Kidde Products UK make foam fire extinguishers. Wilson placed wooden blackamoors carrying acetylene torches and fire extinguishers. Rating and Fire Testing of Fire Extinguishers. Police cars may also contain fire extinguishers or defibrillators. Some fire extinguishers, especially those designed for electrical fires, contain liquid carbon dioxide under pressure. They resorted to water hoses when the dry fire extinguishers proved ineffective. Special fire extinguishers which do not use toxic materials must be used. The electric generators also powered the fire extinguishers. All fire extinguishers must be painted signal red. Stored pressure fire extinguishers are the most common type. Fire extinguishers are also recommended in homes. In many instances, roll bars, fire extinguishers, and other safety equipment is installed. Examples include snowshoes, fire extinguishers, flood insurance, etc. Building contractors working in a nearby room attempted to tackle the blaze using fire extinguishers. Some of them threw rocks, cans and used fire extinguishers.