davewill
Active Member
I don't think that's true. I've seen many many many reports over the years of Tesla service centers testing people's UMCs on 14-50 outlets at the service center. Since that was the most common method for people charging at home for many years, it made sense for them to make sure to have at least one 14-50 outlet available at every service center to use for basic troubleshooting. So yes, it seems pretty common for them to have one for testing.
It would be pretty easy for them to have a 14-50 on the wall, plus ordinary adapters from that to all of the various receptacle types that the mobile connector can plug into. It's what I would do.