NFPA 70- ARTICLE 100: Definitions
Exam 2025 Questions and Answers
accessible - ANSWER✔✔-admitting close approach, not guarded by locked doors-elevation-or
other effective means
approved - ANSWER✔✔-acceptable to the authority having jurisdiction
arc flash hazards - ANSWER✔✔-a source of possible injury or damage to health associated with the
release of energy caused by an electric arc
arc flash suit - ANSWER✔✔-a complete arc-rated clothing and equipment that covers the entire
body except for the hands and feet
arc rating - ANSWER✔✔-the value attributed to materials that describes their performance to
exposure to an electrical arc discharge
Attachment Plug (Plug Cap) (Plug) - ANSWER✔✔-A device that, by insertion in a receptacle,
establishes a connection between the conductors of the attached flexible cord and the conductors
connected permanently to the receptacle.
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, Authority Having Jurisdiction (AHJ) - ANSWER✔✔-An organization, office, or individual
responsible for enforcing the requirements of a code or standard, or for approving equipment,
materials, an installation, or a procedure.
automatic - ANSWER✔✔-Performing a function without the necessity of human intervention.
balaclava - ANSWER✔✔-an arc-rated head-protective fabric that protects the neck and head except
for a small portion of the facial area
barricade - ANSWER✔✔-a physical obstruction such as tapes, cones, or A-frame-type wood or
metal structures intended to provide a warning and to limit access
barrier - ANSWER✔✔-a physical obstruction that is intended to prevent contact with equipment or
energizes electrical conductors and circuit parts
Bonded (Bonding) - ANSWER✔✔-Connected to establish electrical continuity and conductivity.
Bonding Conductor or Jumper - ANSWER✔✔-A reliable conductor to ensure the required
electrical conductivity between metal parts required to be electrically connected.
Boundary, Arc Flash - ANSWER✔✔-when an arc flash hazard exist, an approach limit from an arc
source at which the incident energy equals 1.2 cal/cm^2 (5J/cm^2)
Boundary, Limited Approach - ANSWER✔✔-an approach limit at a distance from an exposed
energizes electrical conductor or circuit part within which a shock hazard exists
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Exam 2025 Questions and Answers
accessible - ANSWER✔✔-admitting close approach, not guarded by locked doors-elevation-or
other effective means
approved - ANSWER✔✔-acceptable to the authority having jurisdiction
arc flash hazards - ANSWER✔✔-a source of possible injury or damage to health associated with the
release of energy caused by an electric arc
arc flash suit - ANSWER✔✔-a complete arc-rated clothing and equipment that covers the entire
body except for the hands and feet
arc rating - ANSWER✔✔-the value attributed to materials that describes their performance to
exposure to an electrical arc discharge
Attachment Plug (Plug Cap) (Plug) - ANSWER✔✔-A device that, by insertion in a receptacle,
establishes a connection between the conductors of the attached flexible cord and the conductors
connected permanently to the receptacle.
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, Authority Having Jurisdiction (AHJ) - ANSWER✔✔-An organization, office, or individual
responsible for enforcing the requirements of a code or standard, or for approving equipment,
materials, an installation, or a procedure.
automatic - ANSWER✔✔-Performing a function without the necessity of human intervention.
balaclava - ANSWER✔✔-an arc-rated head-protective fabric that protects the neck and head except
for a small portion of the facial area
barricade - ANSWER✔✔-a physical obstruction such as tapes, cones, or A-frame-type wood or
metal structures intended to provide a warning and to limit access
barrier - ANSWER✔✔-a physical obstruction that is intended to prevent contact with equipment or
energizes electrical conductors and circuit parts
Bonded (Bonding) - ANSWER✔✔-Connected to establish electrical continuity and conductivity.
Bonding Conductor or Jumper - ANSWER✔✔-A reliable conductor to ensure the required
electrical conductivity between metal parts required to be electrically connected.
Boundary, Arc Flash - ANSWER✔✔-when an arc flash hazard exist, an approach limit from an arc
source at which the incident energy equals 1.2 cal/cm^2 (5J/cm^2)
Boundary, Limited Approach - ANSWER✔✔-an approach limit at a distance from an exposed
energizes electrical conductor or circuit part within which a shock hazard exists
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
