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NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems

United States (state and local adoption; edition varies by jurisdiction)
vNFPA 70, National Electrical Code, 2023 edition, Article 700 (2026 edition published; 2026 numbering noted per leaf)
6 domains
36 controls

The National Electrical Code rules for emergency systems: AHJ-witnessed commissioning, periodic testing, maintenance and written records, transfer equipment, wiring separation, 10-second sources with at least 2 hours of supply, emergency lighting and selective coordination.

Verified

NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems is a compliance framework from United States (state and local adoption; edition varies by jurisdiction) with 6 domains and 36 controls that map to 2 other frameworks. The largest domains are Part I: General – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems (14 controls), Part III: Sources of power – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems (8 controls), Part II: Circuit wiring – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems (6 controls). Every control below carries what it requires and what an assessor expects to see.

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Framework Domains (6)

Part I: General – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems

14 controls
Controls in the Part I: General – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems domain of NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems — 14 controls
CodeTitle
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.2700.2 Reconditioned equipment
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.3(A)700.3(A) Commissioning witness test
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.3(B)700.3(B) Periodic testing
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.3(C)700.3(C) Maintenance
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.3(D)700.3(D) Written record
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.3(E)700.3(E) Testing under load
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.3(F)700.3(F) Temporary source of power for maintenance or repair
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.4700.4 Capacity and load management
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.5(A)700.5(A) Transfer equipment: general
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.5(B)-(D)700.5(B) to (D) Bypass isolation, ATS construction and redundant transfer equipment
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.5(E)-(F)700.5(E) and (F) Use and documentation of transfer equipment
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.6700.6 Signals
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.7700.7 Signs
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.8700.8 Surge protection

Part II: Circuit wiring – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems

6 controls
Controls in the Part II: Circuit wiring – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems domain of NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems — 6 controls
CodeTitle
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.10(A)700.10(A) Identification
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.10(B)700.10(B) Independence of emergency wiring
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.10(C)700.10(C) Wiring design and location
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.10(D)(1)-(3)700.10(D)(1) to (3) Fire protection of feeders in large or tall buildings
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.10(D)(4)700.10(D)(4) Source control wiring
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.11700.11 Class 2 powered emergency lighting systems

Part III: Sources of power – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems

8 controls
Controls in the Part III: Sources of power – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems domain of NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems — 8 controls
CodeTitle
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.12700.12 General requirements for sources of power
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.12(B)700.12(B) Equipment design and location
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.12(C)700.12(C) Supply duration
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.12(D)700.12(D) Generator sets
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.12(E)700.12(E) Stored-energy power supply systems
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.12(F)700.12(F) Separate service
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.12(G)700.12(G) Microgrid systems
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.12(H)700.12(H) Battery-equipped emergency luminaires

Part IV: Emergency system circuits for lighting and power – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems

4 controls
Controls in the Part IV: Emergency system circuits for lighting and power – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems domain of NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems — 4 controls
CodeTitle
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.15700.15 Loads on emergency branch circuits
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.16700.16 Emergency illumination
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.17-700.18700.17 and 700.18 Branch circuits for emergency lighting and power
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.19700.19 Multiwire branch circuits

Part V: Control of emergency lighting circuits – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems

2 controls
Controls in the Part V: Control of emergency lighting circuits – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems domain of NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems — 2 controls
CodeTitle
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.20-700.22700.20 to 700.22 Switching, switch location and exterior lights
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.23-700.28700.23 to 700.28 Dimmers, relays, luminaires with control inputs and Class 2 control

Part VI: Overcurrent protection – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems

2 controls
Controls in the Part VI: Overcurrent protection – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems domain of NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems — 2 controls
CodeTitle
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.30-700.31700.30 and 700.31 Accessibility and ground-fault protection
nfpa-70-national-electrical-code-2023-article-700-emergency-systems::700.32700.32 Selective coordination

Maps to 2 other frameworks

36 total controls
NFPA 110-2025 Standard for Emergency and Standby Power Systems
18 source controls mapped|23 target controls covered
50%
47%

Coverage is not the same as your position

This page shows what NFPA 70 National Electrical Code 2023 Article 700 Emergency 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 70 National Electrical Code 2023 Article 700 Emergency Systems and who does it apply to?

NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems is a compliance framework from United States (state and local adoption; edition varies by jurisdiction) with 6 domains and 36 controls. The National Electrical Code rules for emergency systems: AHJ-witnessed commissioning, periodic testing, maintenance and written records, transfer equipment, wiring separation, 10-second sources with at least 2 hours of supply, emergency lighting and selective coordination. It is used by organisations to establish and maintain compliance with industry standards and regulatory requirements.

What does NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems actually require?

NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems has 36 controls organised across 6 domains. The largest domains are Part I: General – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems (14 controls), Part III: Sources of power – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems (8 controls), Part II: Circuit wiring – NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems (6 controls). Each control defines specific requirements that organisations must implement to achieve compliance.

If I already comply with another framework, how much of NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems do I already cover?

NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems maps to 2 other compliance frameworks. The top mapping partners are NFPA 110-2025 Standard for Emergency and Standby Power Systems (50% coverage), NFPA 70 National Electrical Code 2023 Article 701 Legally Required Standby Systems (47% coverage). Use our comparison tool to explore control-level mappings between frameworks.

How do I implement NFPA 70 National Electrical Code 2023 Article 700 Emergency Systems?

Start your NFPA 70 National Electrical Code 2023 Article 700 Emergency 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 70 National Electrical Code 2023 Article 700 Emergency 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 36 controls and track your progress.

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