1
Master Electrician License Questions with
Correct Answers | Updated (100% Correct
Answers)
If the cover for an underground pull box used for circuits over 600v
is not locked, bolted, or screwed into place, then it must weigh
equal to— Answer: 100 pounds
The maximum total voltage droop on a branch circuit is— Answer:
3%
the floors of vaults in contact with the earth shall be of concrete
that is not less then— Answer: 6 inches thick
according to the NEC bare live parts are guarded from the public in
the following methods except— Answer: protected by fireproof
curtain
equipment associated with the electrical installation can be located
above or below other electrical equipment within their working
space when the associated equipment dose not extend more then—
Answer: 6inches
when the code uses the words it means the identified actions are
allowed but not required, and may be optional— Answer: shall be
permitted
© 2025 All rights reserved
,2
a 120 volt 15-20 amp receptacle shall be located with in of air
conditioning and refrigeration, heating systems— Answer: 25 feet
in the NEC the words . indicate a mandatory requirement— Answer:
shall not or shall be permitted
as per New York city code in addition to the number of circuits
required in a dwelling unit an individual branch circuit shall be
provided for each receptacle— Answer: air conditioner
the dimensions of working space for access to live parts operating
at 300 volts normally to ground where exposed to live parts on
both sides of the workspace is— Answer: 4 feet
when leads are supplied with lampholders with lamp holders the
conductor attached to the screw shell shall have a finish— Answer:
white or gray
how many receptacles are required within the perimeter of the
balcony, deck or porch with the useable . area of 20 sq ft— Answer:
one
where conductors of different systems are installed in the same
raceway, one system shall have a neutral having an outer covering
of white or gray and each other system having a neutral shall have
another covering of— Answer: white with a color stripe other than
green
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, 3
outlets may be installed in a dwelling unit for specific appliance
such as laundry equipment. the maximum distance between this
outlet and appliance— Answer: 6 feet
on a 4 wire delta system where the midpoint of one phase winding
is grounded only the conductor shall have a higher phase voltage to
ground. the conductor shall be marked— Answer: orange
where this code specifies that one equipment shall be ''in sight
from'' ''within sight from'' or ''within sight of'',and so forth, another
equipment, the specified equipment is to be visible and not more
than distance from the other— Answer: 50 feet
a door used by personnel to exit the work space that is less than 25
feet from the work space shall— Answer: swing outward with
simple ease
the authority having jurisdiction has the responsibility— Answer: for
making interpretations of rules
where rear access is required to work on de-energized parts on the
back of enclosed equipment a minimum working space of
horizontally shall be provided— Answer: 36 inches
for equipment rated at 1200 amps or more and over 6 feet wide
that contains overcurrent devices, switching devices, or control
devices. there shall be one entrance to and egress from the required
© 2025 All rights reserved
Master Electrician License Questions with
Correct Answers | Updated (100% Correct
Answers)
If the cover for an underground pull box used for circuits over 600v
is not locked, bolted, or screwed into place, then it must weigh
equal to— Answer: 100 pounds
The maximum total voltage droop on a branch circuit is— Answer:
3%
the floors of vaults in contact with the earth shall be of concrete
that is not less then— Answer: 6 inches thick
according to the NEC bare live parts are guarded from the public in
the following methods except— Answer: protected by fireproof
curtain
equipment associated with the electrical installation can be located
above or below other electrical equipment within their working
space when the associated equipment dose not extend more then—
Answer: 6inches
when the code uses the words it means the identified actions are
allowed but not required, and may be optional— Answer: shall be
permitted
© 2025 All rights reserved
,2
a 120 volt 15-20 amp receptacle shall be located with in of air
conditioning and refrigeration, heating systems— Answer: 25 feet
in the NEC the words . indicate a mandatory requirement— Answer:
shall not or shall be permitted
as per New York city code in addition to the number of circuits
required in a dwelling unit an individual branch circuit shall be
provided for each receptacle— Answer: air conditioner
the dimensions of working space for access to live parts operating
at 300 volts normally to ground where exposed to live parts on
both sides of the workspace is— Answer: 4 feet
when leads are supplied with lampholders with lamp holders the
conductor attached to the screw shell shall have a finish— Answer:
white or gray
how many receptacles are required within the perimeter of the
balcony, deck or porch with the useable . area of 20 sq ft— Answer:
one
where conductors of different systems are installed in the same
raceway, one system shall have a neutral having an outer covering
of white or gray and each other system having a neutral shall have
another covering of— Answer: white with a color stripe other than
green
© 2025 All rights reserved
, 3
outlets may be installed in a dwelling unit for specific appliance
such as laundry equipment. the maximum distance between this
outlet and appliance— Answer: 6 feet
on a 4 wire delta system where the midpoint of one phase winding
is grounded only the conductor shall have a higher phase voltage to
ground. the conductor shall be marked— Answer: orange
where this code specifies that one equipment shall be ''in sight
from'' ''within sight from'' or ''within sight of'',and so forth, another
equipment, the specified equipment is to be visible and not more
than distance from the other— Answer: 50 feet
a door used by personnel to exit the work space that is less than 25
feet from the work space shall— Answer: swing outward with
simple ease
the authority having jurisdiction has the responsibility— Answer: for
making interpretations of rules
where rear access is required to work on de-energized parts on the
back of enclosed equipment a minimum working space of
horizontally shall be provided— Answer: 36 inches
for equipment rated at 1200 amps or more and over 6 feet wide
that contains overcurrent devices, switching devices, or control
devices. there shall be one entrance to and egress from the required
© 2025 All rights reserved
