Multipurpose fire extinguishers marked ABC may be used on all three classes of fires. Remember, in some cases it may be dangerous to use any type of extinguisher. For instance, pressurized extinguishing agent could spread a grease pan fire rather than put it out. The lager the numbers, the larger the fire that the extinguisher can put out, but the 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 learn how to inspect your extinguisher. Follow manufacturer's instructions on maintenance. Rechargeable models must be serviced after every use. Disposable fire extinguishers can be used only once and must be replaced after use. THE PASS-WORD Keep your back to an unobstructed exit and stand six to eight feet away from the fire.