We had a minor surprise when we picked up our Sig Perf on Friday, one that the guys at the factory quickly fixed after hours. We added a temporary 220V plug via SolarCity, for charging, while we await the UL approval of the high-speed charger. But when we arrived home, we discovered that the 220V adapter plug on the mobile connector didn't fit the wall outlet. It turns out that the temporary install from SolarCity uses a NEMA 6-50 outlet (no neutral wire), to make the high power charger install easier (it also uses no neutral wire). Unless Tesla has you officially purchasing the high power charger, for future delivery (after UL listing), they'll provide the standard 220V adapter, which is a NEMA 14-50 configuration.
It was a bit of miscommunication on our side as well - we had postponed buying the fast charger until UL approval, but bought the whole wirign install from SolarCity (220V plus future fast charger). Even so, Tesla was able to zip a 6-50 adapter to us the same night we took delivery (great work guys), but that might not be so easy for locations further from the factory. So double check your outlets and adapters carefully, prior to driving away.
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