Again, this can impact your ability to safely evacuate. You should also avoid both dry powder extinguishers and CO2 extinguishers when in confined spaces. This is mainly due to the lack of visibility it provides, as well as inhalation of the powder that can be hazardous.
CO2 fire extinguishers are not safe in confined spaces as they displace oxygen. A – wood paper trash. B – chemical. C – Electrical. D – flammable metals. K – kitchen/grease. Halon/Nitrogen – delicate electronics. AFFF – flammable liquids that are unidentifiable
What Fire Extinguisher Shouldn’t be Used in Confined Spaces?
24 June 2020. AUTHOR. SHARE. When a CO2 extinguisher is used in a confined space there is danger that the user may become overwhelmed by the sudden increase in carbon dioxide emissions. This occurs as CO2 is an …
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What happens if you use a fire extinguisher in a confined space?
If you use an extinguisher in a confined space, the product discharged may displace any or all breathable air in the space if it is not already displaced. For example, a CO2 extinguisher will fill a space with CO2 and leave an air or oxygen concentration too low to support life.
What type of fire extinguisher should you use in a fire?
When a fire breaks out in a confined space, it’s likely that you will use a water extinguisher (red label) or a foam extinguisher (cream label) to combat the flames. Foam extinguishers are particularly suited to fires caused by solids and liquids.
Should a fire extinguisher be pointed at the top or bottom?
But not for electrical fires. They should be used by pointing the nozzle above the fire and allowing the foam to rain down over the flame. A water extinguisher should be pointed at the base of the fire, even when using a spray or mist variant.
Are carbon dioxide fire extinguishers safe?
Furthermore, carbon dioxide fire extinguishers may cause visibility issues as the CO2 replaces oxygen in the air and combats the flames, which is another cause for concern.
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher