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Which Install Makes The Most Sense?

Bogobec

Member
Jan 11, 2016
308
185
Canada
Ok thanks everyone. We will install a NEMA 14-50 not a 6-50 or any particular charging station hardwired.

Took delivery today. Officially a Tesla owner!
Congrats! How was your delivery experience and the build quality? Please post some pics!
 

gnuarm

Model X 100 with 72 kW chargers
Aug 17, 2018
1,264
137
Tennesse and Mid Atlantic
This isn’t about not accepting reality. This is about having reasonable expectations that were never met.

For instance, I always added 3-6 months to each and every declaration about when Model 3 would be released. Tesla never lived up to any of their claims, nor my realistic expectations.

It was reasonable to expect them to follow the original plan and stick to 3 releases of 3 different versions, the base model coming out 3rd. I think it was reasonable to be surprised and miffed that they’re pushing a 4th version being released now, 3rd, when the tax credit is disappearing. And to be annoyed that prices went up.

I understand the resentment. I don't understand the issue of the tax credit ending. That has been known for some time and was part of the deal when it was created by the GOVERNMENT, not Tesla.

The issues of Tesla changing their minds about product versions has to do with survival. This past spring and summer Tesla was essentially fighting for its life. If they had not achieved the production rates they needed and then obtained profitability they would have lost all credibility with lenders as well as the public. They have some financial obligations ahead that will make or break the company. So they need to absolutely optimize their profits.

Part of that was to ship as many Model 3s at as high profit margins as possible. This required balancing the demand against profit. So even though there is a lot of demand for the $35,000 version, if they make little money it would not help them. In fact, there is speculation about whether they would make any money on it at all with their current production rate and costs.

So, sorry the model 3 isn't working for some buyers. Personally I wouldn't buy a BEV with only a 200 mile range, but then I'm not everyone. I just read a review of a Nissan Leaf where the guy started a trip with 50 miles on the battery requiring a charge to get home and the hassles he had finding a charger in a different town... in fact the car was just on loan to him, this was his first "trip" in it. No, BEVs are not to the point that you can just fill up like finding a gas station. But give them another five years and I expect it will be getting close. At least installing a low current charging station is just an electrician job and doesn't require digging up the ground for huge gas tanks.

If the roles were reversed and we were considering switching our economy and infrastructure from electric cars to gasoline the hassles would be SO much bigger! lol
 

tomas

Out of warranty...
Oct 22, 2012
4,229
3,798
Chicago/Montecito
Sorry to be late to party eevee.

But still have some advice.

Wow lots of people opining who have not actually lived with 2 different brand EVs.

I have.

I installed 14-50 with clipper creek charger to handle Tesla and eGolf. I did not install second outlet or charger, just used 120 with mobile charger for 2nd car. Which was usually Golf. Still using same setup with 2 model 3s.

The real variable is how much you drive. Our #2 car seldom sees more than 50 miles per day therefore can always charge full in 12 hours on 120.

Sounds to me as if you have made right choice.

One other thing I’d suggest you have electrician check when you put in 14-50. See that you have another 120 outlet in garage that is accessible with good current. EV charging can take shoddy 120 outlet to its max and trip gfi and/or breakers or trigger mobile charger error.
 
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Eevee

Member
Nov 11, 2018
174
113
Las Vegas, NV
UPDATE

First, I accidentally posted this in the X forum but I own a Model S. I think it was because I did it on my phone when I was tired. Sorry about that.

Second, got the plug installed and the car is charging now. Very convenient :) It only cost about $500!

So now, can I get a 2nd charging cable (corded mobile connector) cheaper than $520? I saw videos where people said they bought them for $300 but the Tesla store has them for $520. I would like to leave one plugged into the garage wall and keep one in my car.
 

Eevee

Member
Nov 11, 2018
174
113
Las Vegas, NV
At $520 you could easily buy the Wall Connector!

That was exactly my thought. But installation was more expensive and future versatility reduced.

