Materials, usually flammable liquids, used to initiate or increase the spread of fire.


The explosion of heated gases that occurs when oxygen is introduced into a space within a burning building where the oxygen has been depleted by the fire.

Carbon Monoxide

A toxic gas, odorless and colorless, that produced when substances are incompletely burned. Combustible. Capable of reacting with oxygen and burning if ignited.


A way out or an exit.

Fire Alarm

A number of devices working together to detect and warn people through visual and audio appliances when smoke, fire, carbon monoxide or other emergencies are present. These alarms may be activated from smoke detectors, and heat detectors.

Fire Code

A set of legally adopted rules and regulations designed to prevent fires and protect lives and property.

Fire Drill

A drill for pupils in a school, employees in a factory, etc., to train them in the manner of exit to be followed in case of fire.

Fire Escape

An apparatus or structure used to escape from a burning building, as a metal stairway down an outside wall.


Easily set on fire; combustible; inflammable.

Heat Detector

Fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element.

Ignition Point

The minimum temperature at which a substance will burn.

Ignition Temperature

The minimum temperature at which a fuel, when heated, will ignite in air and continue to burn; the mini- mum temperature required to for a self-sustained combustion.

Life Safety Code

NFPA 101, the code that describes the structures, equipment and behaviors that can protect life if there is a re, such as size and location of exits and the need for regular re drills.


The National Fire Protection Association (NFPA) is a global nonprofit organization, established in 1896, devoted to eliminating death, injury, property and economic loss due to fire, electrical and related hazards.

Smoke Detector

A smoke detector is a device that senses smoke, typically as an indicator of fire.