(a)
- (1) The facility shall provide an emergency source of electrical power necessary to protect the health and safety of patients in the event the normal electrical supply is interrupted.
(2) The emergency electrical power system must supply power adequate at least for:
- (A) Lighting in all means of egress; and
- (B) Equipment to maintain fire detection, alarm, and extinguishing systems.
- (3) Dry battery or wet-cell batteries may be used as emergency power in facilities where life support systems are not used.
- (b) Where life support systems are used, emergency electrical service is provided by an emergency generator located on the premises.