NEC 2017 JOURNEYMAN PREP
QUIZ
What is the allowable conductor ampacity based on the following
installation conditions? The raceways are mounted a roof mounted
support system and are at a height of 15 inches above the surface of
the roof. Average ambient expected temperature is 108°F. Size 600
kcmil copper conductors are being installed with type XHHW-2
insulation.
Select one:
A. 361 Amps
B. 337.25 Amps
C. 344.4 Amps
D. 413.25 Amps - ANSWERS-413.25 Amps
An outlet box for a recessed incandescent fixture shall be at least ___
ft. from the fixture if the branch-circuit conductors are not suitable for
the temperature.
Select one:
A. ½
B. 1
C. 2
D. 4 - ANSWERS-1
,For stationary motors of 2 hp or less and 300V or less on ac circuits,
the controller can be an ac-rated only general-use snap switch where
the motor full-load current rating is not more than ________ percent
of the rating of the switch.
Select one:
A. 50
B. 60
C. 70
D. 80 - ANSWERS-80
A motor disconnecting means can be a ________.
Select one:
A. listed molded case circuit breaker
B. listed motor-circuit switch rated in horsepower
C. listed molded case switch
D. any of these - ANSWERS-any of these
The rating of the branch-circuit, short-circuit and ground-fault
protection device for an individual motor-compressor shall not exceed
_____ percent of the rated-load current or branch-circuit selection
current, whichever is greater, if the protection device will carry the
starting current of the motor:
Select one:
A. 100
B. 125
C. 175
,D. none of these - ANSWERS-175
In a health care facility, branch circuits in general care areas, serving
__________shall not be part of a multiwire branch circuit.
Select one:
A. transformers
B. x ray machines
C. vending machines
D. patient bed locations - ANSWERS-patient bed locations
Luminaires installed in Class II, Division 1 locations shall be
identified for Class II locations and shall be clearly marked to indicate
the ____.
Select one:
A. type and maximum wattage of lamps for which the luminaire is
designed
B. minimum conductor size
C. maximum overcurrent protection permitted
D. all of these - ANSWERS-type and maximum wattage of lamps for
which the luminaire is designed
Luminaires for fixed lighting in Class III shall have enclosures for
lamps and lampholders that are designed to prevent the escape of
____.
Select one:
A. sparks
, B. burning material
C. hot metal
D. all of these - ANSWERS-all of these
Underground wiring to motor fuel dispensers shall be installed in
____.
Select one:
A. threaded rigid metal conduit
B. threaded steel IMC
C. PVC conduit when buried under not less than 2 ft of cover
D. any of these - ANSWERS-any of these
Each general care area patient bed location shall be provided with a
minimum of _____ receptacle(s), which can be single, duplex, or a
combination with each duplex counting as two receptacles.
Select one:
A. two
B. four
C. six
D. eight - ANSWERS-eight
Which of the following wiring methods are permitted in an assembly
occupancy of fire-rated construction?
Select one:
A. Metal raceways
QUIZ
What is the allowable conductor ampacity based on the following
installation conditions? The raceways are mounted a roof mounted
support system and are at a height of 15 inches above the surface of
the roof. Average ambient expected temperature is 108°F. Size 600
kcmil copper conductors are being installed with type XHHW-2
insulation.
Select one:
A. 361 Amps
B. 337.25 Amps
C. 344.4 Amps
D. 413.25 Amps - ANSWERS-413.25 Amps
An outlet box for a recessed incandescent fixture shall be at least ___
ft. from the fixture if the branch-circuit conductors are not suitable for
the temperature.
Select one:
A. ½
B. 1
C. 2
D. 4 - ANSWERS-1
,For stationary motors of 2 hp or less and 300V or less on ac circuits,
the controller can be an ac-rated only general-use snap switch where
the motor full-load current rating is not more than ________ percent
of the rating of the switch.
Select one:
A. 50
B. 60
C. 70
D. 80 - ANSWERS-80
A motor disconnecting means can be a ________.
Select one:
A. listed molded case circuit breaker
B. listed motor-circuit switch rated in horsepower
C. listed molded case switch
D. any of these - ANSWERS-any of these
The rating of the branch-circuit, short-circuit and ground-fault
protection device for an individual motor-compressor shall not exceed
_____ percent of the rated-load current or branch-circuit selection
current, whichever is greater, if the protection device will carry the
starting current of the motor:
Select one:
A. 100
B. 125
C. 175
,D. none of these - ANSWERS-175
In a health care facility, branch circuits in general care areas, serving
__________shall not be part of a multiwire branch circuit.
Select one:
A. transformers
B. x ray machines
C. vending machines
D. patient bed locations - ANSWERS-patient bed locations
Luminaires installed in Class II, Division 1 locations shall be
identified for Class II locations and shall be clearly marked to indicate
the ____.
Select one:
A. type and maximum wattage of lamps for which the luminaire is
designed
B. minimum conductor size
C. maximum overcurrent protection permitted
D. all of these - ANSWERS-type and maximum wattage of lamps for
which the luminaire is designed
Luminaires for fixed lighting in Class III shall have enclosures for
lamps and lampholders that are designed to prevent the escape of
____.
Select one:
A. sparks
, B. burning material
C. hot metal
D. all of these - ANSWERS-all of these
Underground wiring to motor fuel dispensers shall be installed in
____.
Select one:
A. threaded rigid metal conduit
B. threaded steel IMC
C. PVC conduit when buried under not less than 2 ft of cover
D. any of these - ANSWERS-any of these
Each general care area patient bed location shall be provided with a
minimum of _____ receptacle(s), which can be single, duplex, or a
combination with each duplex counting as two receptacles.
Select one:
A. two
B. four
C. six
D. eight - ANSWERS-eight
Which of the following wiring methods are permitted in an assembly
occupancy of fire-rated construction?
Select one:
A. Metal raceways
