We Know: How to Buy a Fire ExtinguisherThe Classes of Fire ExtinguishersThe types of fire extinguishers available are broken down into classes:
How to Gauge the Effectiveness of a Fire ExtinguisherIn addition to specifying the type of fire an extinguisher is effective against, the size of the fire it can be used for is also noted along with the class. A number preceding the class represents what size fire the extinguisher can handle. For example, a 2-C is only half as effective as a 4-C. On the extinguisher's label, it might say 4-A:5-B:C. The C without the number designation means that it can fight an electrical fire because an electrical fire starts with either burning flammables or combustibles. Rechargeable Versus Disposable Fire ExtinguishersRechargeable fire extinguishers usually cost from two to three times more than disposable fire extinguishers, but they can be refilled by the manufacturer when they lose pressure or if they're used. The shelf life of a disposable fire extinguishers vary by model. Fire Extinguisher ModelsThere are many models to choose from, depending on your needs. Here are several:
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