What do symbols on a fire extinguisher indicate?

Extinguishers are classified by a number and letter symbol. The number indicates the relative size of the extinguisher, and the letter indicates the type of fire it will extinguish. Type A fires are of combustible solids such as wood.

What are the markings required on fire extinguisher?

Name of the manufacturer. Type of fires suitable for. Type and quantity of extinguishing medium.

What is the symbol on a fire extinguisher designed for fires caused by live electricity?

Extinguishers that are suitable for Class B fires should be identified by a square containing the letter “B.” A Class C fire extinguisher is used on fires that involve live electrical equipment, which require the use of electrically nonconductive extinguishing agents.

Where are classification markings on a fire extinguisher?

Class D extinguishers are meant to put out fires caused by combustible or liquid metals and are very specialized extinguishers. They are marked by the letter D in a star shape with the words “combustible metals” around it.

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What are the fire extinguisher Colours?

The five fire extinguisher colours are:

  • Blue – Dry Powder.
  • Black – Carbon Dioxide (CO2)
  • Cream – Foam.
  • Red – Water (Spray and Mist)
  • Yellow – Wet Chemical.

What do the symbols on a fire extinguisher indicate quizlet?

Extinguishers are classified by a letter and number symbol. … indicates the type of fire it will extinguish. Type Afires. fires of combustible solids like wood.

What are the symbols for fire?

l.e. Fire can also be represented by a sword. The alchemical symbol of fire is an upward pointed triangle. The colors of fire are traditionally red, orange, and yellow. These create the aspects of flames and rays.

What does the symbol look like for fires involving electrical equipment?

The geometric symbol is the red square and the pictograph shows a fuel can in flames. Class C – for fires involving electrical equipment, like appliances, wiring, circuit breakers or outlets. You should never use water to extinguish a class C fire. … The geometric symbol is the yellow star, or decagon.

What does 4A 80B C mean?

Buckeye ABC Dry Chemical Extinguisher 4A:80B:C is designed for use on Class A fires (ordinary combustibles), Class B fires (flammable liquids and gases), and Class C fires (energized electrical equipment).

What color of symbol is used to indicate a portable fire extinguisher that is used on a Class A fire?

The symbol at the left (which depicts a Class A fire) is blue. Since the extinguisher is not recommended for use on Class B or C fires, the remaining two symbols (which depict Class B and Class C fires) are black, with a diagonal red line through them.

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What symbol is used for a Class C fire extinguisher?

The C classification means the extinguishing agent is non-conductive. The geometric symbol indicating Class C is a blue circle.

Why is fire extinguisher painted red?

Firstly, red is the colour associated with both danger and fire and so there is an obvious association with fire extinguishers. Secondly, red is the colour most easy to see, especially in a darker environment, such as a smoke-filled room. The only exception to the ‘red’ rule, is chrome extinguishers.

What Colour are fire equipment signs?

Health and Safety (Safety Signs and Signals Regulations) 1996

Type Shape Colour
FIRE EQUIPMENT SIGNS These signs are used to indicate the location of fire equipment Rectangular or Circle Red with white symbols or text
Supplementary Information Signs Rectangular Green, Red, Yellow, with White or Black Text

What is the yellow powder in a fire extinguisher?

Many fire extinguishers release a fine powder. The most common is the multipurpose dry chemical type, which is used for Class A, B, and C fires. These contain monoammonium phosphate, which comes out as a yellow powder.