Understanding 240/250-Volt Air Conditioner Outlets
For most homes, 30-amp or 40-amp 240/250-volt circuits are typical for a central air conditioner. For portable 240/250-volt plug-in air conditioners like those that fit into windows, 20-amp circuits are typical. In either case, the circuit must be dedicated to the air conditioner unit. To be in compliance with Code, the circuit cannot serve any ...
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