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Old 06-22-2021, 12:35 PM   #12
GreG L.
Montana Fan
 
Join Date: Jun 2018
Location: Jacksonville
Posts: 382
M.O.C. #21993
In a normal 2 AC setup one runs on one 50 amp circuit and the second runs on the second 50 amp circuit. Adding a third would mean that it would run on the same circuit as one of the others (drawing around 13+ amps each when running), thus needing a soft start for them both, hopefully the microwave is on the circuit with the single AC.
Plugging into 30 amp would put all three on the same single 30 amp circuit, not going to run all three.
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