ELECTRICAL INSTALLATION UPDATED
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS
●● The conductors and equipment required or permitted by this code
shall be acceptable only if _____________.
Answer: Approved
●● In judging equipment for approval, considerations such as
_________ shall be evaluated.
Answer: mechanical strength, wire-bending space, and arcing effects (all
of these)
●● Listed or labeled equipment shall be installed and used in accordance
with any instructions included in the listing or labeling.
True or False
Answer: True
●● Product testing, evaluation, and listing (product certification) shall be
performed by ___________________.
Answer: recognized qualified electrical testing laboratories
,●● Where electrical conductor material is not specified, the material and
sizes given in the NEC shall apply to _________________ conductors.
Answer: copper
●● Conductor sizes are expressed in American Wire Gage (AWG) or
_____________.
Answer: circular mils
●● Wiring shall be installed so that the completed system will be free
from _____________, other than as required or permitted elsewhere in
the Code.
Answer: short circuits, ground faults, and connections to the earth (all of
these)
●● Unless identified for use in the operating environment, no conductors
or equipment shall be ____________________ having deteriorating
effect on the conductors or equipment.
Answer: located in damp or wet locations, exposed to fumes, vapors,
liquids, or gases, or exposed to excessive temperatures (all of these)
●● Some cleaning and lubricating compounds can cause severe
deterioration of many plastic materials used for insulating and structural
applications in equipment.
True or False
, Answer: True
●● Equipment not _________ for outdoor use or identified for indoor
use only such as "dry locations" or "indoor use only", shall be protected
against damage from the wether during construction.
Answer: identified
●● The NEC requires that electrical equipment shall be
___________________.
Answer: installed in a neat and workmanlike manner
●● Unused openings, other than those intended for the operation of
equipment, those intended for mounting purposes, or those permitted as
part of the design for listed equipment, shall be
____________________.
Answer: closed to afford protection substantially equivalent to the wall
of the equipment
●● Only wiring methods recognized as __________________ are
included in this Code.
Answer: suitable
●● Equipment intended to interrupt current at fault levels shall have an
interrupting rating at nominal circuit voltage at least equal to the current
that is available at the line terminals of the equipment.
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS
●● The conductors and equipment required or permitted by this code
shall be acceptable only if _____________.
Answer: Approved
●● In judging equipment for approval, considerations such as
_________ shall be evaluated.
Answer: mechanical strength, wire-bending space, and arcing effects (all
of these)
●● Listed or labeled equipment shall be installed and used in accordance
with any instructions included in the listing or labeling.
True or False
Answer: True
●● Product testing, evaluation, and listing (product certification) shall be
performed by ___________________.
Answer: recognized qualified electrical testing laboratories
,●● Where electrical conductor material is not specified, the material and
sizes given in the NEC shall apply to _________________ conductors.
Answer: copper
●● Conductor sizes are expressed in American Wire Gage (AWG) or
_____________.
Answer: circular mils
●● Wiring shall be installed so that the completed system will be free
from _____________, other than as required or permitted elsewhere in
the Code.
Answer: short circuits, ground faults, and connections to the earth (all of
these)
●● Unless identified for use in the operating environment, no conductors
or equipment shall be ____________________ having deteriorating
effect on the conductors or equipment.
Answer: located in damp or wet locations, exposed to fumes, vapors,
liquids, or gases, or exposed to excessive temperatures (all of these)
●● Some cleaning and lubricating compounds can cause severe
deterioration of many plastic materials used for insulating and structural
applications in equipment.
True or False
, Answer: True
●● Equipment not _________ for outdoor use or identified for indoor
use only such as "dry locations" or "indoor use only", shall be protected
against damage from the wether during construction.
Answer: identified
●● The NEC requires that electrical equipment shall be
___________________.
Answer: installed in a neat and workmanlike manner
●● Unused openings, other than those intended for the operation of
equipment, those intended for mounting purposes, or those permitted as
part of the design for listed equipment, shall be
____________________.
Answer: closed to afford protection substantially equivalent to the wall
of the equipment
●● Only wiring methods recognized as __________________ are
included in this Code.
Answer: suitable
●● Equipment intended to interrupt current at fault levels shall have an
interrupting rating at nominal circuit voltage at least equal to the current
that is available at the line terminals of the equipment.
