A carbon dioxide extinguisher (used on electrical installation fires) should not be used in a confined space, as the user could be overcome and be asphyxiated (deprived of air).
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 asphyxiant, and the confined …
Which type of fire extinguisher should avoid in confined space …
What fire extinguishers shouldn’t be used in confined spaces? The main fire extinguishers to avoid when in a confined space are CO 2 and dry powder extinguishers. In BS 5306-8, it is noted that dry powder extinguishers can reduce visibility and impair breathing, both of which inhibit the safe and easy escape – or rescue from – the space.
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What fire extinguisher should not be used in a confined space?
What fire extinguisher should not be used in confined spaces? 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 asphyxiant, and the confined space means oxygen will be replaced by the CO2 much faster.
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.
What should I avoid when using a fire extinguisher?
Unless you are equipped with self-contained breathing apparatus (SCBA), you should avoid using fire extinguishers that displace the breathable oxygen, generate other asphyxiants or otherwise implicate your ability to breathe.
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