When setting up your outdoor hot tub, be sure to read and follow the power requirements. A smaller hot tub can plug in to a 15- amp 120 volt which includes a ground fault circuit interrupter outlet. This will help shut off the unit to your timed setting automatically. A larger hot tub might require as much as a 50 amp 240 feed in order to have the pump motor and heater run properly.
Some models have an easily removable panel or door that allows access to the pump, wiring and control for easy maintenance.