What is a CO2 fire extinguisher used for?
CO2 extinguishers are mainly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms. They also put out Class B fires. CO2 extinguishers suffocate fires by displacing the oxygen the fire needs to burn. This type of extinguisher has a black label.
What does ABC mean on fire extinguisher?
Dry Chemical Extinguishers come in a variety of types. You may see them labeled: • DC short for dry chem • ABC indicating that they are designed to extinguish class A,B,and C fires, or • BC indicating that they are designed to extinguish class B and C fires.
When should you use a CO2 fire extinguisher?
CO2 fire extinguishers are mainly aimed at electrical fires but are also suitable for Class B liquid fires and are used in different ways depending on the type of fire they are being used on. Do not use CO2 extinguishers in small rooms as CO2 gas is poisonous at only 4% concentration and can kill at just 8%.
When should a CO2 fire extinguisher be used?
CO2 extinguishers are ideal for places with a lot of electrical equipment such as offices or server rooms because they are safe to use on fires involving electrical apparatus. Carbon dioxide extinguishers do not leave any residue, unlike a foam extinguisher.
What is a disadvantage of carbon dioxide fire extinguishers?
Disadvantages Of Carbon Dioxide Extinguishers As CO2 works by displacing the oxygen around the fire, it is not suitable for outdoor use, or in environments exposed to windy conditions. CO2 is a high pressured extinguisher. Using it on class A fires or class F fires could cause the fire to spread.
What type of fire can an ABC extinguisher be used?
An extinguisher with an ABC rating is suitable for use with fires involving ordinary combustibles, flammable liquids and energized electrical equipment. An extinguisher that is rated for use with multiple hazards should include a symbol for each hazard type.
Why shouldnt you use a water extinguisher on an electrical fire?
Water fire extinguishers are NOT suitable for electrical fires as water is a conductor and you are at risk of electrocution if used on this type of fire. They are also NOT suitable for flammable liquids or flammable metal fires as it will not extinguish the fire.
What are the different Colours of fire extinguishers?
The five fire extinguisher colours are:Blue – Dry Powder.Black – Carbon Dioxide (CO2)Cream – Foam.Red – Water (Spray and Mist)Yellow – Wet Chemical.