Given: A hot tub is to located in the common area of a multifamily dwelling unit; a clearly labeled emergency shutoff or control switch for the purpose of stopping the motor(s) of the water recirculation and jet system is required to be installed for the users at a readily accessible location and NOT less than _____ from the hot tub.

Most states require an electrician to pass an exam to receive a journeyman or master electrician license.  State exams cover these topics:  Electrical Theory, Trade Knowledge, Grounding and Bonding, Wiring Methods and Installation, Overcurrent Protection, Load Calculations, etc.