tell me what kind of fire extingting ushers should not be used on ???
Fire extinguishers are best used on incipient (at the beginning) fires.
FIRE extinguishers are used to put out fire.
A is a fire caused by burning solids. B is a fire caused by burning liquids. C is a fire caused by electricity. BC fire extinguishers should not be used against type A fires, but ABC fire extinguishers can be used against all three fires.
You should put different things on a fire depending on what is causing the fire. Water is good for fires with nonmetallic combustible sources such as paper or wood. For electrical, grease, or metallic fires you will need fire extinguishers made for those types of fires.
Class A fire extinguishers - used for fires caused by "ordinary combustibles" aka paper, wood, plastic, cardboard, etc.Class B fire extinguishers - used for fires caused by flammable liquids such as gasoline and oil.Class C fire extinguishers - used for electrical firesClass D fire extinguishers - used for fires caused by explosive or flammable metals (most commonly found in laboratoriesClass K fire extinguishers - used for fires found in commercial kitchens
liquids
Class K fire extinguishers are designed to supplement kitchen fire suppression systems.
ABC fire extinguishers extinguish fires by cooling it down.
normally red, but different fires require different extinguishers which will vary in color.
It is very important to know the proper way to use a fire extinguisher. If you would like to learn the ABC's of fire extinguishers, you should go here: http://www.fireextinguisher.com/ This interactive and thorough website will teach you all about fire extinguishers and what types of extinguishers you should use on certain types of fires. The site is very in depth.
Liquids
to put out fire In other words, because there are different types of fires there are different types of fire extinguishers. The label will tell you what type of fire it is designed for.