ELECTRICAL FIRE classes of Fire fire classes Class A fires class A fires Class A fires Class A fires Classification of Fires classes of fires Class A fires Class A fires Class A fires Class A fires Classification of Fires Class B metal fire ELECTRICAL fire Class A fires Class A fires Class A fires ELECTRICAL FIRE Class B fires Class A Class F http://en.wikipedia.org/wiki/Fire_classes Class D risk of ignition Class B Class A fires Class A fires Wikipedia Class A ELECTRICAL FIRE ELECTRICAL FIRE http://en.wikipedia.org/wiki/Fire_classes fire classes use a Class B fire extinguisher Class A fires fire classes ELECTRICAL FIRE Class A fires Class A fires Class A fires Class A fires Class A fires Class B fires http://en.wikipedia.org/wiki/Fire_classes Class D Class A fires Class A fires Class A fires Class A Class A fires Class F