At least one USCG-approved Class B-1 fire extinguisher is required on any powerboat, unless it is under the following exception:
A UL-listed 5-B:C extinguisher, with 2 pounds of dry chemical, may provide the basis for the extinguisher, but it must ALSO conform to USCG-approvals (proper corrosion protection, labeling, mounting bracket, etc).
Burning liquids such as gasoline, kerosene, paint, acetone, and so on.
First, turn off the motor. The grab that B rated fire extinguisher and aim it at the base of the fire. Every power boat is required to have a fire extinguisher.
A type b extinguisher puts out a class B fire, i.e., flammable/combustible liquids and gases.
First, turn off the motor. The grab that B rated fire extinguisher and aim it at the base of the fire. Every power boat is required to have a fire extinguisher.
Liquid
You need to use a Class B extinguisher on flammable liquids.
The type of fire it is designed to extinguish
type B
A shoe factory is likely to have Class B hazards requiring an ABC or BC type of fire extinguisher.
B-1 is for a Class B fire, that is, flammable/combustible liquids and gases.
Type B
ABC, BC or C. It is often best to disconnect the electrical power and use an extinguisher appropriate for whatever type of fuel happens to be burning (A or B). Do NOT use a water-type A fire extinguisher on an energized electrical fire.