In ARFF, what are Class A, Class B, and Class C fires?

• A. There is no difference among classes.
• B. Class A—electrical equipment; Class B—solvents; Class C—metals.
• C. Class A—electronics; Class B—wood; Class C—water.
• D. Class A—ordinary combustibles; Class B—flammable liquids; Class C—electrical equipment energized.

Answer: (D)