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Journeyman Electrician Practice Exam Questions with Accurate Answers 2024
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Journeyman Electrician Practice Exam
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Journeyman Electrician Practice ExamConductors that supply a single motor used in a continuous duty application shall have
an ampacity of not less that what percentage of the motor full-load current rating? -
answer1.25
EMT shall not be: - answer Threaded
Plug fuses shall be permitted to be used in circuits supplied by a system having
grounded neutral point where the line-to-neutral voltage doe NOT exceed which of the
following? - answer150 volts
How many amperes does s a 3-hp, 240-volt, 3-phase motor draw if the motor has
values of 90% efficiency and 95% power factor? - answer6.3 amperes
Where metallic plugs or plated used with nonmetallic enclosures, how far shall they be
recessed form the outer surface of the enclosure - answer1/4"
Disregarding exceptions, what is the minimum size copper-clad aluminum underground
service conductor permitted? - answer6 AWG
Information technology equipment shall be permitted to be connected to a branch circuit
by a power-supply cord with a maximum length of how many feet? - answer15'
Unlisted nonconductive outside plant optical fiber cables shall not be permitted to be
installed in which type of raceways? - answerFlexible metal conduit
Which part of a bulk storage plant is classified as Class 2, Zone 2? - answerDrainage
ditches, separators and impounding basins
If installed and routed on the outside of a raceway, the length of the equipment bonding
jumper shall not exceed how many feet? - answer6'
A circuit breaker does not have an interrupter rating shown on it. What is the interrupter
rating of this circuit breaker? - answer5,000 amperes
What is the minimum size of the aluminum equipment grounding conductor where the
overcurrent protection ahead of a branch circuit or feeder is sized at 600 amperes? -
answer36557
The combined cross sectional area of all conductors or cables shall not exceed what
percent of the cross sectional are of the cell or header? - answer0.4
, Power distribution blocks installed in boxes shall be - answerListed
For permanently connected appliances, the branch-circuit overcurrent device shall be
permitted to serve as the disconnecting means for appliances rated at not over -
answer300 volt-amperes or 1/8hp
A metal underground water pipe used as grounding electrode shall be in direct contact
with the earth for a minimum of how many feet? - answer10'
What is the minimum rating for a standard lampholder that shall be used for circuits and
equipment operating at less than 50 volts? - answer660 watts
What is the minimum branch-circuit rating for ranges of 8-3/4 kW or more? - answer40
amperes
Receptacles in residential units shall be installed such that no point measured
horizontally along the floor line of any wall space is more than how far from a receptacle
outlet? - answer6'
Overcurrent protection for feeders and branch circuits supplying electric vehicle supply
equipment shall be sized for continuous duty and shall have a rating of not less than
what percentage of the maximum load of the electric vehicle supply equipment? -
answer1.25
What clearance must be maintained when the overhead spans of open conductors or
open multi-conductor cables of not over 1,000 volts, nominal, pass over residential
property? - answer12'
Multiple nonmotor generator arc welders are being served by a branch panel. There are
two 120-amperes welders with a 70% duty cycle, one 90-amperes welder with a 80%
duty cycle - answer450 amperes
Which type of service-entrance cable has a flame-resistant and moisture resistant
covering? - answerType SE
Exit signs, when required, shall have a lettering that is a minimum of how many inches
high? - answer6"
High impedance grounded neutral systems in which a grounding impedance limits the
ground fault current to a low value shall be permitted for which type of system? -
answer3-phase AC systems of 480 to 1,000 volts
In which locations are the installations of flexible metal conduit permitted? -
answerconcealed locations
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