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25 August, 10:56

What are the four classes of fire according to NFPA?

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  1. 25 August, 11:07
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    According to the NFPA, the five classifications of fire are:

    "Class A: result from ordinary combustible materials, including wood, cloth, paper, and many plastics.

    Class B: burn in flammable liquids, combustible liquids, petroleum greases, oils, alcohols, and flammable gases.

    Class C: involve energized electrical equipment.

    Class D: fires in combustible metals, such as magnesium, titanium, zirconium, sodium, lithium, and potassium.

    Class K: fires in cooking appliances that involve combustible cooking media, such as vegetable or animal oils and fats"
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