Thanks for the heads up, but I'm not that bad off. The house is new, it's just that with my new solar installation, my breaker box is full. I'll either need to double up or bump up capacity. Nothing catastrophic....just need some planning.
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New owner...home charging necessary?
- Thread starter cgram23
- Start date
Thanks for the heads up, but I'm not that bad off. The house is new, it's just that with my new solar installation, my breaker box is full. I'll either need to double up or bump up capacity. Nothing catastrophic....just need some planning.
If you have the load capacity in your panel for a 60 amp breaker / 48 amp circuit, have your electrician run wire that can support the HPWC, then just downgrade the breaker to 50 amps for your plug. That way when you're ready for the HPWC, it's just a breaker swap and replacing the plug with the HPWC without pulling new wire again. Would allow you to get the full charge rate from the HPWC whenever you're ready for it without having to pull new wire.
Not that you were asking for opinions on this...
Now...that's a solid idea. Thanks.
dhrivnak
Active Member
Home charging to me is one of the largest benefits of having an EV. So I highly recommend you install a NEMA 14-50. Usually not too expensive and it is very flexible. You can easily and cheaply use your mobile connector.
Not sure if this is really accurate... there are a wide variety of NEMA plugs, some need to be on 15A (e.g. 5-15) and some need to be on 60A (e.g. 14-60). The wire size and socket type dictates the breaker. Then in turn, the breaker size dictates max current draw of a device plugged in. Therefore, even the 2nd gen UMC could theoretically plug into a 60A outlet if there was an appropriate adapter made for it since it draws less than 60A (or 48A if you’re talking about continuous load)
Absolutely this!
This is a case where it's important to know how to user proper terminology. The word "NEMA" isn't a name for a specific outlet. It's like the word "metric". It's a name for an entire system of naming. So you wouldn't ask, "How many metrics is it from Portland to Seattle?" You can't answer that. You would need to specify kilometers or meters or what specific unit you are asking about.
In the same way, we can't tell whether your outlet on a 60A circuit is proper or not because you just called it a "NEMA", which doesn't identify it. That could be a 14-30, 14-50, 14-60, 6-30, 6-50, TT-30, L6-30, 5-20, or any of another dozen types.
My wife is still afraid of it and could care less. She has driven it numerous times but not alone yet.
But I know the look he is referring to.
He should have listed that as one of the constraints. I would have agreed immediately.
If it's a new house, it's highly unlikely "full". It may have a lot of slots filled but very unlikely at capacity. If it's new, it's likely 200 Amp.
Newer installs tend to have a lot of more lightly loaded/more dedicated circuits.
Like you said you might have to double up a couple slots.
But you don't need 50A either. I'd say 99% of folks could comfortably get away with 20A-30A 240V.
I run 30A 240V myself on an A/B switch with a Garage heater. Because my panel is only 100A.
I got my home charger installed but have NEVER used it! I have a free public charger, 14 min walk away, across a nice rural path. Good exercise. I have a charger at the office. I use supercharger for journeys.
Love it!
Love it!
While technically correct, it's a bit of a reach to say he's got a 14-60 and is properly using it as Tesla doesn't make a 14-60 adapter.
But I digress, I should have said assuming your NEMA recepticle is a 14-50 it should be on a 50a breaker.
Well yeah, that was for illustrative purposes. I was pretty certain it wasn't a 14-60.
davewill
Active Member
Really? You're regularly tying up a public charging station when you have your own EVSE right at home?
Why not? I am public!
2 chargers, usually both empty or at worst, one in operation.
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