What kind of fires does a Class K fire extinguisher typically target?

A Class K fire extinguisher is specifically designed for use on commercial kitchen fires that involve cooking oils and greases, such as those found in deep fryers and ranges. These types of fires are particularly hazardous and require extinguishing agents that can effectively deal with high-temperature cooking oils. Class K extinguishers use specialized wet chemical agents that not only cool the flames but also create a barrier between the fuel and the oxygen, helping to prevent re-ignition of the fire.

In contrast, other types of fires, such as electrical fires, combustible metals, and household flammable liquids, require different kinds of fire extinguishing agents. For example, electrical fires typically need extinguishers that are rated for use on energized electrical equipment, while combustible metal fires require agents designed specifically for metal fires, and flammable liquid fires require extinguishers that can handle petroleum-based fuels. Therefore, the unique capabilities of Class K extinguishers make them essential for ensuring safety in environments where cooking operations take place.