There are five main types of fire extinguishers in the US. Water based extinguishers should be used with trash and wood fires (Class A). Dry chemical extinguishers are used for energized electrical fires (Class C). Carbon dioxide extinguishers are used for flammable liquids (Class B).
Yes, you can recycle a fire extinguisher. Fire extinguishers are made of very recyclable materials, including steel and aluminum. The remaining chemicals inside a used fire extinguisher are normally chemically inert and non-toxic. The MSDS data sheet for that particular extinguisher will tell what these chemicals are.
Can You Use A Fire Extinguisher On An Electrical Fire?
Water fire extinguishers have a class A rating and can be used to put out fires made of wood, paper, or cloth. Water fire extinguishers are not ideal for electrical fires since water is a conductor, and if used on this type of fire, you risk electrocution. They are also not ideal for combustible liquid or metal fires because they will not put …
Depending on the type of fire extinguisher, most portable fire extinguishers contain powdered CO2. Other extinguishers may use water, halon, halon alternative clean agents, or dry or wet chemical. The bottom line is it’s just not safe to …
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher