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Fire Investigator Definitions questions with actual answers.
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Fire Investigator Definitions questionswith actual answers.
ABC ANS -American Board of Criminalistics.
ABET ANS -Accreditation Board of Engineering and Technology.
AC ANS -Alternating Current.
Accidental Fire Cause ANS -Cause classification for a fire that does not involve a deliberate human act to
ignite or spread the fire into an area where the fire should not be.
Accreditation Board of Engineering and Technology (ABET) ANS -Organization that provides
accreditation, promotion, and advancement of education in applied science, computing, engineering,
and technology.
Acquired Immune Deficiency Syndrome (AIDS) ANS -Fatal viral disease that is spread through direct
contact with bodily fluids from a previously infected individual.
Administrative Search Warrant ANS -Court order that allows investigators the right to enter a scene
after the fire department has left the scene or to reenter the scene if the investigator arrived while the
fire department had control of the scene.
AFCI ANS -Arc-Fault Circuit Interrupter.
AFSA ANS -American Fire Sprinkler Association.
Aggregate ANS -Gravel, stone, sand, or other inert materials used in concrete; these materials may be
fine or coarse.
AHJ ANS -Authority Having Jurisdiction.
,AIDS ANS -Acquired Immune Deficiency Syndrome.
Alarm-Initiating Device ANS -Mechanical or electrical device that activates an alarm system. There are
three basic types of alarm-initiating devices: manual, products-of-combustion detectors, and
extinguishing system activation devices.
Alarm System ANS -System by which occupants and/or emergency personnel can be alerted to the
existence of a hostile fire.
Alpha particle ANS -Particle having a large mass and a positive electrical charge; least penetrating of the
three common forms of radioactive substances. It is normally not considered dangerous to plants,
animals, or people unless it gets into the body.
Alternating Current (AC) Circuit ANS -Electrical circuit in which the current can move through the circuit
in both directions and the flow can be constantly reversing.
American Board of Criminalistics (ABC) ANS -National peer-review group that certifies forensic scientists
in specific disciplines including fire debris analysis.
American Fire Sprinkler Association (AFSA) ANS -Nonprofit, international association representing open
shop fire sprinkler contractors, dedicated to the educational advancement of its members and
promotion of the use of automatic fire sprinkler systems.
American Society of Testing and Materials (ASTM) ANS -Voluntary standards-setting organization that
establishes characteristics and performance of materials, products, systems and services; for example
the quality of concrete or the flammability of interior finishes.
American Wire Gauge (AWG) ANS -Measurement unit for the diameter of wire; larger AWG numbers
indicate smaller diameters than smaller AWG numbers; for example, No.14AWGwire is smaller than No.
8AWGwire.
Ammeter ANS -Instrument for measuring electric current in amperes.
,Ampacity ANS -The current-carrying capacity of conductors or equipment, expressed in amperes.
Ampere ANS -Basic unit of electrical current that may be abbreviated either by A or I. Amount of
current sent by one volt through one ohm of resistance.
Annealed Glass ANS -Glass that has slowly cooled during the forming process to relieve internal stresses
of the quenching process; most commonly found glass that breaks into large pieces and shards when
broken.
Arc ANS -High-temperature, luminous electrical discharge across a gap or though a medium such as air,
another conductor, or charred insulation.
Arc-Fault Circuit Interrupter (AFCI) ANS -Electronic device (generally a part of a circuit breaker) that
detects arcing conditions caused by the energized conductor contacting either the neutral conductor or
a grounded object.
Arc Mapping ANS -Visual documentation of the path of electrical arcs at a scene.
Area of Origin ANS -Location (room or area) where the ignition source and material first ignited actually
came together for the first time.
Arrow Pattern ANS -See Pointer Pattern.
Arson ANS -Crime of willfully, maliciously, and intentionally starting a fire (firesetting) or causing an
explosion to destroy one's property or the property of another. Precise legal definitions vary among
jurisdictions, wherein it is defined by statutes and judicial decisions.
Arson Immunity Law ANS -Law stating that insurance companies must release all information and
documentation when requested to a public entity when there is reason to suspect a fire under
investigation was intentionally set. The released information is considered confidential until it is used in
court proceedings and the insurance company that released the information is granted immunity under
the law for breaking any confidentiality requirements it may have to its clients.
, Arson Strike Force ANS -Special purpose, short-term mobilization of a team (or teams) of investigators
together with allied resources that applies high intensity investigative efforts to a major arson incident
or series of incidents.
Arson Task Force ANS -Legal or quasi-legal body or private advisory committee established to set policy
and implement new programs based upon information gathered about local arson activity; not
investigative units.
Artifacts ANS -The remains of materials involved in the fire that are in some way related to ignition,
development, or spread of the fire or explosion.
Asbestos ANS -Carcinogenic fibrous substance (noncombustible magnesium silicate minerals) used for
fireproofing, brake linings, roofing compositions, and other purposes such as insulation and ceiling
materials in older buildings. Inhaled asbestos fibers travel to the lungs, causing scaring, reduced lung
capacity, and cancer.
ASCLD ANS -Association of Crime Laboratory Directors.
Asphyxiant ANS -Any substance that prevents oxygen from combining in sufficient quantities with the
blood or from being used by body tissues.
Association of Crime Laboratory Directors (ASCLD) ANS -Association that provides criteria used to judge
whether a facility and its practices provide an atmosphere conducive to the quality of work necessary in
the forensic field.
ASTM ANS -American Society of Testing and Materials.
ATF ANS -Bureau of Alcohol, Tobacco, Fire Arms, and Explosives.
Authority Having Jurisdiction (AHJ) ANS -Term used in codes and standards to identify the legal entity,
such as a building or fire official, that has the statutory authority to enforce a code and to approve or
require equipment. In the insurance industry it may refer to an insurance rating bureau or an insurance
company inspection department.
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