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XLR8OR
Member
I went for the 100a circuit and recommend you do so too. Between the charger upgrade, the cost of the HPWC, and the difference in electrician quotes from a 14-50 circuit, the incremental cost is about $2500 (yes, electricians in my area are expensive). Why did I do it?
1 - Future-proofing. Whenever I've made a decision to buy the lesser option, regardless of what I'm buying, I inevitably regret it. I expect my move to EV from ICE to be permanent, so that gives me some piece of mind.
2 - Amortized over several years the monthly cost is trivial, and you'll spend nearly that every month at Starbucks or in some other inconsequential way. This is a long-term investment, and I'm not moving from my house.
3 - I would have easily spent that on the European trip to pick up my ICE car alternative, a BMW 6 under BMW's wonderful European Delivery Program (would have been my 5th, and definitely something I'll miss). Viewed that way, it's free.
4 - I won't get the tax credit since I'm in AMT every year, but I can amortize the business percentage of this cost, which is about 65%.
Go for it.
1 - Future-proofing. Whenever I've made a decision to buy the lesser option, regardless of what I'm buying, I inevitably regret it. I expect my move to EV from ICE to be permanent, so that gives me some piece of mind.
2 - Amortized over several years the monthly cost is trivial, and you'll spend nearly that every month at Starbucks or in some other inconsequential way. This is a long-term investment, and I'm not moving from my house.
3 - I would have easily spent that on the European trip to pick up my ICE car alternative, a BMW 6 under BMW's wonderful European Delivery Program (would have been my 5th, and definitely something I'll miss). Viewed that way, it's free.
4 - I won't get the tax credit since I'm in AMT every year, but I can amortize the business percentage of this cost, which is about 65%.
Go for it.
Jlwine
Member
One would like to think if two different electricians looked at it and they understand what you are going to use it for, then the wire must be fine. Also, true if it is 10AWG and you limited the car to only drawing 30--then you most likely should be fine. Unless you have a surge or three years down the road someone forgets and sets the car higher--so on and so forth. This is not a risk that I would take, if you find out it has the proper size wire--than of course there is no issue.
XLR8OR
Member
The difference in cost between 10AWG and 2AWG, plus the larger conduit, can't be huge. Why not just put in the larger wire?
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