All single-phase receptacles rated 150V to ground or less, 50A or less and three-phase receptacles rated 150V to ground or less, 100A or less receptacles located outdoors or on rooftops in locations other than dwelling units shall be GFCI protected except for a receptacle that is supplied by a branch circuit dedicated to _____ if the receptacle is not readily accessible and the equipment or receptacle has ground-fault protection of equipment (GFPE) [426.28 and 427.22].
a) Welding equipment
b) Outdoor lighting
c) Motor-driven equipment
d) Fire alarms
