The plug/electrical for my pool is connected to one circuit breaker. I bought a new pump that only needs a regular outlet with a ground. Does it have to be a GFI outlet if it's got it's own circuit breaker?
— SWIMMING POOLS, FOUNTAINS, AND SIMILAR INSTALLATIONS
C) GFCI Protection. Outlets supplying pool pump motors connected to single-phase, 120-volt through 240-volt branch drains, whether by receptacle or by direct connection, shall be provided with ground-fault circuit-interrupter protection for personnel.
Check with your local inspections department for any requirements that they may have.