Quite a few people seem unsure about powder fire extinguishers following some changes to advice a few years ago about their use. That change stemmed from an amendment to the standard BS 5306-8 aimed at addressing some concerns associated with them.
Knowing which fire extinguisher to use for what type of fire is something that can cause confusion. This article highlights the fact that four out of ten construction workers wouldn’t know which type of fire extinguisher to use on an electrical fire and that’s a sector you’d probably expect to be more knowledgeable than most on fire safety risks.
In particular, quite a few people seem unsure about powder fire extinguishers following some changes to advice a few years ago about their use. That change stemmed from an amendment to the standard BS 5306-8 aimed at addressing some concerns associated with them.
Dry powder fire extinguishers put fires out primarily by quickly interrupting the chemical reaction taking place and cutting off the oxygen supply. While there are different types of powder fire extinguishers available, the type most commonly used can extinguish Class A, B and C fires. Their high extinguishing capacity for their weight combined with their versatility made them popular for use in many settings. But over the years it became apparent there could be some problems resulting from their use.
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Impaired visibility
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Inhalation
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Damage to property and the surrounding area