Exam (elaborations)
MASTER ELECTRICIAN L QUESTIONS AND ANSWERS
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MASTER ELECTRICIAN L QUESTIONS AND ANSWERS
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MASTER ELECTRICIAN L QUESTIONS AND ANSWERSAn insulated grounding conductor of_____ or smaller shall be identified by a contiguous
white or gray outer finish or by three continuous stripes other than green insulation it's
entire length - Answers -8 AWG 200.6a
6" 210.6a - Answers -Equipment associated with the electrical installation can be
located above or below other equipment within their working space when the associated
equipment does not extend more than_____ from the front of the electrical equipment.
1 NYC 210.52 - Answers -How many receptacles are required within the perimeter of a
balcony deck or porch with a usable area of last and 20 ft.²
6 1/2 ' - Answers -The minimum headroom of working spaces about motor control
centers is _____ .
30 " / 6 1/2'. NYC 110.33 - Answers -At least one entrance to enclosures for electrical
installations shall not be less than _____ wide and _____ high shall be provided to give
access to the working space around your school equipment over 600 V nominal.
12'. 230.24b - Answers -What is the minimum height for a vertical overhead clearance
for a service drop conductor over a residential property and driveways with garage not
subject to truck traffic where a voltage does not exceed 300 V to ground.
4" 225.14 - Answers -Open conductors installed outside shall be separated from open
conductors of all the circuits or systems by not less than _____ .
8" NYC 450.42 - Answers -What is the minimum thickness of a transformer vault floor
made up with bricks or cement fill blocks ?
12 300.50 table note D - Answers -Underground service conductors that are not in case
in concrete and then I'll bury 30 inches or more below grade so I have their location
identified by a warning ribbon that is placed in the trench at least_____ inches above
the underground installation for 40 KV
125%. 430.22a - Answers -Branch circuit conductor that supply a single motor used in a
continuous duty application shall have an ampacity of not less than _____ percent of
the motors full load current
48 times. 314.71a - Answers -For Straight pulls , the length of a pull box shall not be
less than_____ Times the outside diameter,over the sheath, of the largest shielded or
lead covered conductor or cable entering the box on systems over 600 V
36 inches 408.18 - Answers -For switchboards that are not totally enclosed ,a space
of_____ or more shall be provided between toe top of the switchboard and any
combustible ceiling.
, 115%. 440.12 - Answers -A disconnecting means that serves a hermetic refrigerant
motor compressor , shall have an amp hour rating of at least_____ percent of the
nameplate rated load current or branch circuit selection current , which ever is greater
Shall Not be opened under load/ Isolating switches. 404.6/404.13 - Answers -Knife
switches rated for more than 1200 A at 250 V or less , and that over 600 A at 251 to 600
V , shall be used only as
CL2 and CL3. 725.179 - Answers -Class two and class three cables listed as suitable
for general purpose use , with the exception of risers ducts, plenums ,and other spaces
used for environmental air shall be type_____
3 inches. 410.68 - Answers -Branch circuit conductors within______ Of a ballast shall
have an insulation temperature rating not lower than 90°C or 194°F
#14 AWG. 800.100 - Answers -Communications circuits so I have a minimum grounding
conductor of______
Not allowed in NYC (because of EMT, otherwise 7'6"). 680.43b - Answers -When
mounting a light fixture supported by EMT over a hot tub protected by GFCI must have
a height of_____
6'. 680.22. 680.34 - Answers -When installing receptacles around the pool they should
be set back on the inside walls of not less than______
12 314.17( chart ) - Answers -How many number 10 conductors can be legally installed
in a 4 in. Square box 2 1/8 inch deep?
Separate branch circuit/ GFCI line side. 620.23. 620.24 - Answers -what kind of circuit
must the sump pump and lights in the elevator pit be connected to?
Copper insulated solid or stranded. NYC 800.100 (a)3 - Answers -When using a
grounding conductor it should not be smaller than #12 ______
5/7 NYC 110.2b 230.64 b - Answers -Where service equipment totaling 1000 kVA or
larger is installed separately or as part of a switchboard the room in which such
switchboard is located shall be constructed of non-combustible materials having a two
hour fire rating and should be of dimensions adequate to house the switchboard and to
provide the following minimum clearances. At least_____ feet in front of the switchboard
if is in one line and at least_____ feet in front of the board if boards are installed facing
each other.
12. 230.64 - Answers -Where service equipment totaling 1000 kVA or larger is installed
separately or as part of a switchboard the room in which such switchboard is located
shall be constructed of non-combustible materials having a two hour fire rating as
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