NFPA 110, Standard for Emergency and Standby Power Systems 2025 Edition

This standard covers performance requirements for emergency and standby power systems providing an alternate source of electrical power in buildings and facilities in the event that the normal electrical power source fails. Systems include power sources, transfer equipment, controls, supervisory equipment, and accessory equipment needed to supply electrical power to the selected circuits.

Boost occupant safety and help ensure that emergency power sources are working correctly. Find out the latest guidelines for standby and emergency power systems, which provide backup electricity for buildings and businesses when the main power goes out.

Having emergency power available can protect people if the usual electricity supply is interrupted, as outlined in NFPA 110, the Standard for Emergency and Standby Power Systems. The newest edition covers power sources, transfer equipment, controls, supervisory systems, and all related electrical and mechanical support equipment in detail.