What are the four classes of fire according to NFPA?

Classifying fire

  • Class A: Ordinary combustible materials, such as wood, cloth, paper, rubber and many plastics.
  • Class B: Flammable liquids (burn at room temperature) and combustible liquids (require heat to ignite).
  • Class C: Fuels that would be A or B except that they involve energized electrical equipment.

What are the five classifications of fires per the NFPA?

According to NFPA 10-2018, there are five primary classes of fire: Class A: result from ordinary combustible materials, including wood, cloth, paper, and many plastics. Class B: burn in flammable liquids, combustible liquids, petroleum greases, oils, alcohols, and flammable gases.

What does NFPA 1 stand for in fire code?

Fire Code NFPA 1, Fire Code, advances fire and life safety for the public and first responders as well as property protection by providing a comprehensive, integrated approach to fire code regulation and hazard management.

How is NFPA 704 used in emergency response?

The NFPA 704 standard is widely used and recognized by fire and emergency responders and safety personnel for identifying the hazards of short term/acute exposure to materials under conditions of fire, spill, or similar emergencies.

What does NFPA 13 say about automatic sprinklers?

The entire third chapter of NFPA 13 is dedicated to defining key terms, the most important of which is its definition of an automatic sprinkler, described as: “a fire suppression or control device that operates automatically when its heat-activated element is heated to its thermal rating or above, allowing water to discharge over a specified area.”

What does NFPA mean by ” outdoor area “?

Any outdoor area, including aprons and hardstands, where aircraft can be positioned, stored, serviced, or maintained, irrespective of the nature of the surface of the area. 415, 20132016] 3.3.7* Aisle Width. The horizontal dimension between the face of the loads in racks under consideration. 13, 20132016] 3.3.8 Alarm. A warning of danger. 72,