Fire Behavior
Rapid transition from a developing fire to a fully developed fire.
Flashover
Acronym used for extinguisher operation.
PASS
PPE protecting the head from heat and debris.
Helmet
Construction type common in residential homes.
Type V
Hose commonly used for interior fire attack (1¾ or 2½).
Attack Hose
System used to track firefighters at an incident.
Accountability System
Oxygen introduced to a smoldering fire causing explosive ignition.
Backdraft
Fire class involving wood, paper, cloth.
Class A
Breathing device supplying air in hazardous atmospheres.
SCBA
Construction type using steel structural members.
Type II
Large hose used to supply water from hydrant to apparatus.
Supply Hose
Emergency radio call used by a firefighter in distress.
Mayday
Three elements needed for fire to exist.
Heat, O2 and Fuel
Extinguishing agent that interrupts the chemical chain reaction. Dry Chemical
Dry Chemical
Alarm activated when firefighter stops moving.
PASS Device
Area around a building 2x the wall height where collapse may occur.
Collapse Zone
Appliance that divides one hose line into two.
Wye
Organization that develops fire service safety standards.
NFPA
Heat transfer through solid materials.
Conduction
Fire class involving energized electrical equipment
Class C
SCBA component reducing cylinder pressure.
Pressure Regulator
Framing method with studs running foundation to roof.
Balloon Framing
Hose stream made of small droplets used to cool gases.
Fog Stream
Standardized system used to manage personnel and an incident from single agency to multiple agency and jurisdictions
Incident Command System
Movement of heated smoke and gases (high Pressure) toward areas of lower pressure.
Flow Path
Fire class involving combustible metals.
Class D
The acronym IDLH
Immediately Dangerous to Life or Health
Construction using large timber beams and columns.
Type IV (Heavy Timber)
Nozzle that can switch between straight stream and fog.
Combination Nozzle
AHJ Stands for this
Authority having jurisdiction