Fire Hazard

Fire Hazard

• Conditions that favor fire development or growth

• Spark

• Flame

• High temperature

What are the sources of ignition?

• Heat

• Fuel

• Oxygen

What are the three elements a fire needs to ignite?

Class A Fires

Solid materials such as wood or paper, fabric, and some plastics

Class B Fires

Liquids or gas such as alcohol, ether, gasoline, or grease

Class C Fires

Electrical failure from appliances, electronic equipment, and wiring

Class D Fires

Metallic substances such as sodium, titanium, zirconium, or magnesium

Class K Fires

Grease or oil fires specifically from cooking

Pull

Aim

Squeeze

Sweep

How to use a fire extinguisher?

Pin and Seal

Gauge

Hose

Nozzle

Inspection Tag

What are the parts of a fire extinguisher?

Class A Fire Extinguisher

contain water for use against fires involving ordinary combustibles like paper, wood, cloth and most plastics.

Class B Fire Extinguisher

use dry chemicals to put out fires caused by gasoline, oil and solvents.

Class C Fire Extinguisher

contain carbon dioxide for use against electrical fires.

Class D Fire Extinguisher

spray dry powder on combustible metals like magnesium, titanium, aluminum, sodium, and potassium.

Smoke Detectors

Require a flow of air in order to work well

Class K Fire Extinguisher

use a wet, potassium acetate-based, low pH agent to put out "cooking" fires in which there are animal or vegetable oils and fats.

Heat Detectors

Detect fires where there is no smoke activated by the significant increase of temperature associated with fire

Flame Detectors

React to the movement of flames