NFPA 520:2026
Current
Current
The latest, up-to-date edition.
Standard on Subterranean Spaces
Published date
09-12-2025
Publisher
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This standard addresses the safeguarding of life and property against fire, explosion, and related hazards associated with developed subterranean spaces.
| DocumentType |
Standard
|
| PublisherName |
National Fire Protection Association
|
| Status |
Current
|
| Supersedes |
| NFPA 72:2022 | National Fire Alarm and Signaling Code |
| NFPA 10:2022 | Standard for Portable Fire Extinguishers |
| NFPA 111:2022 | Standard on Stored Electrical Energy Emergency and Standby Power Systems |
| NFPA 20:2025 | Standard for the Installation of Stationary Pumps for Fire Protection |
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