Oregon DPSST Security Professional Practice Test

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Class “C” Fires Involve

Flammable liquids
Poisonous and infectious material
Ordinary combustibles
Electronic equipment

The correct answer is: Electronic equipment

Class "C" fires are characterized by the involvement of electric or electronic equipment. This category includes fires which are started or spread by electrical appliances, wiring, circuit breakers, and outlets. Such fires start in electrical systems or appliances and often occur because of overloaded outlets or extension cords. The letter classification system is used to categorize fires based on the type of material or fuel that is burning. For instance, Class A fires involve combustible materials like paper or wood, Class B fires involve flammable liquids like gas or oil, and Class D fires involve combustible metals. Class C, therefore, specifically relates to electrical fires.