2025 NFPA 110 Standard Emergency Power Systems

NFPA 110, Standard for Emergency and Standby Power Systems, is designed to ensure occupant safety and proper operation of emergency power sources. This standard provides specifications for standby and emergency power systems, ensuring a backup electrical supply for buildings and businesses. With this standard, building occupants can be protected in the event of a primary electrical power source failure, by having emergency power available. The most recent edition covers power sources, transfer equipment, controls, supervisory equipment, and associated electrical and mechanical auxiliary and accessory equipment.