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Fire Extinguishers
Fire extinguishers used properly can be effective against small fires. There are certain conditions that you must follow before attempting to use an extinguisher. First, know how to use the fire extinguisher before an emergency. There is no time to try to read the instructions on its use during a fire. Make sure you have the right fire extinguisher for the class of fire, and that you have an exit to your back in which to escape. DON’T put a fire between you and an exit in which to escape. Use the “PASS” word as a reminder for using the fire extinguisher: P - Pull the pin out (this will break the plastic seal used to hold the pin in) A - Aim at the base of the fire with the nozzle, or hose S - Squeeze the levers together to discharge the extinguisher S - Sweep the fire from side to side while aiming at the base of the fire The classes of fires:
- Class A: Ordinary combustibles such as wood, cloth, and paper
- Class B: Flammable liquids such as gasoline, kerosene, oil, and oil-based paint
- Class C: Energized electrical equipment such as a TV, computer, stereo, etc.
- Class D: Combustible metals such as magnesium
Basic types of fire extinguishers:
- ABC Dry Chemical: Multipurpose type, useful for class A, B, and C fires
- Carbon Dioxide: Useful on class B and class C fires
- Water: Used only on class A fires
ABC Dry Chemical fire extinguishers are the best type to purchase for the home. |
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Maintenance of Fire Extinguishers
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Inspect fire extinguishers once a month to ensure the following:
- The extinguisher is not blocked by equipment, coats or other objects that could interfere with access in an emergency.
- The pressure is at the recommended level. On extinguishers equipped with a gauge (such as that shown on the right), the needle should be in the green zone - not too high and not too low.
- The nozzle or other parts are not hindered in any way.
- The pin and tamper seal (if it has one) are intact.
- There are no dents, leaks, rust, chemical deposits and/or other signs of abuse/wear. Wipe off any corrosive chemicals, oil, gunk etc. that may have deposited on the extinguisher.
Some manufacturers recommend shaking your dry chemical extinguishers once a month to prevent the powder from settling/packing.
Fire extinguishers should be pressure tested (a process called hydrostatic testing) after a number of years to ensure that the cylinder is safe to use. Consult your owner's manual, extinguisher label or the manufacturer to see when yours may need such testing.
If the extinguisher is damaged or needs recharging, replace it immediately!
Recharge all extinguishers immediately after use regardless of how much they were used.
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