A class B fire extinguisher is specifically used to fight fires from what source?

A Class B fire extinguisher is specifically designed to extinguish fires that involve flammable liquids and gases. This includes materials such as oil, gasoline, grease, and other petrochemical products. These substances are classified as Class B fuels because they can produce intense and hazardous fires that require a specific extinguishing agent to be effectively controlled.

The primary agents used in Class B extinguishers typically include foam, carbon dioxide (CO2), or dry chemical agents, which can smother the fire, interrupt the chemical reaction, or absorb heat. Using a Class B extinguisher on these types of fires is essential, as water or other inappropriate extinguishing methods could exacerbate the situation by spreading the flammable liquid or causing dangerous reactions.

Understanding which class of extinguisher to use is crucial for fire safety, as it ensures that the appropriate methods are applied to combat different types of fires effectively.