What is the shape color of a Class K fire extinguisher?

The Class K fire extinguisher is specifically designed for kitchen fires, particularly those involving cooking oils and fats. Its identifying shape and color are crucial for quick recognition during an emergency. The correct answer indicates that the Class K fire extinguisher is represented by a black hexagon shape, which is standardized to ensure that firefighters and individuals can easily identify the appropriate extinguisher for the type of fire they encounter. This visual identification is vital in high-stress situations, as it allows for rapid response to specific fire hazards.