Many modern fire extinguishers are designed to handle multiple types of fires, and this versatility is reflected in a combination rating. When you glance at a fire extinguisher mounted on the wall, your attention might be drawn to the vibrant red body and the prominent label.
Understanding Fire Extinguisher Number Ratings and Their Meaning
However, the most critical piece of information is often the number displayed on the side, typically found within a circle or on a sticker. This dual-number system provides a comprehensive view of the unit's capabilities.
" This figure directly correlates to the water equivalency; for instance, a Class A rating of "2" signifies that the extinguisher holds the equivalent of 2. These are designated with a "B" followed by a number, like "10," "20," or "40.
Understanding Fire Extinguisher Number Ratings
While the numbers primarily indicate the size of the fire, the presence of a "C" rating is crucial for electrical incidents. " This number represents the size of a gasoline fire, in square feet, that the extinguisher can successfully extinguish.
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