ELECTRICAL JOURNEYMAN TEST
STUDY GUIDE BRAND NEW OFFICIAL
QUESTIONS WITH ANSWERS.
A transformer supplying power to a fire water pump, shall require
overcurrent protection for the - correct answer -Primary
A high impedance, grounded neutral system, is permitted for (3-
phase) voltages of - correct answer -480V to 1,000V
Plgs used to firmly install electrical equipment into masonry,
plaster, or similar materials, shall not be made of - correct answer
-Wood
The nominal GFCI trip rating ir - correct answer -5ma
Festoon lighting spans exceeding how many feet, shall be
supported how - correct answer -Over 40 ft festoon spans must
be supported by a messenger wire (cable)
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Conductors between the final overcurrent device and the outlet(s)
are what type of circuit - correct answer -Branch Circuit
Conduit must be fastened within what distance of junction and
outlet boxes - correct answer -3 ft
Permits for electrical repairs are required if the value exceeds -
correct answer -$100
A circuit is supplied by a source not more than 1,000 va and not
more than 30 volts is a - correct answer -Class 1 Power Limited
Circuit
Neon lighting over 1,000 volts is not to be installed in or on -
correct answer -Dwellings
Bulk storage tanks, such as gasoline service stations, are
classified as what location - correct answer -Class I
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Commercial circuits that supply signs and outline lighting shall be
at least ____ amperes and supply ____ - correct answer -20A
and supply no other load
Service entrance conductors must be supported within ____" of
the service panel - correct answer -12"
Is UF, NM, or NMS approved to be used as a service entrance
cable - correct answer -No
An outlet to service roof top A/C equipment, shall be installed
within - correct answer -25 ft
A single throw knife switch, must be installed so the contacts will
not be closed if pulled by - correct answer -Gravity
A commercial garage without ventilation, the space between 18"
above the floor is - correct answer -Class I, Division 2
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A grounding electrode conductor, is a conductor that connects a
"grounded circuit" to a grounding ____ - correct answer -
Electrode
The minimum length and size for a ground ring is - correct answer
-20 ft and #2 AWG
Electrical resistive space heating element, what is the maximum
current and the maximum OCPD - correct answer -48A maximum
current and 60A OCPS
Surge Protective Devices (SPDs) shall be connected to line and
grounding conductors no smaller than - correct answer -#14
copper or #12 aluminum
A manufactured or mobile home power supply cord, the
grounding conductor is identified with what color - correct answer
-Green