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I'd like to install an at-home charger for MY. Either GEN 3 wall connector (48 amps) or GEN 2 NEMA 14-50 adapter (32 amps) is acceptable to me. I have confirmed that the existing circuit breakers in my house are only 20 amps. So I'll have to run a new cable and install a new breaker.

The challenge are: my garage is detached from my house, and the electrical panel is inside the house. They're pretty far away from each other. I have no idea how to run the new cable from the panel to garage. Right now, all the electrical wires of my house are just inside the wall.

Would it be possible to tap the new cable, from outside, to the entry of the power into the house, and then run the cable from outside? Any alternative/easier option? Any suggestion? Thank you.

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