PUB ED / FLSE

Question 1

What is the NFPA standard for portable fire extinguishers and what are the 5 classifications they are divided into?

Answer 1

NFPA 10
Classes:
1) class A (ordinary combustibles)
2) class B (flammable liquids)
3) class C (energized or charged electrical equipment)
4) class D (combustible metals)
5) class K (kitchen fires, cooking oils)

Question 2

What type of extinguishers are used for each 5 class?

Answer 2

1) class A - water based, multipurpose or dry chem
2) class B - CO2, dry chem, AFFF
3) class C - CO2, dry chem, clean agent
4) class D - dry powder only
5) class K - alkaline mixture - contains potassium carbonates, or a combination in water