What Is NFPA 704? Whether you're with the fire department, emergency medical services, or are a member of a hazmat team, at some point on the job, you're going to deal with the National Fire ...

Photo by Robert Burke The NFPA 704 diamond is displayed along with a DOT flammable gas placard on a propane tank located at a gasoline station. The NFPA 704 marking system alerts emergency ...

These signs are ubiquitous but largely indecipherable and mostly go unnoticed. One such sign is NFPA 704 – perhaps better known as the “fire diamond.” An NFPA 704 sign out in the wild.