15 Miss. Code R. § 16-1-3.20.25
The Pediatric Skilled Nursing Facility shall have a Level I EES (Essential Electrical System) in accordance with NFPA, Standard for Emergency and Standby Power Systems. The facility shall maintain an emergency electrical generator, of sufficient size and caliber, to make life-sustaining equipment operable in case of power failure and to support the daily function of the facility, to include but not be limited to, lighting, heating and air conditioning. Emergency outlets shall be made available in all rooms/areas, as appropriate, to assure uninterrupted operation of each child's specialized equipment. The facility shall conduct and document operational testing of the equipment monthly. Documentation of such testing/maintenance shall be maintained on-site for a period of three years.
15 Miss. Code. R. § 16-1-3.20.25