- Name of the manufacturer.
- Type of fires suitable for.
- Type and quantity of extinguishing medium.
- Approval details.
- Instructions for use and recharge.
- Year of mfg.
- Test pressure.
- Temperature range of effectiveness.
How are fire extinguishers marked?
Extinguishers that are suitable for Class A fires should be identified by a triangle containing the letter “A .” A Class B fire extinguisher is used for flammable liquid and gas fires such as oil, gasoline, etc. ... Extinguishers that are suitable for Class B fires should be identified by a square containing the letter “B.”
Do fire extinguishers have to be labeled?
Fire extinguishers that contain hazardous chemicals, as discussed above, must be labeled in accordance with 29 CFR 1910.1200(f)(5) , regardless of when they were manufactured.
Where are fire extinguishers codes required?
1.2. The Code requires portable fire extinguishers in buildings of every occupancy classification other than one- and two-family dwellings , whereas NFPA 101 requires portable fire extinguishers in far fewer occupancies.
What are the symbols on a fire extinguisher?
| LETTER SYMBOL USES | B For gasoline, oil, paint and other flammable liquids. | C For live electrical equipment. | D For combustible metals | K For fires in cooking appliances that involve combustible cooking media (such as oils/fats in deep fryers) |
|---|
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 are the 5 types of fire extinguishers?
When it comes to the types of fire extinguishers, there are five main types including wet chemical, CO2, dry powder, foam and water .
What is the symbol for a Class D fire?
They are for fires that involve combustible metals, such as magnesium, titanium, potassium and sodium. These types of extinguishers also have no numerical rating, nor are they given a multipurpose rating – they are designed for class D fires only. The geometric symbol indicating Class D is a yellow decagon .
Can a Class D fire extinguisher be used on all fires?
While dry powder extinguishers are effective for Class D fires, they are not effective for any other class of fire . It is important that those working around combustible metals understand the unique properties of Class D fires as well as how (and when) to properly and safely operate a Class D fire extinguisher.
How effective are fire extinguishers?
reported, portable fire extinguishers successfully extinguished 12,505 fires (95%).
What is the OSHA standard for fire extinguishers?
NFPA recommends one 2-A fire extinguisher for every 3,000 square feet. OSHA requires employees to have access to an extinguisher within 75 feet . Employees should have access to a fire extinguisher within either 30 or 50 feet, depending on the hazard in question and the rating of the extinguisher (see below).
What does 10 BC fire extinguisher mean?
A 10B extinguisher can stop 10 square feet of Class B fire , a 20B extinguisher can stop 20 square feet, and so on.
What is a disadvantage of carbon dioxide fire extinguishers?
Disadvantages Of Carbon Dioxide Extinguishers
As CO2 works by displacing the oxygen around the fire , it is not suitable for outdoor use, or in environments exposed to windy conditions. CO2 is a high pressured extinguisher. Using it on class A fires or class F fires could cause the fire to spread.
What is code for fire extinguishers?
NFPA 1 mandates fire extinguishers in nearly every kind of building except family homes, duplexes, and manufactured homes. 13.6. 1.2* Where Required. Fire extinguishers shall be provided where required by this Code as specified in Table 13.6.
How do you calculate the number of fire extinguishers?
Size and layout of the room: The square footage of a building and its layout will determine the number of fire extinguishers needed. For example, NFPA code states that there should be no more than 75 feet between fire extinguishers.
What is the required distance between fire extinguishers?
The employer shall distribute portable fire extinguishers or other containers of Class D extinguishing agent for use by employees so that the travel distance from the combustible metal working area to any extinguishing agent is 75 feet (22.9 m) or less .
