Thinking of adding a 110k btu heat pump, rated 36/40 amps. Currently have a 50 amp breaker at main panel, a 20 amp breaker at equipment for 1hp pump, and 20 amp for 2 pool lights and 6 small path lights. I think the 20 amp for lights could be changed to 10 or 15. Just not sure what size wire was run to the sub, can't find a label. Measures about .20 with insulation. If it's it's 6 gage can I just change the main to a 70amp? Would a real pain to run a 4.
Plan on measuring with some calipers tomorrow, just wanted to check on breaker and write size needed. I don't plan on doing it myself.
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