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Comment by rlkf | Hacker News Reader

No need, because it is simply untrue: Electric vehicles can charge on anything from 1-ph 8A 240V, to 3-ph 32A 400V, all of which can easily be provided by common urban household wiring.

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Or even less. I tell my Model S to charge at 5A when I am at home (230 V single phase). Gets me 5 km per hour, 60 km from 18:00 to 06:00 which is fine because I average about 20000 km a year which is less than 60 km a day. On road trips I use the superchargers.

Not sure who is downvoting you. I charged my Tesla Roadster on 120v 15A for like 6 years.

Apparently motels are having to crack down on "extension cording" now. Park near your room, crack a window, free fill up...

It’s just a few dollars, maybe the should try letting people pay?

where are you located that household 3 phase is available? Lots of hobby machinists would kill for that but it just isn’t available most places.

Annecdata: all the houses I personally know of in the south bay (North California, USA) area have three phase power, and the oldest was built in the 1940es.

Charging a Model S from a 110V 20A outlet is very slow and probably not a very useful option (but I have done it on a visit to LA).

Three phase (typically 480/3)? Or split-phase 240 VAC (center-tapped, single-phase 240V)?

The latter is extremely common/the standard residential service. The former is extremely uncommon residentially.

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