Portable fire extinguishers are only classified by the type of extinguishing agent used. Types of portable fire extinguishers are organized by the type of agent and method used to expel contents. Portable fire extinguisher ratings are classified according to the types of fire for which they are intended.
What are fire extinguishers classified by?
Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish.
How are the classifications for portable fire extinguishers divided?
How are the ratings used for portable fire extinguishers determined? They are determined by performance capability. Class B rated from 1-B to 640-B – rating based oin approximate square footage area of a flammable liquid of fire.
What are the different classifications of fires and fire extinguishers quizlet?
Terms in this set (5)
- Class A Fire. Ordinary combustible materials, such as wood, cloth, paper, etc. …
- Class B Fire. Flammable liquids, such as oil, gasoline, kerosene, etc. …
- Class C Fire. Presence of energized electrical circuits (e.g., electronic motors, electrical wiring, etc.) …
- Class D Fire. Reactive metals. …
- Class K Fire.
Are fire extinguishers categorized?
Fire extinguishers are classified as types A, ABC, BC or K. It is important to use the right type of extinguisher on the specific class of fire to avoid personal injury or damage to property. The wrong type of extinguisher could cause electrical shock, explosion, or spread the fire.
What type of fire is a Class C fire extinguisher rated for quizlet?
Terms in this set (5) Non-conductive extinguishing agent used on fires involving energized electrical equipment. Class C fire extinguishers are used on fires involving energized electrical equipment. Such fires must be extinguished using a non-conductive extinguishing agent such as carbon dioxide or a dry chemical.
What is the definition of a Class C fire quizlet?
Class C. fires involving energized electrical equipment such as motors, transformers, and appliances. Remove the power and the Class C fire becomes one of the other classes of fire. Class D. fires in combustible metals such as potassium, sodium, aluminum and magnesium.
What is a requirement for fire extinguishers on a boat quizlet?
Boats less than 26′ have to have at least one B-1 fire extinguisher on board. Boats 26′-40′ need to have at least two B-1 fire extinguishers on board. If the boat has a USCG approved fire extinguisher system installed for protection of the engine compartment, then the required number may be reduced.