Water extinguishers cool the fire by removing the heat needed to sustain burning.

Each roadside box holds two 9ltr. water extinguishers.

Foam and water extinguishers require slightly different action.

A typical class A extinguisher is a water extinguisher.

However if you use a water extinguisher you must isolate the electric supply first as you could be electrocuted.

Water extinguishers are suitable for Class A type fires involving combustible materials such as wood, paper and fabrics.

An example would be a 2.5 U.S. gallon pressurized water extinguisher shich has a 2-A rating.

I smartly lifted the rechargeable water extinguisher from the back of the truck, pressurised it and placed it nearby.

Except for water extinguishers, each extinguisher has a coloured band near the top, covering at least 10% of the extinguisher's body length, specifying its contents.

They should also check that there is a water extinguisher by the main exit and a carbon dioxide extinguisher by the dimmers.

As a rule of thumb you need one 10 litre water extinguisher for every 200 sq metre s of floor space with a minimum of two extinguishers.

The extinguisher is operated remotely by a pneumatic actuator as we have had difficulty finding volunteers to discharge a water extinguisher on to a steel plate at 35kV!

Water extinguishers are generally only found in the dormitories and are usually SILVER (crome-metal) in color, have a flat bottom, have a long narrow hose, are quite large (2-1/2 gallons).

In addition, tools like axes, flashlights, chemical portable fire extinguishers, a water extinguisher, an SCBA (Self-Contained Breathing Apparatus), a first aid kit, adapters, and a hydrant wrench can be required.

Water extinguishers can also be fitted with air aspirators when used with foam (commonly used on AFFF and FFFP foam extinguishers) which will result in a more expanded foam but will lack the durability or heat resistance of compressed air foam.