Because they actually sit in two categories. According to the above list, you’ll be able to use a foam fire extinguisher on type A and type B fires. In short. They can be used on solids and liquids. This is great as it means you don’t have to buy two fire extinguishers for one room. Where do You Use a Foam Fire Extinguisher?
Foam fire extinguishers are ideal for use on fire involving solid combustible materials and are highly effective on flammable liquid fires. It is important to remember that water conducts electricity and should not be used around electrical equipment (unless water extinguishers with additive are used).
Foam fire extinguishers – colours and uses explained
Foam fire extinguisher uses: • Fires involving flammable solids, such as paper, wood, and textiles (‘class A’ fires) • Fires involving some flammable liquids, such as petrol, diesel, and paint (‘class B’ fires) • Fires involving electrical appliances IF the extinguisher has passed the 35kv conductivity test.
It is recommended to use a foam fire extinguisher for class A and class B fires. Fires that are categorised as class A involve flammable solids such as rubber, wood, paper and textile materials, where as class B fires involve flammable liquids such as kerosene or petrol.
People Also Ask when should a foam fire extinguisher be used
When to use a foam fire extinguisher?
When To Use A Foam Fire Extinguisher? It is recommended to use a foam fire extinguisher for class A and class B fires. Fires that are categorised as class A involve flammable solids such as rubber, wood, paper and textile materials, where as class B fires involve flammable liquids such as kerosene or petrol.
What type of fire extinguisher should I use?
A fire blanket is also recommended for use on class A fire’s. DO NOT use foam fire extinguishers on electrical fires as the foam solution contains water. As water is a conductor of electricity it could cause the fire to spread. We offer the highest quality foam fire extinguishers at extremely cheap prices.
What are foam fire extinguishers made of?
Over the years foam fire extinguishers have evolved into a more efficient type of fire extinguisher. The original foam extinguisher was once filled with a thick and smelly substance based on animal protein, these days a more advanced solution of aqueous film foaming foam (AFFF) is used.
How do you use a fire extinguisher correctly?
• Do NOT spray directly at the fire, this can cause it to spread to nearby surfaces • Where the liquid on fire is contained, point the extinguisher at the inside edge of the container • If it’s not contained, spray with a gentle, sweeping movement across the TOP of the fire, or against an adjacent surface
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Fire Safety Training – How to Use a FOAM Fire Extinguisher Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher