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@Alpine
Mobile Connector: 32A on a 14-50, ~20 mi/hr. Portable, good backup.
Wall Connector: 48A hardwired, ~30 mi/hr (needs a 60A circuit — on a 50A you’re at 25).
Universal Wall Connector: same 48A, built-in J1772. Worth the premium if a non-Tesla ever parks in your garage.if you are thinking of using your CT as a backup power source, you will need the UWC along with the Power Share.

I just took out my 14-50 and installed the WC for my Model Y and the UWC for the CT.

I would gladly send you the 14-50 plug if you need it. I have no use for it.

I believe a lot of people have received a mobile connector which comes with 14-50. If I were you, I would keep it just in case you visit a rural area, like for camping at a national park or someone's house in the boonies with access to a 14-50 plug.

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[Zwick]

You’re onto something with the 110v thing, but I don’t think it’s the mobile connector’s fault.

The car uses a chunk of power just sitting there running its cooling and computers while it charges. On 110v you’re trickling in so little that most of it gets eaten up by that. On 240v you’re pushing way more in, so that same overhead barely matters.
So mobile on a 14-50 should be about the same as a wall connector. It’s the same cable path into the same charger in the car either way.
The wall connector’s real perk is just speed — 48 amps instead of 32. On the Cybertruck that’s about 30 mi/hr vs 20.
On the brand question, I think that’s about the outlet itself, not the cable. The cheap 14-50s aren’t made to sit at 32 amps for hours and they can overheat. Hubbell’s the one people usually point to.

I need to look what brand of 14-50 I have. I do remember I didn’t buy a cheap brand. Been using it since 2021.

Hubbell also makes Bryant and they are the same 14-50 sockets. But the Leviton and most of the other brands you will find at the local hardware store are not up to the task.

 

[Alpine]

NEMA 14-50 Tesla Response
Q: How does Tesla respond to NEMA 14-50 questions?
A: While an existing NEMA 14-50 outlet will work to charge the car, you would need to purchase the $35 adapter from Tesla to make it work, they are not provided with the vehicle.

Tesla does not recommend installing a new NEMA 14-50 outlet to charge your car. Installing a Tesla Wall Connector is the recommendation, and it is for a number of reasons.
First off, the electrical code has changed to require all new NEMA 14-50 outlets be installed on GFCI breakers. The Tesla already has one on-board to protect itself, and if you have two GFCIs on the same circuit, they tend to trip each other, making for a very unreliable charging setup. Not all building departments are enforcing this code requirement, though, so you’ll have to check with your electrician if you might be able to get away with a standard breaker on a new NEMA 14-50 outlet.

Second, the maximum charge rate for a Model S on a NEMA 14-50 outlet is 23 miles of charge per hour. The Wall Connector on a 60amp circuit will give you 34 miles of charge per hour, so 50% faster charging.

Third, the reliability of charging on a NEMA 14-50 outlet is limited by design and quality of the outlet your electrician buys. There is a $15 (Leviton brand) residential grade NEMA 14-50 outlet sold at Home Depot that is not sufficient to support daily vehicle charging. The Leviton outlet has fiberglass insulators that tend to melt out after a few months of vehicle charging. The outlets are not designed specifically for EV charging; they are designed for plugging in RVs and range ovens. Ranges will pull max power once in a while when we roast a turkey, but EV charging will be pulling maximum amperage for hours on end every night. For this heavy use, we recommend an industrial grade NEMA 14-50 outlet, by one of these three brands: Hubbell, Bryant, or Cooper. These use glass or ceramic insulators and should last 3-5 years before they, too, eventually need to be replaced. At $50 – $100, they are not cheap.

Fourth, installing a Tesla Wall Connector lets you keep the mobile connector that comes with the car in the car. If you are using the cord that comes with the car to charge at your home every night, you will need to unplug it and take it with you every time you travel, which is time consuming and will wear out your plug faster. Most owners in this situation end up purchasing a second Mobile Connector Bundle to keep in the car as a backup, which is ~$300. Many folks expect to save some money by installing the NEMA 14-50 outlet instead of the Wall Connector, but that usually doesn’t end up being the case in the long run.

So for faster charging, a more reliable charging setup, a future-proofed design (the Gen3 Wall Connector gets OTA firmware updates), and a better looking unit, the Tesla Wall Connector is our only recommendation. I have attached the Gen3 Wall Connector installation guide as a reference.
I hope this helps!

Jonas Clausen | Tesla Installation Project Manager
47700 Kato Rd. | Fremont, CA 94538

 

[Alpine]

Hubbell also makes Bryant and they are the same 14-50 sockets. But the Leviton and most of the other brands you will find at the local hardware store are not up to the task.

Leviton makes a $50 EV version now

 

[Zwick]

If all you want to do is charge your Tesla, a quality 14-50 outlet properly installed and the mobile charger are quite adequate for overnight home charging. If you want to do powershare, that's another matter. The wall charger or universal will allow you to charge a little faster. I have been using an Evdance unit for about 8 months and it works great too. Tesla mobile charger is all I used on my MY before that. Tesla mobile maxxed at 32A while the Evdance bumped it up to 40A (both on a 14-50 socket).
https://www.evdances.com/products/e...v-charging-station-wifi-enabled-etl-certified

Correction: See the 14-50 response supplied above by Alpine. When I bought my MY the mobile chargers came with the 14-50 adapter. I did not realize this had changed. Also, I am in an unincorporated area and no one is enforcing code requirements. So I can have a non-GFCI breaker on my 14-50 outlet and avoid the GFCI head butting between the breaker and mobile charger.

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