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 …
Give this article a read and stay safe. 1. Dry Powder Fire ExtinguishersThese aren’t as deadly as CO2 fire extinguishers but are not to be used in limited spaces as they lead to safety concerns. One of the primary concerns can be inhaling the powder.
What fire extinguisher should not be used in confined …
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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Can you use a CO2 extinguisher in a confined space?
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.
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 dry powder fire extinguishers safe?
While dry powder fire extinguishers are not technically as dangerous as CO2 variants, they are often unsuitable for confined spaces, which can indirectly lead to safety concerns. The two primary concerns relate to inhaling the powder or causing reduced visibility.
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher