FAQs / I have a fire extinguisher with a 4-A:60-B:C rating, what does this mean?

• It should extinguish approximately twice as much Class A fire as a 2-A rated fire extinguisher.
• It should extinguish approximately six times as much class B fire as a 10-B rated fire extinguisher.
• It is suitable for use on energized electrical equipment.

Posted in: Fire Extnguisher Questions