All 15 and 20-ampere, single phase, 125-volt receptacles located within 20 feet of the inside walls of pools and outdoor spas and hot tubs shall be protected by a ground-fault circuit interrupter. Outlets supplying pool pump motors from branch circuits with short circuit and ground-fault protection rated at 15 or 20 amperes, 125-volts through 240-volts, single phase, whether by receptacle or direct connection, shall be provided with ground-fault circuit interrupter protection for personnel.