Health spa and Hot Tub Power Requirement. Overall hot bathtub are designed to work on a tough wired
220-240V Hot Bathtub
Generally speaking hot bathtub are made to work on a hard wired, GFCI secured 220-240V 50-60 AMP routine. You can find ex ceptions that need as much as 80, 90, or 100 AMP circuits in the event the hot spa have numerous heating units, stations, settings, etc.