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2014 Model S build sheet question

billyho613

Member
Apr 15, 2018
25
11
61trizzle
Hi,

Is the $1300 wall connector a better wall charger?

Didn't all 2014 Tesla's come with a wall connector?

thx
 

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Muzzman1

Member
Feb 8, 2014
796
1,563
Los Angeles
When I bought my 1st MS there was an option for $2700 that included the HPWC (high power wall connector) and it also came with a 2nd onboard charger that enabled 80A charging, from the factory.
It later became a SC option only.

The UMC (max 40A) comes with all cars including the ones that were ordered with the HPWC
 

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Doanster1

Active Member
Feb 14, 2018
1,052
566
Oregon
The HPWC is an external charger that gets installed by an electrician close to your panel in the garage. Since you have dual chargers onboard, the HPWC can be set to deliver up 72A (80% of a 90A breaker) of current, which will give you 52miles of charge/hour.
Problem is... the previous owner of your car did not remove the HPWC and include it as part of the sale. If they did, you’d be wondering what that silver alien-head-like thing in the trunk/frunk was.
So, you need to either buy a new HPWC or at least have an electrician install a NEMA 14-50 outlet in order to charge at more than 4mi/hr.
 

billyho613

Member
Apr 15, 2018
25
11
61trizzle
The HPWC is an external charger that gets installed by an electrician close to your panel in the garage. Since you have dual chargers onboard, the HPWC can be set to deliver up 72A (80% of a 90A breaker) of current, which will give you 52miles of charge/hour.
Problem is... the previous owner of your car did not remove the HPWC and include it as part of the sale. If they did, you’d be wondering what that silver alien-head-like thing in the trunk/frunk was.
So, you need to either buy a new HPWC or at least have an electrician install a NEMA 14-50 outlet in order to charge at more than 4mi/hr.



thanks....i will check the frunk, but ya i doubt it's going to be there!
 

henderrj

Active Member
Jun 16, 2014
1,019
872
Graham, WA, United States
A minor correction. I get 80 amps with the older dual charger system and the new HPWC. It requires a hundred amp breaker in the panel, but it does work great! Something North of 60 miles per hour charging.
 

mongo

Well-Known Member
May 3, 2017
13,513
42,346
Michigan
The HPWC is an external charger that gets installed by an electrician close to your panel in the garage. Since you have dual chargers onboard, the HPWC can be set to deliver up 72A (80% of a 90A breaker) of current, which will give you 52miles of charge/hour.

Small correction:
It is a connector, not a charger. The unit itself is a GFCI breaker with a ~20mA imbalance limit (vs 5mA for normal GFCI). The internal dip switch setting tells the car the maximum current the car's charger(s) are allowed to draw.
Also, it does not need to be close to the panel, but a 60A or greater circuit does require a local disconnect which could be a sub panel.
 

David29

Supporting Member
Supporting Member
Aug 1, 2015
2,272
1,964
DEDHAM, MA
And one other detail -- a new Wall Connector (the official name is no longer "HPWC") is only $500. Installation cost can vary considerably, depending upon your home's electrical system capacity and arrangement.
 

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