Multipurpose fire extinguishers, labeled ABC, may be used on all three classes of fire. If you use the wrong type of extinguisher, you can endanger yourself and make the fire worse. An extinguisher used too close to a cooking grease fire could spread the grease fire outside of the frying pan rather than putting it out. The larger the numbers, the large the fire that the extinguisher can put out, but higher-rated models are often heavier. Make sure you can hold and operate an extinguisher before you buy it.
Extinguishers require routine care.
Read your operator's manual to lean how to inspect your extinguisher. Follow manufacturer's instructions for maintenance. Rechargeable models must be serviced after every use. Disposable fire extinguishers can be used only once and must be replaced after use. This unlocks the operating lever and allows you to discharge the extinguisher.