That sounds like a wise plan. The larger wire will pay for itself over the
years, in reduce call back, and customer complaints.
Christopher A. Young
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Thanks. That makes sense. I'll do a dedicated circuit for each window a/c
and I'll run the other room wiring on different circuits.
About the 20-amp part, I have this thing that I do where I do all of the new
wiring with #12 wire on the entire circuit even if I am only putting in a
15-amp circuit breaker. My thinking is that I would rather have the breaker
trip if the tenants put more than 15 amps on one circuit even if all of the
wiring on the circuit is 12 gauge and could accommodate 20 amps. For
circuits where the code definitely requires 20-amp circuits (such as
kitchens, I think), I still use all 12 gauge wire, but I do put 20-amp
breakers on those circuits.
About the "AFCI protected" part, I don't think the code in our area requires
that yet for what I am doing. But, if I did decide to do that, the only
difference would be that I would just use the more expensive AFCI breakers
in the service panel for each of those circuits, right?