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NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems

United States (adopted by reference through NFPA 101, NFPA 99, NFPA 70 and building and fire codes)
vNFPA 111, 2025 edition (issued 22 April 2024, effective 12 May 2024); supersedes the 2022 edition
6 domains
34 controls

The US standard for battery, UPS, rectifier and flywheel systems that back up emergency and legally required loads: how they are classified, installed, accepted and then inspected monthly, trended and load tested every year, with the records an inspector expects.

Verified

NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems is a compliance framework from United States (adopted by reference through NFPA 101, NFPA 99, NFPA 70 and building and fire codes) with 6 domains and 34 controls that map to 2 other frameworks. The largest domains are Chapter 7: Installation and environmental considerations – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems (10 controls), Chapter 6: Transfer switches and protection – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems (8 controls), Chapter 8: Routine maintenance and operational testing – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems (7 controls). Every control below carries what it requires and what an assessor expects to see.

Maintained by Gerard Blokdyk

Framework summaries on this platform are AI-assisted interpretations for educational and compliance planning purposes. They do not reproduce or replace the official standards. Refer to the authoritative source for the definitive text. Framework names and trademarks belong to their respective organisations.

Framework Domains (6)

Chapter 4: Classification of SEPSS – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems

2 controls
Controls in the Chapter 4: Classification of SEPSS – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems domain of NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems — 2 controls
CodeTitle
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::4.1-4.34.1 to 4.3 Classification by type and class
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::4.4-4.54.4 and 4.5 Category and Level

Chapter 5: Energy sources, converters, inverters and accessories – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems

6 controls
Controls in the Chapter 5: Energy sources, converters, inverters and accessories – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems domain of NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems — 6 controls
CodeTitle
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::5.15.1 Energy sources and battery installation
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::5.2.1-5.2.25.2.1 and 5.2.2 Bridging and inertia systems
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::5.2.3-5.2.75.2.3 to 5.2.7 ECE design, rating, output and environment
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::5.2.85.2.8 Capacity and stored-energy recovery
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::5.3.1-5.3.25.3.1 and 5.3.2 Instruments and visual indicators
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::5.3.35.3.3 Annunciation

Chapter 6: Transfer switches and protection – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems

8 controls
Controls in the Chapter 6: Transfer switches and protection – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems domain of NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems — 8 controls
CodeTitle
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::6.16.1 Switching, protection and dc rating
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::6.2.1-6.2.36.2.1 to 6.2.3 Transfer switch ratings and classification
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::6.2.4.1-6.2.4.36.2.4.1 to 6.2.4.3 ATS operation, source monitoring and interlocking
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::6.2.4.4-6.2.4.66.2.4.4 to 6.2.4.6 Manual operation, retransfer delay and test switch
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::6.2.56.2.5 Nonautomatic transfer switches
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::6.36.3 Load switching and load shedding
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::6.46.4 Bypass switches
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::6.56.5 Protection

Chapter 7: Installation and environmental considerations – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems

10 controls
Controls in the Chapter 7: Installation and environmental considerations – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems domain of NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems — 10 controls
CodeTitle
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.17.1 Installation: general
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.27.2 Location
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.37.3 Heating, cooling, ventilating and humidity control
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.4.1-7.4.47.4.1 to 7.4.4 Protection of the SEPSS room
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.4.57.4.5 Seismic protection
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.57.5 Distribution
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.6.1-7.6.2.27.6.1 to 7.6.2.2 Acceptance test
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.6.2.37.6.2.3 System load test
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.6.3-7.6.47.6.3 and 7.6.4 Failed components and documents for the AHJ
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::7.6.57.6.5 Baseline ohmic measurement

Chapter 8: Routine maintenance and operational testing – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems

7 controls
Controls in the Chapter 8: Routine maintenance and operational testing – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems domain of NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems — 7 controls
CodeTitle
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::8.1-8.28.1 and 8.2 Programme basis, manuals and tools
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::8.3.1-8.3.28.3.1 and 8.3.2 Maintenance objective and start of the programme
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::8.3.38.3.3 Reproducible records
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::8.4.1-8.4.28.4.1 and 8.4.2 Monthly inspection and inspection content
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::8.4.38.4.3 Load testing and ohmic trending
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::8.4.48.4.4 Annual load test
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::8.4.5-8.4.68.4.5 and 8.4.6 Written records and qualified personnel

Status, scope, definitions and what is held – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems

1 controls
Controls in the Status, scope, definitions and what is held – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems domain of NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems — 1 controls
CodeTitle
nfpa-111-2025-standard-on-stored-electrical-energy-emergency-and-standby-power-systems::1.51.5 Function of the SEPSS

Maps to 2 other frameworks

34 total controls
NFPA 110-2025 Standard for Emergency and Standby Power Systems
26 source controls mapped|29 target controls covered
76%
35%

Coverage is not the same as your position

This page shows what NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems overlaps with in general. Where your organisation actually stands, against the standard you are going for and the certifications you already hold, is a different question. Same graph and the same recorded refutations, scoped to you rather than to a pair.

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What is NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems and who does it apply to?

NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems is a compliance framework from United States (adopted by reference through NFPA 101, NFPA 99, NFPA 70 and building and fire codes) with 6 domains and 34 controls. The US standard for battery, UPS, rectifier and flywheel systems that back up emergency and legally required loads: how they are classified, installed, accepted and then inspected monthly, trended and load tested every year, with the records an inspector expects. It is used by organisations to establish and maintain compliance with industry standards and regulatory requirements.

What does NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems actually require?

NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems has 34 controls organised across 6 domains. The largest domains are Chapter 7: Installation and environmental considerations – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems (10 controls), Chapter 6: Transfer switches and protection – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems (8 controls), Chapter 8: Routine maintenance and operational testing – NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems (7 controls). Each control defines specific requirements that organisations must implement to achieve compliance.

If I already comply with another framework, how much of NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems do I already cover?

NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems maps to 2 other compliance frameworks. The top mapping partners are NFPA 110-2025 Standard for Emergency and Standby Power Systems (76% coverage), NHS England HTM 06-01 Electrical Services Supply and Distribution (2017 Edition) (35% coverage). Use our comparison tool to explore control-level mappings between frameworks.

How do I implement NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems?

Start your NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems compliance journey by running a self-assessment on our platform to identify your current compliance posture. Our AI advisory can answer specific questions about NFPA 111-2025 Standard on Stored Electrical Energy Emergency and Standby Power Systems requirements, and cross-framework mapping helps you leverage existing controls from other frameworks you may already comply with. Create a free account to access all 34 controls and track your progress.

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