: The first three chapters are always structured as:

: Defines the scope, purpose, and application of the code.

: While the NFPA is a nonprofit and does not have legal power to fine, its codes are often adopted into law by local Authorities Having Jurisdiction (AHJ) or required for OSHA compliance.

: Provides precise technical meanings for terms used within the document.

: Standards are updated on regular cycles to incorporate new technology, such as the AI-powered features in the NFPA LiNK platform or the consolidation of equipment standards into the new NFPA 1970 . Key NFPA Codes and Their Focus Top 10 NFPA Codes You Should Know - Updated for 2026