The nature of the burning materials plays a vital role in the fire class
Class A fire
This type of fire involves solid materials, usually of an organic nature, in which combustion normally takes place with the formation of glowing embers eg: coal, paper, plastic, wood and textiles.
Class B fire
Flammable liquids and flammable gases are the cause of this type of fire eg: alcohols, benzene, oils, paraffin, petrol, LPG, hydrogen, acetylene
Class C fire
Occur in the presence of energized electrical equipment and involves class A fire, Class B fire and Class D fire. eg: electrical cables, generators, transformers, switchboards
Class D fire
Combustible metals such aluminium, magnesium, sodium, potassium and lithium will be involved
Class F fire
Generally occur in the kitchen environment and involves fat and cooking oil.