NFPA 111: Standard on Stored Electrical Energy Emergency and Standby Power Systems

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Design, install, and maintain stored emergency power supply systems for safety and reliability with the 2016 NFPA 111.

Where an Uninterruptable Power Supply (UPS) is needed in the event of a disruption of the normal utility supply, NFPA 111: Standard on Stored Electrical Energy Emergency and Standby Power Systems is key. This Standard covers performance requirements for stored electric energy systems providing an alternate source of electrical power in buildings and facilities during an interruption of the normal power source. It's used in industries such as finance, IT, and certain areas of health care -- anywhere continuous emergency power is legally required and/or a loss of power is unacceptable, even for a short duration.

Improve life safety through reliable SEPSS.

Poor maintenance of battery systems is a common cause of failure in Stored Emergency Power Supply Systems (SEPSS). In addition to improving occupant safety, compliance with NFPA 111 saves money by extending the life of the system through proper care. The Standard includes installation, maintenance, operation, and testing requirements as they pertain to the SEPSS performance. Provisions address every area of the system including:

  • Power sources
  • Transfer equipment
  • Controls
  • Supervisory equipment
  • Accessory equipment needed to supply electrical power to selected circuits

The 2016 edition of NFPA 111 has the latest coverage for designers, engineers, contractors, installers, and facility managers of any building that requires a UPS according to NFPA 101®: Life Safety Code® or another code. This edition includes revised baseline tests to obtain more accurate information, and revised load tests to correlate with international standards and facilitate the usability of the Standard throughout the world. (Softbound, 26 pp., 2016)

NFPA® 111 Standard on Stored Electrical Energy Emergency and Standby Power Systems 2016 Edition

Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Equivalency
1.5 Function
Chapter 2 Referenced Publications
2.1 General
2.2 NFPA Publications
2.3 Other Publications
2.4 References for Extracts in Mandatory Sections
Chapter 3 Definitions
3.1 General
3.2 NFPA Official Definitions
3.3 General Definitions
Chapter 4 Classification of Stored-Energy Emergency Power Supply Systems (SEPSS)
4.1 General
4.2 Type
4.3 Class
4.4 Category
4.5 Level
Chapter 5 Emergency Power Supply: Energy Sources, Convertors, Inverters, and Accessories
5.1 Energy Sources
5.2 Energy Conversion Equipment (ECE) - General
5.3 Instrumentation
Chapter 6 Transfer Switches and Protection
6.1 General
6.2 Transfer Switches
6.3 Load Switching (Load Shedding)
6.4 Bypass Switches
6.5 Protection
Chapter 7 Installation and Environmental Considerations
7.1 General
7.2 Location
7.3 Heating, Cooling, Ventilating, and Humidity Control
7.4 Protection
7.5 Distribution
7.6 Installation Acceptance
Chapter 8 Routine Maintenance and Operational Testing
8.1 General
8.2 Manuals, Special Tools, and Spare Parts
8.3 Maintenance and Operational Testing
8.4 Operational Inspection and Testing
Annex A Explanatory Material
Annex B Diagram of SEPSS Versus EPSS Use of Stored-Energy System
Annex C Informational References