this post was submitted on 31 Mar 2026
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[–] partial_accumen@lemmy.world 1 points 5 hours ago

"The last people you should be getting advice from about electric cars is electric car enthusiasts."

And then, Alex the electric car enthusiast himself, goes on to say later:

"I don't know why the world isn't getting excited about this! You can literally have a gas station at home using the exact same technology that operates a clothes dryer!"

I love you Alex! Never Change!

First, he's right in his first statement. Those of us that really are enthusiasts will go far beyond what is needed, and may lose sight of what someone that isn't an enthusiast actually cares about.

Second, a suggestion for Alex, if you are on the Fediverse: You very briefly touched on the NEMA 6-20, but I think it needs more attention.

To me that outlet (which goes on a 240v at 20A circuit) is the sweet spot for home EV charging with regards to speed and low cost. Why? It uses the same common cheap 12/2 household wire that many of your existing household circuits use. With copper prices always on the rise, larger gauge wire starts getting exponentially expensive. The magic is really the 240v. You don't get double the charging speed of 120v, you get nearly quadruple! And for the same wire! One other change I'd recommend is getting hardwired EVSE (car charger) because it can let you charge faster on the same wire as a plug in charger (because of electrical safety codes). If you have an electrician at your house running a circuit anyway, having them wire up a hardwired charger at the same time is not a high price increase.

I know this is a Tesla specific charge, but the value here is showing all the various current ratings and how that scales with charging speed. Check out our 240v 20A hardwired charger performance (in the green square):

15 MPH of charging from cheap 12/2 wire (regular yellow romex)!

One extra note here, if you already have a dedicated 120v (15A or 20A) circuit to your garage with a regular outlet on it, you can simply change the breaker in the box to a 240v breaker and change the outlet receptacle in the garage with zero modification to the wire in the wall) and get the benefits of 240v speed charging!