Holt, Electricians Exam Prep Unit 1
2026_2027
Expert-Verified Questions and
Answers
(With A+ Grades Guarantee)
,The National Electrical Code is _____. for the practical safeguarding of persons and property
a. intended to be a design manual
b. meant to be used as an instruction guide for untrained
persons
c. for the practical safeguarding of persons and property
d. published by the Bureau of Standards
Article 90.1(A) Purpose pg. 22
Compliance with provisions of the Code will result in an electrical system free from hazard
_____.
a. good electrical service
b. an efficient electrical system
c. an electrical system free from hazard
d. all of these
Article 90-1(B) Purpose pg 22
The purpose of this Code is the practical safeguarding of all of these
persons and property from hazards arising from the use of
electricity. This Code contains provisions considered
necessary for safety regardless of _____.
a. efficient use
b. convenience
c. good service or future expansion
d. all of these
Article 90-1(B)Purpose pg. 22
The Code applies to the installation of _____. all these
a. electrical conductors and equipment within or on public
and private buildings
b. outside conductors and equipment on the premises
c. optical fiber cable
d. all these
Article 90.2(A) Covered pg. 22
The Code does not cover installations in ships, watercraft, True
railway rolling stock, aircraft, or automotive vehicles.
a. True
b. False
Article 90.2(B)(1) Not Covered pg 22
Installations of communications equipment under the are not
exclusive control of communications utilities located
outdoors or in building spaces used exclusively for such
installations _____ covered by the Code.
a. are
b. are sometimes
c. are not
d. might be
Article 90.2(B)(4) Not Covered pg. 22
Chapters 1 through 4 of the NEC apply _____. generally to all electrical installations
a. generally to all electrical installations
b. to special installations and conditions
c. to special equipment and material
d. all of these
Article 90.3 Code Arrangement pg 23
The authority having jurisdiction of enforcement of the all of the above
Code has the responsibility ____.
a. for making interpretations of the rules of the Code
b. for deciding upon the approval of equipment and
materials
c. for waving specific requirements in the Code and
allowing alternate methods and material if safety is
maintained
d. all of the above.
Article 90.4 Enforcement pg. 23
, Explanatory material, such as references to other False
standards, references to related Sections of the Code, or
information related to a Code rule is included in the Code
book in the form of a Fine Print Note (FPN)
a. True
b. False
Article 90.5(C) Explanatory Material pg 24
Equipment listed by a qualified electrical testing laboratory internal
is not required to have the ____ wiring to be reinspected at
the time of installation.
a. external
b. associated
c. internal
d. any of these
Article 90.7 Examination of Equipment for Safety pg. 24
Capable of being removed or exposed without damaging accessible (wiring methods)
the building structure or finish, or not permanently closed
in by the structure or finish of the building defines ____.
a. accessible(equipment)
b. accessible (wiring methods)
c. accessible, readily
d. a, b, and c
Article 100 pg. 26
A synthetic nonflammable insulating medium which, when askarel
decomposed by electric arcs, produces predominantly
nonflammable gaseous mixtures is known as _____.
a. oil
b. Geritol
c. askarel
d. phenol
Article 100pg. 26
The connection between the grounded (neutral) conductor main bonding
and the equipment grounding conductor at the service is
accomplished with the use of a _____jumper.
