Class K fires involve cooking oils, grease, and fats typically found in commercial kitchens. These fires require specific extinguishers that saponify the oil, cooling and smothering the flames. Class K extinguishers often contain wet chemical agents.
Class C (A) involves energized electrical equipment.
Class D (B) involves combustible metals.
Class L (D) is not a recognized fire class.
[References:, , ASIS POA Manual – Fire Extinguisher Classifications, , PSP Study Guide – Fire Suppression SystemsQUESTION NO: 77, , Which of the following is NOT the category of signaling systems?, , A. Global, B. Auxiliary, C. Remote station, D. Central station, , Answer: A , Fire alarm and signaling systems are typically categorized as:, , Auxiliary systems, , Remote station systems, , Central station systems, , "Global" is not a recognized category of fire signaling systems. It may refer to a scale of operations or communication networks, but it is not part of the standard classification in fire alarm systems., , References:, , PSP Study Guide – Fire Alarm and Signaling Systems, , ASIS POA Manual – Alarm System Components and Types]
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