What should not be used to extinguish a class C (United States) fire?
A.
Soda Acid
B.
CO2
C.
Inergen
D.
FE-13
Explanation:
Answer A is correct; class C fires are electrical fires (C for conductive). Soda acid contains water, which is an electrical conductor, and should not be used to extinguish a class C fire.Incorrect Answers and Explanations: B, C, and D: Answers B, C, and D are incorrect; all are gases which will not conduct electricity. CO2 gas starves the fire of oxygen, and Inergen and FE-13 are Halon substitutes which chemically interrupt fire.
class C fires are electrical fires Soda acid contains water, which is an electrical conductor, and should not be used to extinguish a class C fire.
CO2 gas starves the fire of oxygen, and Inergen and FE-13 are Halon substitutes which chemically interrupt fire.