Spring 2024 Final IEC
Tamper-resistant receptacles are not required in ___. - answer correctional facilities
A plug with a two-foot-long cord is permitted for a ___. - answer waste disposer
Plug-in-type overcurrent protection devices or plug-in type main lug assemblies that are
___ and used to terminate field-installed ungrounded supply conductors shall be
secured in place by an additional fastener that requires other than a pull to release the
device from the mounting means on the panel. - answerback fed
Panelboards equipped with snap switches rated ___ amperes or less shall have
overcurrent protection of 200 amperes or less. - answer30
The minumum clearance between a surface mounted fluorescent luminaire installed on
the wall above the door and the nearest point of a storage space in a clothes closet is
___. - answer6 inches
A recessed luminaire that is not identified for contact with insulation shall have all
recessed parts spaced not less than ___ from combustible materials. - answer1/2"
In which location is lighting track permitted? - answer4 feet above the floor operating on
24 volts.
A snap switch shall not be grouped or ganged in enclosures with other snap switches,
receptacles or similiar devices, unless they are arranged so that the voltage between
adjacent devices does not exceed ___, or unless they are installed in enclosures
equipped with identified, securely installed barriers between adjacent devices. -
answer300 volts
Three-way and four-way switches shall be wired so that all switching is done only in the
___ conductors. - answerungrounded
In general, flexible cords are not permitted in which application? - answerattached to
building surfaces
What is the allowable ampacity for 18 AWG fixture wire? - answer6 amperes
A non-grounding-type receptacle(s) shall be permitted to be replaced with a ground-fault
interupter-type of receptacle(s). These receptacles or their cover plates shall be marked
___. - answerCaution: No Grounding Means (correct would be No equipment means
being checked)
, Typical building construction utilizes concrete for ___ and foundations. - answerall of
these
Cement is a principal ingredient of concrete. Allowing wet concrete to touch your skin is
___. - answerhazardous
If you are working with wet cement products, you must wear ___. - answerI, II and III
When pieces of rebar protrude from concrete, these must be guarded to prevent
workers from being impaled upon them. Acceptable methods of guarding include
capping the rebar with ___. - answerlarge orange caps with steel inserts
You should not use scaffolding erected by other trades unless it has been inspected by
a competent person. - answerTrue
Working around concrete mixer trucks can be dangerous when ___. - answereither a or
b
When sizing the branch-circuit short-circuit and ground-fault protection for a three-phase
AC motor, you would use Table ___. - answer430.250
Conductors that supply a single motor used in a continuous duty application shall have
an ampacity of ___% of the motor FLA. - answer125
The conductors for a 30-minute-rated motor, used for intermittent duty, are permited to
have a rating ___% of the motor nameplate current rating. - answer90
For a hermetic refrigerant motor-compressor, the ampere rating of the disconnect shall
be ___% of the nameplate rating or the branch circuit selection current, whichever is
greater. - answer115
Overcurrent protection for generators is found in ___. - answer445.12
The walls and roofs of transformer vaults shall have a fire rating of ___ hours. - answer3
The minimum height of the door sill for a transformer vault is ___ inches. -
answer(wrong)
For one-family or two-family dwellings, a disconnecting means or its remote control for a
stationary battery system shall be located at a(n) ___ location outside the building. -
answerreadily accessible
A non-permit confined space does not contain any hazard capable of causing ___. -
answereither I or II
Tamper-resistant receptacles are not required in ___. - answer correctional facilities
A plug with a two-foot-long cord is permitted for a ___. - answer waste disposer
Plug-in-type overcurrent protection devices or plug-in type main lug assemblies that are
___ and used to terminate field-installed ungrounded supply conductors shall be
secured in place by an additional fastener that requires other than a pull to release the
device from the mounting means on the panel. - answerback fed
Panelboards equipped with snap switches rated ___ amperes or less shall have
overcurrent protection of 200 amperes or less. - answer30
The minumum clearance between a surface mounted fluorescent luminaire installed on
the wall above the door and the nearest point of a storage space in a clothes closet is
___. - answer6 inches
A recessed luminaire that is not identified for contact with insulation shall have all
recessed parts spaced not less than ___ from combustible materials. - answer1/2"
In which location is lighting track permitted? - answer4 feet above the floor operating on
24 volts.
A snap switch shall not be grouped or ganged in enclosures with other snap switches,
receptacles or similiar devices, unless they are arranged so that the voltage between
adjacent devices does not exceed ___, or unless they are installed in enclosures
equipped with identified, securely installed barriers between adjacent devices. -
answer300 volts
Three-way and four-way switches shall be wired so that all switching is done only in the
___ conductors. - answerungrounded
In general, flexible cords are not permitted in which application? - answerattached to
building surfaces
What is the allowable ampacity for 18 AWG fixture wire? - answer6 amperes
A non-grounding-type receptacle(s) shall be permitted to be replaced with a ground-fault
interupter-type of receptacle(s). These receptacles or their cover plates shall be marked
___. - answerCaution: No Grounding Means (correct would be No equipment means
being checked)
, Typical building construction utilizes concrete for ___ and foundations. - answerall of
these
Cement is a principal ingredient of concrete. Allowing wet concrete to touch your skin is
___. - answerhazardous
If you are working with wet cement products, you must wear ___. - answerI, II and III
When pieces of rebar protrude from concrete, these must be guarded to prevent
workers from being impaled upon them. Acceptable methods of guarding include
capping the rebar with ___. - answerlarge orange caps with steel inserts
You should not use scaffolding erected by other trades unless it has been inspected by
a competent person. - answerTrue
Working around concrete mixer trucks can be dangerous when ___. - answereither a or
b
When sizing the branch-circuit short-circuit and ground-fault protection for a three-phase
AC motor, you would use Table ___. - answer430.250
Conductors that supply a single motor used in a continuous duty application shall have
an ampacity of ___% of the motor FLA. - answer125
The conductors for a 30-minute-rated motor, used for intermittent duty, are permited to
have a rating ___% of the motor nameplate current rating. - answer90
For a hermetic refrigerant motor-compressor, the ampere rating of the disconnect shall
be ___% of the nameplate rating or the branch circuit selection current, whichever is
greater. - answer115
Overcurrent protection for generators is found in ___. - answer445.12
The walls and roofs of transformer vaults shall have a fire rating of ___ hours. - answer3
The minimum height of the door sill for a transformer vault is ___ inches. -
answer(wrong)
For one-family or two-family dwellings, a disconnecting means or its remote control for a
stationary battery system shall be located at a(n) ___ location outside the building. -
answerreadily accessible
A non-permit confined space does not contain any hazard capable of causing ___. -
answereither I or II
