I would go with plan A. It is safer, more reliable, can charge the vehicle more quickly depending on the circuit it's connected to, and allows you to keep the mobile connector in your car for emergencies.
If you go with plan B, make sure to adjust your price on the NEMA 14-50R, as it appears that you've budgeted for a Leviton model, which are cheap and known to cause fires. Budget $80 for a Bryant or Hubbell brand receptacle, both of which have
much better build quality and electrical connections. New plan B price: $450.
My main house breaker tripped tonight. Upon investigating, I saw black smoke curling up my garage wall and smelled burning plastic, from where my 14-50 plug is located. Turns out my electrician had installed the plug with a loose black conductor, causing the outlet and plug to meltdown. At...
teslamotorsclub.com
Saturday morning I got up to find that charging was interrupted overnight. I went to the garage and was hit with that burning electrical odor - very strongly. I unplugged the charger from the wall (it took a bit of doing), and saw that one of the side-by-side prongs had plastic from the...
teslamotorsclub.com
A couple of nights ago I heard a loud pop inside our house complete with lights flickering. I went downstairs to the garage and found the garage with smoke and stinking of electrical smell. I noticed the Tesla was not longer charging and the breaker was tripped. Upon further inspection I...
teslamotorsclub.com