A fire in which the primary source of heat is electricity, resulting in combustion of adjacent insulation and other materials; may be hazardous to attempt to extinguish using water. 

Round, hollow stream formed as water passes a round baffle through a round orifice (e.g., on an adjustable nozzle

Storage tank that is not buried. Compare Underground storage tank

flammable fuel (often liquid) used by some arsonists to increase size or intensity of fire. May also be accidentally introduced when HAZMAT

(1) system for detecting and reporting unusual conditions, such as smoke, fire, flood, loss of air, HAZMAT release, etc; (2) centralized dispatch center for interpreting alarms and dispatching resources. See fire alarm control panel

Status report at fire scene indicating that available manpower is busy, and more resources may become necessary if incident is not controlled soon. 

component of ANFO; contents of two ships that exploded in Texas City Disaster, killing over 500 people, including all 28 volunteer firefighters at the scene. 

Ammonium Nitrate Fuel Oil combination making a high explosive. 

the crime of maliciously (or perhaps recklessly) setting fire to property, especially a dwelling. Punishable in various degrees, depending upon the circumstances. 

(or AHJ): organization or agency with legal authority over a given type of incident (e.g, fire, EMS, SAR, arson, HAZMAT); may change or overlap as incident changes, as where fire becomes arson investigation once danger is over, or Motor Vehicle Accident becomes police business after vehicle extrication, fire, and HAZMAT issues are complete.