250 from my local utility.

Most local electrical codes require EV outlets to be protected by a GFCI breakers unless the charger is hardwired which is why hardwiring chargers is recommended. I have seen where the ChargePoint Home Flex chargers cause nuisance tripping of GFCI breakers to the point where the breaker trips almost every charge cycle. Had to hardwire it and replace the breaker with a standard one eliminate this.

No, wouldn't use an adapter because they can cause fires.

The 90A service should be fine unless you have any large loads such as AC units or a well pump.
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