Certified Fire Investigator Practice Exam

Which classification of fire cause includes the use of accelerants?

1. Accidental

2. Natural

3. Incendiary

4. Undetermined

The correct answer is: Incendiary

The classification of fire cause that includes the use of accelerants is incendiary. This classification is specifically related to fires that are intentionally set with the use of material designed to enhance the spread of fire, such as accelerants. Incendiary fires are typically acts of arson, where the intent is to cause a fire for a specific purpose, whether for property damage, insurance fraud, or other motives. Understanding why incendiary is the applicable choice involves recognizing the key characteristics that distinguish it from other classifications. Accidental fires are caused by unintentional events, such as electrical malfunctions or human error, without malicious intent. Natural fires stem from naturally occurring phenomena, like lightning strikes or wildfires fueled by dry conditions. Lastly, undetermined fires are those where the cause cannot be definitively established, often due to insufficient evidence or extreme damage that obscures the origin. In summary, incendiary classification specifically addresses the deliberate act of using materials, including accelerants, to initiate and propagate a fire, making it the correct answer in this context.