S a f e t y T o o l b o x T o p i c s

Fire extinguishers are considered first aid appliances.  Operators must be trained in their classification and use.  When a fire is first detected, THINK SAFETY FIRST!

• Sound the alarm 
• Immediately contact the local Fire Department by dialing 911 if possible.
• Provide any and all information requested.

Classification of types of fires and types of portable fire extinguishers:

• Class A fires involve ordinary materials such as paper, cloth wood, cardboard, foam, and other rubbish and debris.
  • Use a Class A or Class ABC fire extinguisher on this type of fire.
• Class B fires involve flammable and combustible liquids such as fuels, paints, solvents, and grease.
  • Use a Class B or Class ABC fire extinguisher!
  • Do not use a Class A extinguisher on this type of fire. Possibility of spreading the flames.
• Class C fires are electrical fires.
  • Use a Class C or Class ABC fire extinguisher on these types of fires.
  • Do not use a Class A fire extinguisher on this type of fire. You must disconnect the power source to eliminate these types of fires.
• Class D fires involve flammable metals such as magnesium, potassium, and other flammable metals.  Must utilize special extinguishing agents to extinguish these types of fires.
  • Class A, Class B, or Class C fire extinguishers are not designed to extinguish these types of fires.
  • Class ABC fire extinguishers are designed to be used on all classes of fires except Class D fires.
  • Class BC fire extinguishers are designed to be used on flammable liquid and electrical fires only.

Follow these operating procedures if/when attempting to extinguish a fire utilizing a fire extinguisher listed above.  Do not attempt to extinguish a fire if you are not trained and/or authorized to do so.  PASS method of using fire extinguishers:

• PULL the retaining pin on the handle of the fire extinguisher.  Stand back 8-10 feet from the fire.
• AIM the nozzle of the extinguisher at the base of the fire.
• SQUEEZE the handle of the extinguisher.
• SWEEP the extinguishing agent at the base of the fire.