Conditions that favor fire development or growth

The result of combustion

A chemical reaction between oxygen and a combustible fuel

Source of ignition

It happens when a hydrocarbon substance unexpectedly create a fire without apparent cause

The most common class, these fires involve common combustibles such as wood, paper, cloth, rubber, trash, and plastics.

These Involve flammable liquids, solvents, oil, gasoline, propane, butane, paints, lacquers, and other oil-based products or petroleum-based products.

Old wiring and space heaters are common causes for residential Class C fires, which involve energized electrical equipment such as wiring, controls, motors, machinery, or appliances.

It is not common, they can be more difficult to extinguish. They typically involve combustible metals such as magnesium, lithium, potassium, and titanium. This type of fire is more commonly seen in laboratories.

These are related to combustible cooking materials such as oils and grease commonly found in kitchens. The fires can spread quickly and be the most difficult to manage, especially since water can make the situation worse.