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Master Electrician Exam Review Graded A+ 2024
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Master Electrician Exam Review Graded A+ 2024
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Master Electrician Exam Review GradedA+ 2024
#4 cooper & #2 Aluminum - ANS-What is the minimum size Service Conductor allowed
for a dwelling unit
0.001 inch - ANS-One circular mil is the area of a circle whose diameter is:
0.622" - ANS-The internal diameter of 1/2"EMT is:
1 - ANS-At least_____ 125 V, single phase, 15 A or 20 A, duplex with ground-fault
circuit interrupter receptacle shall be provided in each elevator machine room and
elevator machinery space.
1 1/2" - ANS-Flat:top underfloor raceways over 4 inches, but less 8 inches wide, with a
minimum 1 inch spacing between raceways, shall be covered with concrete to a depth
of not iess than 1 inch. Raceways spaced less that 1 inch apart shall be covered with a
concrete to a depth of
1,000,000 cm - ANS-A round bus-bar one inch in diameter, has a circular mil area of:
1.5" - ANS-The outside diameter of a threaded rigid conduit is measured to be about
two Inches. The nominal trade size is:
10 AWG Copper - ANS-Service Lateral conductors that supply power to limited loads of
a single branch circuit-such as a small polyphase power, controlled water heaters, and
similar loads-shall not be smaller than
10 feet - ANS-Nonmetallic cables can enter the top of surface-mounted cabinets, cutout
boxes, and meter socket enclosures through nonflexible raceways not less than 18 in.
or more than ______ft in length if all of the required conditions are met.
10 feet above grade level - ANS-Open conductors which are not service entrance
cables shall not be installed less than which of the following
10.4 - ANS-The specific resistance of copper wire @ 20° C in ohms per circular mil ft. is
10' - ANS-Lighting systems operating at 30V or less shall not be·installed
within_______of pools, spas, fountains, or similar locatipns
1000A - ANS-Ground fault protection of equipment shall be provided for solidly
grounded wye electrical services of more than 150 volts-to-ground, but not exceeding
600V phase-to-phase for each service
disconnecting means rated __________
, 1000A - ANS-Ground-fault protection of equipment shall be provided fro solidly
grounded wye electrical services of more than 150 volts-to-ground, but not exceeding
600V phase-to..phase for each service disconnecting means rated
115% - ANS-A disconnecting means that serves a hermetic refrigerant motor
compressor shall have an ampere rating of at least percent of the nameplate rated load
current or branch circuit selection current, whichever is greater.
116 Conductors - ANS-What is the Max number of #6 THHN current carrying
conductors in 4" EMT for general use is
12 - ANS-How many # 10 conductors can be legally installed in a 4 inch square box, 2
1/8 deep?
12 /40 - ANS-Where communications wires and cables and electric light or power
conductors are supported by the same pole and are run paralled to each other in span ,
the·supply service drops of 0-750 volts running above and parallel to communications
service drops shall have a minimum separation of _______inches at any point in the
span, including the point of and at their attachment to the building, provided the
nongrounded conductors are insulated and that a clearance of not less than_______
inches is maintained between the two services at the pole
12 AWG - ANS-Communications circuits shall have a minimum grounding conductor of
_____AWG
12 feet - ANS-The verticaI clearance from ground level over a residential driveway for
overhead service conductors not subject to truck traffic and are less than 300 volts to
ground shall be _____ ft:
12" - ANS-For cord and plug connected electric vehicle supply equipment is used, the
interrupting device of a
listed personnel protection system shall be provided and shall be located in the power
supply cable not more than ______from the attachment plug.
12" - ANS-Underground service conductors that are not encased in concrete and that
are buried 30 inches or more below grade, shall have their location identified by a
warning ribbon that is placed in the trench at least_______inches above the
underground installation for 40KV
1200 Amperes - ANS-19. When an equipment room houses electrical equipment rated
at LEAST _____or more, the personnel doors intended for entrance to and egress from
the working space, shall open in the direction of egress.
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