a. main bonding
b. bonding
c. equipment bonding
d. circuit bonding
Article 100 pg. 26
A branch circuit that supplies only one utilization individual
equipment is a(n) _____branch circuit
a. individual
b. general-purpose
c. isolated
d. special purpose
Article 100 pg 27
A circuit breaker is a device designed to _____ a circuit by open and close
non-automatic means and to open a circuit automatically
on a predetermined overcurrent without damage to itself
when properly applied within its rating
a. blow
b. disconnect
c. connect
d. open and close
Article 100 pg 27
A conductor encased within material of composition or covered
thickness that is not recognized by the code is called a
_____ conductor.
a. non-insulating
b. bare
c. covered
d. protected
Article 100 pg 27
2026_2027
Expert-Verified Questions and
Answers
(With A+ Grades Guarantee)
,The National Electrical Code is _____. for the practical safeguarding of persons and property
a. intended to be a design manual
b. meant to be used as an instruction guide for untrained
persons
c. for the practical safeguarding of persons and property
d. published by the Bureau of Standards
Article 90.1(A) Purpose pg. 22
Compliance with provisions of the Code will result in an electrical system free from hazard
_____.
a. good electrical service
b. an efficient electrical system
c. an electrical system free from hazard
d. all of these
Article 90-1(B) Purpose pg 22
The purpose of this Code is the practical safeguarding of all of these
persons and property from hazards arising from the use of
electricity. This Code contains provisions considered
necessary for safety regardless of _____.
a. efficient use
b. convenience
c. good service or future expansion
d. all of these
Article 90-1(B)Purpose pg. 22
The Code applies to the installation of _____. all these
a. electrical conductors and equipment within or on public
and private buildings
b. outside conductors and equipment on the premises
c. optical fiber cable
d. all these
Article 90.2(A) Covered pg. 22
The Code does not cover installations in ships, watercraft, True
railway rolling stock, aircraft, or automotive vehicles.
a. True
b. False
Article 90.2(B)(1) Not Covered pg 22
Installations of communications equipment under the are not
exclusive control of communications utilities located
outdoors or in building spaces used exclusively for such
installations _____ covered by the Code.
a. are
b. are sometimes
c. are not
d. might be
Article 90.2(B)(4) Not Covered pg. 22
Chapters 1 through 4 of the NEC apply _____. generally to all electrical installations
a. generally to all electrical installations
b. to special installations and conditions
c. to special equipment and material
d. all of these
Article 90.3 Code Arrangement pg 23
The authority having jurisdiction of enforcement of the all of the above
Code has the responsibility ____.
a. for making interpretations of the rules of the Code
b. for deciding upon the approval of equipment and
materials
c. for waving specific requirements in the Code and
allowing alternate methods and material if safety is
maintained
d. all of the above.
Article 90.4 Enforcement pg. 23
, Explanatory material, such as references to other False
standards, references to related Sections of the Code, or
information related to a Code rule is included in the Code
book in the form of a Fine Print Note (FPN)
a. True
b. False
Article 90.5(C) Explanatory Material pg 24
Equipment listed by a qualified electrical testing laboratory internal
is not required to have the ____ wiring to be reinspected at
the time of installation.
a. external
b. associated
c. internal
d. any of these
Article 90.7 Examination of Equipment for Safety pg. 24
Capable of being removed or exposed without damaging accessible (wiring methods)
the building structure or finish, or not permanently closed
in by the structure or finish of the building defines ____.
a. accessible(equipment)
b. accessible (wiring methods)
c. accessible, readily
d. a, b, and c
Article 100 pg. 26
A synthetic nonflammable insulating medium which, when askarel
decomposed by electric arcs, produces predominantly
nonflammable gaseous mixtures is known as _____.
a. oil
b. Geritol
c. askarel
d. phenol
Article 100pg. 26
The connection between the grounded (neutral) conductor main bonding
and the equipment grounding conductor at the service is
accomplished with the use of a _____jumper.
a. main bonding
b. bonding
c. equipment bonding
d. circuit bonding
Article 100 pg. 26
A branch circuit that supplies only one utilization individual
equipment is a(n) _____branch circuit
a. individual
b. general-purpose
c. isolated
d. special purpose
Article 100 pg 27
A circuit breaker is a device designed to _____ a circuit by open and close
non-automatic means and to open a circuit automatically
on a predetermined overcurrent without damage to itself
when properly applied within its rating
a. blow
b. disconnect
c. connect
d. open and close
Article 100 pg 27
A conductor encased within material of composition or covered
thickness that is not recognized by the code is called a
_____ conductor.
a. non-insulating
b. bare
c. covered
d. protected
Article 100 pg 27
