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Did you not get a letter requesting return of the old one? What if they charge you for it?
mknox
Well-Known Member
If you didn't specifically request it, it would be illegal for Tesla to bill you for it. Those laws came in to protect folks from scams where merch is sent out unsolicited with an invoice, but I think it would apply here. FWIW, Tesla sent me a new NEMA 14-30 adapter a year or so ago, but I never did return the old one.
green1
Active Member
Canuck
Well-Known Member
Well, it's confirmed, they gave me the new adapter with my car
Why not just buy the US adapter? It's not really an "older" adapter, just a different part number:
TESLA PN: 1014324-00-E (US)
TESLA PN: 1059530-00-A (Canada)
Tesla Accessories and Charging Adapters NEMA 14-50
green1
Active Member
I doubt they'll willingly sell me one, but I may try when I dip down to the US next month.
Interesting side note. TEUNTSLA just bought a CPO 2013 MS, it has the original UMC in the bag (or at least I'm assuming it is by how beat-up it looked) but a brand new adapter.
Canuck
Well-Known Member
I added the US one to my cart and went to checkout and it worked fine for me but I didn't go any further. I don't see why a Canadian can't buy one for when we travel in the US?
Forty Creek
Member
Just received a new UMC and updated adapter via Fedex. Wow, there is a lot of speculation here. Too bad the accompanying letter doesn't just come right out and tell us why this is being done. The letter contains marketing fluff, but little information. "Tesla is committed to continually innovating and updating its vehicles and associated equipment to create a better ownership experience...." "Please put the original version of the MC and its adapter in the box and return them to Tesla using the enclosed prepaid label". The letter does clearly say this is a pilot program being rolled out in Ontario. This is an expensive piece of kit and my old one is working fine. Kind of hate to give it back without understanding the issue. Guess I'll talk with Tesla Customer Service to hear what they say.
Yes, it is perfectly legal to have a 50A receptacle on a 40A breaker in the US, and it's not going to change any time soon.
However, it is NOT legal to connect the Tesla UMC to a NEMA 14-50 that is connected to a 40A breaker, because regardless of your ability as a user to control the charging current, the device is rated as a 40A continuous load which requires 50A circuit rating.
There is nothing I see in Code that would restrict current to 32A. And it may not even be related to Tesla's replacement of UMC's. That may be more related to cUL listing than anything, or perhaps it could be Tesla wanting to address complaints that it keeps tripping circuit breakers for circuits installed with 40A breaker. I'm speculating on all this.
DMC-Orangeville
Audi eTron & John Deere 5100E
Mike, I checked with a colleague, who works at ESA, with all of the inspectors. (He is a trainer) He made inquiries, and came up empty handed. Snippets from his responses are in some of my previous posts in this thread.
mknox
Well-Known Member
I couldn't see anything either, but it might have come out of another province. Something must have happened for this to be an issue being pushed through here in Canada.
DMC-Orangeville
Audi eTron & John Deere 5100E
True....but you think they would talk, and spread the information through IAEI or other shared boards.......
llavalle
Member
The more I read about this new thing, the more I think that the pilot program is not to test the new UMC (the hardware) but more to test the reaction (or non-reaction) of the owner to the reduced charging speed.
Tesla : I give you this NEW & IMPROVED UMC for testing.
Most owner : great!
Some owners : wtf, 32amp charging?
Then gauge the reaction.
Tesla : I give you this NEW & IMPROVED UMC for testing.
Most owner : great!
Some owners : wtf, 32amp charging?
Then gauge the reaction.
Knobby
Member
Well it's true, the new UMC + new 14-50 adapter limits to 32A. Just tried it. Old UMC+Adapter goes to 40A. Also the label and the enclosure rating is different. And the old one has no agency mark. New one has UL-C mark.
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Okay that is telling. Tesla was selling without CSA approval; I'm sure they were claiming it was exempt because it is an automotive component. As I recall they were doing some things inside that probably would not meet the very strict Canadian regulations.
So they probably decided to release a version with safety certification, and they ended up backing down the power to do it.
So they probably decided to release a version with safety certification, and they ended up backing down the power to do it.
green1
Active Member
This has been my guess all along, the internals of the UMC probably couldn't pass muster at 40A, so instead of fixing that, they just dropped the input down to 32A
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