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1. FIRE EXTINGUISHERSHAVE THEIR LIMITS
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You needtohave throughknowledge aboutfire extinguishers,and RED TRUCK FIRE AND SAFTYCO will
sure helpyouby throwinglightonhowto use them.Like anyotherdevicesfire extinguisherstoohave
theirownlimits,andhence itisveryimportanttoknow theirlimit,andcheckforit regularly.Because
youneverknowwhenthe fire accidentcan occur and it shouldnotoccur that younevercheckedyour
fire extinguisherontime,due towhichonrequiredtime itmaynotwork properly.
Accordingto the size of fire theycan handle Portable extinguishersare rated.Thisratingisexpressedas
a numberfrom1 to 40 for ClassA firesandfrom1 to 640 forClassB fires.The largerthe fire of a specific
classon whichthe extinguishercanbe usedthe largerthe numbers. The C on the label indicatesonly
that the extinguisherissafe touse onelectrical fires.ExtinguishersforClassDdo notuse numerical
ratings.ExtinguishersforClassDfiresare labeledwithalistdetailingthe metals.
Portable extinguishersare useful onlyundercertainconditions:
• The operatormust knowhowto use the extinguisher.
• The operatormust have a clear escape route.
• The extinguishermustbe withineasyreachandfullycharged.
• The extinguishermustmatchthe type of fire beingfought.
• The extinguishermustbe large enoughtoputout the fire.