New 220V EV Car Charger Installation
Basis:
No suitable circuit in or near garage. All are common 15A circuits with 14-ga. wiring. Not considered reliable, except for low-level charging = 12-hrs. for Chevy Volt.
Running new circuit to garage would be very expensive because main panel is on other side of house. Would need to run new wires through house, or outside (above-ground or underground).
However:
Garage is very close to outside Air Conditioning condensers (one unit for upstairs and one for downstairs), that are each fed by a dedicated 60A circuit.
Downstairs AC unit is rarely used and is only rated at 31.2 amps, requiring a 50A circuit.
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