Anyway, I found out there are two versions. I only kept seeing the $520 corded mobile cable but when I really hunted around today I found the $300 version of the mobile cable. The difference is that the corded one is just one piece and is suitable for outdoor use whereas I guess the mobile one that comes with the car and has detachable parts is not? That surprised me. Anyway, I went ahead and got the $520 one because I figure if it's suitable for outdoors that suggests it's overall safer. I'm probably paying $220 for nothing but oh well, now I will have both options.
 

gnuarm

Model X 100 with 72 kW chargers
Aug 17, 2018
1,264
137
Tennesse and Mid Atlantic
I'd like to get the HPWC (wall connector) for my garage so I don't have to pull out the mobile cable all the time. I can't seem to find anyone for referrals though. I guess I don't travel in that crowd. lol
 

Eevee

Member
Nov 11, 2018
174
113
Las Vegas, NV
I'd like to get the HPWC (wall connector) for my garage so I don't have to pull out the mobile cable all the time. I can't seem to find anyone for referrals though. I guess I don't travel in that crowd. lol

The Tesla website says " Tesla offers installation services in select markets, and maintains a list of recommended electricians covering most of North America."
Gloss Black Wall Connector

We just used Yelp to pick an electrician since the guy who did our last job (and we liked) wasn't available.
 

gnuarm

Model X 100 with 72 kW chargers
Aug 17, 2018
1,264
137
Tennesse and Mid Atlantic
The Tesla website says " Tesla offers installation services in select markets, and maintains a list of recommended electricians covering most of North America."
Gloss Black Wall Connector

We just used Yelp to pick an electrician since the guy who did our last job (and we liked) wasn't available.

Oh, I'm talking about getting an HPWC for free via car buyers using my referral number. Getting it put in isn't a problem. I'd do it myself, but I don't like messing around inside the main breaker box. I will be putting something in line with the HPWC so it can be turned on and off via a smart switch. I haven't found a good product for that yet.

One thing I've noticed about the NEMA 14-50 jack is the mobile cable seems to limit the charging rate to 32 amps. I've seen this written, but haven't tried it for myself yet. Can anyone verify that? Anyone know the reason why?
 

gnuarm

Model X 100 with 72 kW chargers
Aug 17, 2018
1,264
137
Tennesse and Mid Atlantic
Now I'm confused. Not sure where I read the 32 amp limit on the 50 amp circuit, but I found a charging speed chart for the HPWC and it tops out at 48 amps on a 60 amp circuit. As the current increases, the rated power increases, but the charging speeds don't. So is this an inherent limitation in the car when charging from AC? I can stop at a destination charger today on my trip. I'll take note of the charging speed if no other cars are connected. I do know sharing a single circuit of multiple HPWCs greatly reduces the current used.

If the HPWC only gets me 48 amps vs. 40 with a 14-50 connector, I might just go with a corded mobile cable that I just leave in the garage.
 

tomas

Out of warranty...
Oct 22, 2012
4,229
3,798
Chicago/Montecito
Oh, I'm talking about getting an HPWC for free via car buyers using my referral number. Getting it put in isn't a problem. I'd do it myself, but I don't like messing around inside the main breaker box. I will be putting something in line with the HPWC so it can be turned on and off via a smart switch. I haven't found a good product for that yet.

One thing I've noticed about the NEMA 14-50 jack is the mobile cable seems to limit the charging rate to 32 amps. I've seen this written, but haven't tried it for myself yet. Can anyone verify that? Anyone know the reason why?
Mobile charger can do up to 40 amps if your circuit can provide.
 
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gnuarm

Model X 100 with 72 kW chargers
Aug 17, 2018
1,264
137
Tennesse and Mid Atlantic
Yeah, I wonder why they limit the current to 32 amp. I don't get it. The UMC doesn't do anything with the power, right? It just handshakes with the car to indicate what power is applied?

