The following types of materials which would burn in a Class C fire are: • Computers. • Energized or energy active electrical equipment. • Electrical sources. • Fuse boxes. • Wiring. Class C fires are contained using Carbon Dioxide (CO2) fire extinguishers and Dry Chemical fire extinguishers. Sensitive electrical sources or electrical equipment such as computers, televisions, or wireless devices affected by fire may have residue left once the fire has been deterred.