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

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2013 NFPA 111
Prior Years Prior Editions of NFPA 111

Get the latest on stored emergency power supply systems in the 2013 NFPA 111.

Readiness of emergency power is a key consideration in safeguarding building occupants in the event of a disruption of the normal utility supply. NFPA 111: Standard on Stored Electrical Energy Emergency and Standby Power Systems 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.

Requirements in NFPA 111 address:

  • Power sources
  • Transfer equipment
  • Controls
  • Supervisory equipment
  • Accessory equipment needed to supply electrical power to selected circuits
  • Installation, maintenance, operation, and testing requirements as they pertain to the performance of the stored emergency power supply system (SEPSS).

Stay up-to-code and maximize safety with new options for stored power systems.

Changes in the 2013 edition include the addition of a rectifier plant -- commonly used in the telecommunications industry -- as a potential stored emergency power supply system, or as a suitable bridging system. (Softbound, 22 pp., 2013)

NFPA® 111 Standard on Stored Electrical Energy Emergency and Standby Power Systems 2013 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 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