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HPWC installation research

gavine

Petrol Head turned EV Enthusiast
Apr 1, 2014
2,554
2,091
Philadelphia, PA
Or get 2 of the latest HWPC and run them in master-slave mode on the same 100A line. That way the master HWPC can dynamically distribute the load based on the current state-of-charge of each vehicle.
Good point. I have an HPWC for the Model X but was planning on just using the UMC on the Model 3 since I will have two of them available to use. For the cost of the HPWC, I think I'll live with 40A charging on both cars.
 

Blup85

Member
Oct 26, 2016
779
649
Chico
I'm planning to install a HPWC for my mothers MS 85. It only has a single charger, so I'm leaning on just setting it up for a single 50 amp circuit. I currently have a p85 with dual chargers and have always just charged at 40 amps (just don't need 80 and its less efficient) My question is, should I pull a 6/2 wire that the HPWC requires (and from what I can see most j1772 chargers?) or pull a 6/3 wire to future proof for a 14-50 receptacle or some other standard. Cost is another $120 for wiring, but if I don't need it and charging standards stay pretty much the same, its sounds like a waste of money.

Thanks!
 

Blup85

Member
Oct 26, 2016
779
649
Chico
I'm planning to install a HPWC for my mothers MS 85. It only has a single charger, so I'm leaning on just setting it up for a single 50 amp circuit. I currently have a p85 with dual chargers and have always just charged at 40 amps (just don't need 80 and its less efficient) My question is, should I pull a 6/2 wire that the HPWC requires (and from what I can see most j1772 chargers?) or pull a 6/3 wire to future proof for a 14-50 receptacle or some other standard. Cost is another $120 for wiring, but if I don't need it and charging standards stay pretty much the same, its sounds like a waste of money.

Thanks!
Oops, sorry wrong forum! Somehow got in the MX ..
 

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