A dry powder fire extinguisher is an extremely versatile extinguisher choice because it can be used to extinguish almost any type of fire. However, using a dry powder fire extinguisher in an enclosed space is not advised.
• Fires involving flammable solids such as paper, wood, and textiles (referred to as “class A” fires)
• Fires involving flammable liquids such as gasoline, diesel, and paint (referred to as “class B” fires)
• Fires caused by flammable gases like butane and methane (‘class C’ fires)
• Electrical fires involving electrical equipment with a voltage of up to 1000 volts
• Fires caused by the flammable metal lithium (L2 powder extinguishers only)
• All other flammable metal fires (M28 powder extinguishers only)