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NFPA 110 Emergency and Standby Power Systems 2019

Product Code/ISBN: NFPA 110-19

NFPA 110, Standard for Emergency and Standby Power Systems 2019 edition covers the performance of emergency and standby power systems that provide an alternate source of electrical power to loads in buildings and facilities in case the primary power source fails.

NFPA 110 has the latest coverage for designers, engineers, contractors, installers, and facility managers of any building that requires a backup generator or similar emergency system according to NFPA 101®, Life Safety Code®, or another code. Apply the 2019 edition of NFPA 110 to help ensure every EPSS is up to code and ready for use on demand. 

Readiness of emergency power in the case of disruption of the normal utility supply is a vital consideration in safeguarding building occupants. Unfortunately, poor installation, planning, and maintenance practices are all common causes of emergency power supply systems (EPSS) failure. Install, test, and maintain emergency power supply systems using revised and updated requirements in the 2019 edition of NFPA 110, Standard for Emergency and Standby Power Systems. Help reduce risks by complying with NFPA 110.

NFPA 110 is essential for confident and correct system installation, testing, and maintenance.

Important changes in the 2019 edition help you avoid errors and oversights. For example, this edition clarifies the location and access to the remote emergency stop switch, how to test fuel in accordance with the manufacturer’s recommendations in lieu of an ASTM standard, and specifications for a battery charger.

In addition to improving occupant safety, NFPA 110 compliance helps save money by extending the life of the system through proper care.

Comprehensive coverage addresses:

Transfer equipment


Power sources

Supervisory equipment

Related electrical and mechanical auxiliary and accessory equipment needed to supply electrical power to the load terminals of the transfer equipment

Help protect lives and property — avoid EPSS failure by staying up to code with the latest edition of NFPA 110. Provide backup power systems you can trust.