D.C. Mun. Regs. tit. 22, r. 22-B3235
Each electrical system shall be designed, constructed, maintained, and inspected in accordance with the 1996 NFPA National Electrical Code, and all other applicable District rules and regulations.
Each electrical cord, appliance, and equipment shall be maintained in a safe operating condition, and each frayed wire and cracked or damaged switch and plug shall be replaced.
Each facility shall have available, and in working order, an emergency electrical system.
Each emergency electrical system shall provide lighting and power for night lights and for lights at each entrance, exit, stairway, corridor, boiler room, each piece of life support equipment, and each fire detection, alarm and extinguishing system in the event that the normal electrical supply is interrupted.
When life support systems are used, the facility shall provide emergency electrical power with an emergency generator (as defined in the 1996 NFPA National Electrical Code, Health Care Facilities) that is located on the premises.
Emergency power shall be provided for at least one (1) elevator which is accessible to each resident area.
D.C. Mun. Regs. tit. 22, r. 22-B3235