What shape is used to represent Class B fire in fire classification?

In fire classification, Class B fires are those that involve flammable liquids and gases, such as gasoline, oil, paint, and solvents. The shape used to represent Class B fires is a square. This standardized representation helps firefighters and emergency responders quickly identify the type of fire they are dealing with, allowing them to select the appropriate extinguishing methods and equipment.

Using a square simplifies communication and ensures consistent interpretation across various training materials and operational protocols. Other shapes, such as a triangle for Class A fires (ordinary combustibles) or a circle used for Class C fires (electrical), serve to classify different fire types but are not associated with Class B fires. Understanding this visual representation enhances a firefighter's ability to respond effectively in emergency situations.