Standard: NFPA - 111


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This standard shall cover performance requirements for stored electrical energy systems providing an alternate source of electrical power in buildings and facilities in the event that the normal electrical power source fails.

Systems covered in this standard shall include power sources, transfer equipment, controls, supervisory equipment, and accessory equipment, including integral accessory equipment, needed to supply electrical power to the selected circuits.

This standard shall cover installation, maintenance, operation, and testing requirements as they pertain to the performance of the stored-energy emergency power supply system (SEPSS).


This standard shall provide performance requirements for SEPSS and also shall be used in conjunction with other standards. 

It shall be the role of other NFPA standards to specify which occupancies require an SEPSS and the applicable level, type, and class. 

This standard shall not specify where an SEPSS is required. (See 

This standard shall provide guidance for inspectors, designers, installers, manufacturers, and users of an SEPSS and shall serve as a basis for communication between the parties involved. 

This standard shall not be considered a design manual. 

Compliance with this standard shall not absolve the parties involved of their respective responsibilities for the design, installation, maintenance, performance, or compliance with other applicable standards and codes. 

The installation of a stored-energy system(s) conforming to this standard shall ensure that alternate power is available to minimize life safety hazards resulting from power loss to certain continuous chemical or industrial processes, computer controlled systems, emergency lighting, and the like.

Organization: National Fire Protection Association
Document Number: 111
Publish Date: 2016-01-01
Page Count: 34
Available Languages: EN
DOD Adopted: NO
ANSI Approved: YES
Most Recent Revision: YES
Current Version: NO
Status: Active

Document History

Document # Change Type Update Date Revision Status
NFPA 111 Change Type: TIA1 Update Date: 2015-08-19 Revision: 16 Status: ACTV
NFPA 111 Change Type: STCH Update Date: 2013-01-01 Revision: 13 Status: INAC
NFPA 111 Change Type: Update Date: 2010-01-01 Revision: 10 Status: INAC
NFPA 111 Change Type: Update Date: 2005-01-01 Revision: 05 Status: INAC
NFPA 111 Change Type: Update Date: 2001-02-09 Revision: 01 Status: INAC
NFPA 111 Change Type: Update Date: 1996-01-01 Revision: 96 Status: INAC
NFPA 111 Change Type: Update Date: 1993-02-12 Revision: 93 Status: INAC
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Standards That Reference This Standard

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