KEY TO PLAN SYMBOLS AND ABBREVIATIONS
| Symbol or Abbreviation | Item | Description | |
| Doors – Fire Resisting | Having regard to the relevant British St ... | ||
| Doors – Fire Resisting | Where the degree of fire resistance is a ... | ||
| SC | Doors – Self Closing Devices | * | Doors so indicated are fitted with devic ... |
| SCA | Doors – Automatic Releases | * | Doors so indicated are provided with aut ... |
What do the symbols on a fire extinguisher indicate?
What are the fire extinguisher Colours?
- Blue – Dry Powder.
- Black – Carbon Dioxide (CO2)
- Cream – Foam.
- Red – Water (Spray and Mist)
- Yellow – Wet Chemical.
What does the number on a fire extinguisher stand for?
What size fire extinguisher does my business need?
- Fire Risks: Be aware of the unique hazards within your operation. ...
- Room Size and Materials: The size of a room and how it's organized are important as well. ...
- Employee Ability: A fire extinguisher is only as effective as the individual controlling it, so be sure that your employees can handle the one that you choose. ...
How is a fire extinguisher marked?
The Different Classes of Fire:
- Class A: Class A is used when the burning materials are solids. ...
- Class B: Class B is meant for flammable liquids like petrol and oil. ...
- Class C: The class C is for all types of flammable gases like propane and butane
- Class D: Class D tackles fire in cases of metals, like titanium, magnesium or aluminum.
What is a standard fire extinguisher?
- The Fire Extinguisher must have an Underwriter’s Laboratories (UL) rating of 10 B:C or more. ...
- Each fire extinguisher must be labeled or marked by the manufacturer with its UL rating.
- The fire extinguisher must be designed, constructed, and maintained to permit visual determination of whether it is fully charged.
How are fire extinguishers marked?
Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish.
What is written on a label of a fire extinguisher?
You may see them labeled: "DC" short for "dry chemical" • "ABC" indicating that they are designed to extinguish class A, B and C fires, or • "BC" indicating that they are designed to extinguish class B and C fires. "ABC" fire extinguishers are filled with a fine yellow powder.
What does a slash through a symbol on a fire extinguisher mean?
what does it mean when a fire extinguisher has a pictograph with a red slash through it? Use on that class of fire could be hazardous.
How do you read a fire extinguisher label?
The left side top number is the serial number of the extinguisher. Below the number will be a name and number stamp. The name should read the first and last name of the person who conducted the service. That technician's state id number is located below the name.
What does 10 BC mean on fire extinguisher?
For each B, the extinguisher can stop one square foot of Class B fires. A 10B extinguisher can stop 10 square feet of Class B fire, a 20B extinguisher can stop 20 square feet, and so on.
What does a blue circle on a fire extinguisher mean?
Class C – Fires involving ENERGIZED electrical equipment. Extinguishers capable of extinguishing these fires are identified by a Blue Circle with a “C” inside or a picture of an electrical cord and outlet on the label. Class D – Fires involving combustible metals such as magnesium, titanium, and potassium.
What does a blue circle mean in fire safety?
mandatory actionsWhat does a blue circle mean in fire safety? Blue circular signs are used to indicate mandatory actions in relation to fire safety, e.g. 'fire door keep shut'.
What are the 4 types of fire extinguishers?
There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.
What is a class A fire extinguisher?
Class A – Class A fire extinguishers are those which have green triangles and will be useful for putting out general fires. For example, you can use this extinguisher to put out wood and card fires. Class B – Class B fires are a little more dangerous, on the whole.
What class of fire extinguisher is best for a grease fire?
Class B – Class B fires are a little more dangerous, on the whole. Use these extinguishers, with red square symbols, to put out petrol and grease fires. Class C – This class of fire extinguisher will help you put out electrical fires. These are safe extinguishers to use, as they will prevent you from throwing water on electrical blazes.
Do you need a fire extinguisher at home?
This should mean that you have a fire extinguisher in place to help support you in the event of a blaze. There are many fire extinguisher types, however.
Can you tell which fire extinguisher you are using?
While you might use a foam fire extinguisher to fight certain fires, it is not always easy to tell which type of extinguisher you are working with until you turn it on! However, this is never wise – check the symbols first!
