One electrician suggested that the wall connector be attached to the same sub panel ($1200 quote) I think they are both bait-and-switching you (or not understanding what they are looking at - the building boom has drawn a lot of incompetent hacks out of the woodwork unfortunately.) So I think the electricians are hoping to move you into a 200A service "heavy-up". So this seems like fantasy thinking, honestly. Well, you can see where that's not gonna fit. To tack 60A more on that, would assume the whole house only uses 40A, and I bet the A/C alone uses that.
#Tesla wall connector electrician upgrade#
The service was upgraded to accommodate an A/C unit, and I bet the upgrade was to 100A. The Square D "QO" panel is a recent modernization of your original 60A panel (and I'm a bit suspicious that ALL your circuits are 20A, unless you did a TOTAL rewire).
Your house was originally wired with 60A service. I foresee problems with going for absolute max. (it's intentionally hard, as a UL requirement to keep people from tweaking it on the fly). If you ever change your mind and wire it into a bigger circuit, just run the Commissioning Procedure again. During the commissioning procedure you program the breaker size, anything from 15-60 amps. Isn't the Tesla Wall Connector a 60A charger?" No, it's an any rate charger. Given that this might happen 1-2 times a year at most, and saved you 2 grand of real money, that's not so bad, is it? Enjoy the pastry. By the time you're done walking to get a pastry from Panera Bread or Starbucks or whatever's in the mall, it's at 70-75% and go home. That way you're charging in the fast midrange of the battery pack. You stop on the way home at a Supercharger and let it charge up to 70-75%. Hypothetically let's say you had a 250 mile day and you'll have another one tomorrow. In the rare time you need more, Supercharger. However my intuition is that as long as you aren't charging while making Thanksgiving dinner, you could probably snake a 20A circuit in there. That subpanel is fed by 60A, and it uses most of that. This is obviously a modern re-wire of an older all-gas house that had a 60A service. Hardwire it straight into the EVSE (to avoid the costly socket, plug and GFCI breaker) using that yellow stuff (or steel jacketed equivalent for use in a garage).
#Tesla wall connector electrician install#
If it were me, I would do exactly what Alec says at 34:44 and install a 20A circuit right in that garage subpanel. Somehow "I need the fastest charge" is a "brain worm" that gets into the heads of so many prospective EV owners and costs them A LOT of money - or worse, deters them from getting an EV altogether. You do not need to recoup 240-270 miles in an 8 hour night.Īnd I would be remiss to not tell you that. You do not need to charge at 30-35 miles per hour. You do not need the amount of power you think you do. First, you really need to watch this snippet of this video starting at 28:13 and listen to this person's real experience.Īnd if the numbers start to be annoying I want you to skip to 34:44.
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