The HPWC seems to get up to 48 amps before limiting somehow. The chart here shows current up to 80 amps with a 100 amp breaker, but the cars don't charge any faster with any capacity circuit past 48 amps on a 60 amp breaker. What's up with that???

There are so many inconsistencies with these cars.
 

gnuarm

Model X 100 with 72 kW chargers
Aug 17, 2018
1,264
137
Tennesse and Mid Atlantic
Yeah, I wonder why they limit the current to 32 amp. I don't get it. The UMC doesn't do anything with the power, right? It just handshakes with the car to indicate what power is applied?

The HPWC seems to get up to 48 amps before limiting somehow. The chart here shows current up to 80 amps with a 100 amp breaker, but the cars don't charge any faster with any capacity circuit past 48 amps on a 60 amp breaker. What's up with that???

There are so many inconsistencies with these cars.

Wall Connector
 

tomas

Out of warranty...
Oct 22, 2012
4,229
3,798
Chicago/Montecito
Yeah, I wonder why they limit the current to 32 amp. I don't get it. The UMC doesn't do anything with the power, right? It just handshakes with the car to indicate what power is applied?

The HPWC seems to get up to 48 amps before limiting somehow. The chart here shows current up to 80 amps with a 100 amp breaker, but the cars don't charge any faster with any capacity circuit past 48 amps on a 60 amp breaker. What's up with that???

There are so many inconsistencies with these cars.
Nothing is inconsistent.

I suspect mobile charger is limited because it has plugs and adapters that are weak links in terms of wear and failure. As I posted earlier, prior model went to 40 amps... but must have had high failure rate.

Regarding the overall limit: I believe all Teslas now come with 48 amp charger built in. There used to be an option on S/X for more, but that has been removed. So, the wall charger has capability to provide more current than the current car’s charger can process. Not a bad thing.
 

gnuarm

Model X 100 with 72 kW chargers
Aug 17, 2018
1,264
137
Tennesse and Mid Atlantic
Nothing is inconsistent.

I suspect mobile charger is limited because it has plugs and adapters that are weak links in terms of wear and failure. As I posted earlier, prior model went to 40 amps... but must have had high failure rate.

Regarding the overall limit: I believe all Teslas now come with 48 amp charger built in. There used to be an option on S/X for more, but that has been removed. So, the wall charger has capability to provide more current than the current car’s charger can process. Not a bad thing.

I wonder why they list higher currents than 48 amps in the HPWC chart. What do those amps go to if not a Tesla car being charged??? This is very odd. Next chance I get I will test the HPWC to see if I can get 72 amps from it. That is my recollection from using the one in Leesburg.

Seems odd that they would provide with the car an adapter for a 50 amp outlet when the cable won't work above 32 amps. I have seen a number of 240 volt outlets in homes and none were NEMA 14-50. So obviously this isn't because it is a common connector.. well, I guess they do use them in trailer parks I think, not that I will be charging in a trailer park.
 

TexasEV

Well-Known Member
Jun 5, 2013
7,640
8,464
Austin, TX
I wonder why they list higher currents than 48 amps in the HPWC chart. What do those amps go to if not a Tesla car being charged.
They go to the 80A dual chargers in the early Model S with that option and to the 72A chargers they were available as an option in the S and X of various battery sizes for a while and to the 72A chargers thst were standard in the 100 kWh battery S and X until just recently.
 
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Reactions: Rocky_H

TexasEV

Well-Known Member
Jun 5, 2013
7,640
8,464
Austin, TX
Seems odd that they would provide with the car an adapter for a 50 amp outlet when the cable won't work above 32 amps. I have seen a number of 240 volt outlets in homes and none were NEMA 14-50. So obviously this isn't because it is a common connector.. well, I guess they do use them in trailer parks I think, not that I will be charging in a trailer park.
What outlet would you suggest Tesla use to draw 32A continuously? The 240V outlets you’ve seen in homes were 30A circuits for dryers, so a car could only draw 24A continuously. I thought you were all about charging faster.
 

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