For which classes of fire is Halon the preferred extinguishing agent?

Halon is recognized as an effective extinguishing agent for various classes of fire due to its unique properties. Specifically, it is particularly adept at extinguishing Class B fires, which involve flammable liquids, and Class C fires, which are electrical in nature. Halon works by interrupting the chemical reaction occurring in the flames, thereby extinguishing the fire.

While Class A fires, which involve ordinary combustibles like wood, paper, and cloth, are not Halon's primary target compared to Class B and C, Halon can still provide effective suppression. This is because Halon can cool the material involved and displace oxygen, leading to a reduced chance of reignition.

Selecting Halon for Classes A, B, and C encapsulates its versatility as a fire suppression agent, emphasizing its broad applicability. Hence, the assertion that Halon is preferred for all three classes indicates an understanding of its advantages across these different fire types.