A second level of ground-fault protection of equipment is required for which of the following health care facilities?
A. A hospital supplied by a 480Y/277-volt service having a 600-ampere, and three 800-
ampere main breakers
B. A nursing home that has a 1200-ampere, 208Y/120-volt, 3-phase, 4-wire service
C. An 800-ampere feeder to an outpatient surgery from a 1600-ampere, 480Y/120-volt
service for a multi-occupancy building that has ground-fault protection of equipment.
D. A retirement facility supplied by a 1200-ampere, 480Y/277-volt, 3-phase, 4-wire
service
C. An 800-ampere feeder to an outpatient surgery from a 1600-ampere, 480Y/120-volt
service for a multi-occupancy building that has ground-fault protection of equipment.
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