Electrical License test prep UPDATED ACTUAL Questions and
CORRECT Answers
Question: 1. The Authority having jurisdiction has the responsibility ____________. A. for making
interpretations of rules B. for waiving specific requirements in the Code permitting alternate methods and
material if safety is maintained. C. for deciding upon the approval of equipment D. All of the above
Correct Answer: D
Question: 2. When the code uses the words "_______" it means the identified actions are allowed but not
required, and they may be options or alternative methods. A. Shall B. Shall not C. Shall be permitted D. A
or B
Correct Answer: C
Question: 3. In the NEC, the words "_________" indicate a mandatory requirement. A. Shall B. Shall not
C. Shall be permitted D. A or B
Correct Answer: D
Question: 4. The dimensions of working space for access to live parts operating at 300V, nominal to
ground, where there are exposed live parts on both sides of the workspace is________. A. 3 ft B. 3 ft C. 4 ft
D. 4 ft
Correct Answer: C
Question: 5. The working space in front of the electric equipment shall not be less than ________ wide, or
the width of the equipment, whichever is greater. A. 15 in B. 30 in C. 40 in D. 60 in
Correct Answer: B
Question: 6. Equipment associated with the electrical installation can be located above or below other
electrical equipment within their working space when the associated equipment does not extend more than
_________ from the front of the electrical equipment. A. 3 in B. 6 in C. 12 in D. 30 in
Correct Answer: B
Question: 7. For equipment rated 1200 amps or more and over 6ft wide that contains overcurrent devices,
switching devices, or control devices, there shall be one entrance to and egress from the required working
space not less than 24 inches. wide _______ and high at each end of the working space. A. 5 ft 6 inches B. 6
ft C. 6 ft 6 inches D. Any if the above
Correct Answer: C
Question: 8. According to the NEC, bare live parts are guarded from the public in the following methods
except? A. By elevation of 8 ft B. By location on a suitable balcony, gallery, or platform C. By suitable
permanent, substantial partitions D. Protected by fireproof curtain
Correct Answer: D
Question: 9. To guard live parts over 50V but less than 600V, equipment is permitted to be________. A.
Located in a room only accessible to qualified persons B. Located on a balcony accessible only to qualified
persons C. Elvated 8 ft or more above floor or other working surface D. Any of these
Correct Answer: D
,Question: 10. 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 _________ distant from the other. A. 5 ft B. 25 ft C. 50 ft D. 100 ft
Correct Answer: C
Question: 11. On a 4-Wire, delta-connected system where the midpoint of one phase winding is grounded,
only the conductor or busbar having the higher phase voltage to ground shall be durably and permanently
marked by an outer fishin that is ________ in color or by other effective means. Such identification shall be
placed at each point on the system where a connection is made if the grounded conductor is also present. A.
Red B. Orange C. Green D. Black
Correct Answer: B
Question: 12. The required working space for access to live parts operating at 300 volts to ground, where
there are exposed live parts on one side and grounded parts on the other side is_______. A. 3 ft B. 3 ft C. 4
ft D. 4 ft
Correct Answer: B
Question: 13. In locations where electrical equipment is likely to be exposed to _________enclosures or
guards shall be so arranged and of such strength as to prevent such damage. A. Corrosion B. Physical
damage C. Magnetic fields D. Weather
Correct Answer: B
Question: 14. Which of the following are not permitted for the protection of equipment in electrical vaults?
A. Reinforced concrete roof with a 3 Hour Rating B. Reinforced concrete wall with a 3 hour rating C. An
automatic halon or cardon dioxide fire suppression system D. Stud walls covering wallboard having a 3
hour rating
Correct Answer: D
Question: 15. The floors of vaults in contact with the earth shall be of concrete that is not less than
________thick, but where the vault is constructed with a vacant space or other stories below it, the floor
shall have adequate structural strength for the load imposed on it and a minimum fire resistance of 3 hours.
A. 3 inches B. 6 inches C. 12 inches D. 18 inches
Correct Answer: B
Question: 16. If the cover for an underground pull box used for circuits over 600 volts is not locked, bolted,
or screwed into place, then it must weigh equal to which of the following
Correct Answer: A. 25 lbs. B. 50 lbs. C. 100 lbs. D. 101 Ibs.: D
Question: 17. A door used by personnel to exit the work space that is less than 25 feet from the working
space shall _________. A. swing outward but remain locked B. swing inward and be locked C. swing
outward with simple pressure. D. swing inward with simple pressure
Correct Answer: C
Question: 18. 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. A. 24 inches B. 30
inches C. 36 inches D. 48 inches
Correct Answer: C
Question: 19. Access openings in a manholes shall be not less than ________ A. 20" B. 24" C. 26" D. 36"
,Correct Answer: C
Question: 20. Manhole openings for personnel shall be located where they are not directly above electrical
equipment or conductors in the enclosure. Where this is not practicable, ____________. A. a protective
barrier or a fixed ladder shall be provided B. A locking system is provided for protection C. Covers shall be
under (100 lb) D. Grip pads are used to prevent slipping
Correct Answer: A
Question: 21. An insulated grounded conductor of ______ or smaller shall be identified by a continuous
white or gray outer finish, or by three continuous white stripes on other than green insulation along its entire
length. A. 8 AWG B. 6 AWG C. 4 AWG D. 3 AWG
Correct Answer: B
Question: 22. Where conductors of different systems are installed in the same raceway, one system shall
have a neutral having an outer covering of white or natural gray and each other system having a neutral
shall have another covering of_______. A. White or natural gray B. White with green stripe C. White with
colored stripe other than green or distinguished by other suitable means D. Blue
Correct Answer: C
Question: 23. When leads are supplied with lampholders the conductor attached to the screw shell shall
have a _______ finish. A. White or gray B. Green or green with yellow stripes C. Any color D. Pango pink
or other light color
Correct Answer: A
Question: 24. Two or more _______ small-appliance branch circuits shall be provided to supply power for
receptacle outlets in the dwelling unit kitchen, dining room, breakfast room, pantry, or similar dining areas
A. 15 amp B. 20 amp C. 30 amp D. Either 20 amp or 30 amp
Correct Answer: B
Question: 25. There shall be a minimum of one ________ branch circuit for laundry outlets required by
210.52. A. 15 A B. 20 A C. 30 A D. B and C
Correct Answer: B
Question: 26. As per New York City NEC in addition to the number of branch circuits required in a
dwelling unit an individual branch circuit shall be provided for each _________ receptacle. A. GFCI B. Arc
fault C. Air conditioner D. Refrigerator
Correct Answer: C
Question: 27. The maximum total voltage drop on branch-circuit conductors is ________ Percent. A. 2 B.
3 C. 4 D. 5
Correct Answer: B
Question: 28. Dwelling units circuits running through another dwelling unit in common areas. What
percentage of change, will require it to be brought up to current code. A. 25% B. 50% C. 75% D. 100%
Correct Answer: B
Question: 29. Outlets may be installed in a dwelling unit for specific appliance such as laundry equipment.
What is the maximum distance allowed between this outlet and the appliance? A. 3ft B. 4ft C. 5ft D. 6ft
Correct Answer: D
, Question: 30. Receptacle outlets in floors shall not be counted as part of the required number of receptacle
outlets unless located within _______ of the wall. A. 10" B. 12" C. 15" D. 18"
Correct Answer: D
Question: 31. A receptacle connected to one of the dwelling unit small applicance branch circuits can be
used to supply a(n)________ in any of the rooms specified in 210.52(B)(1) A. Dishwasher B. Refrigerator
C. Permanent electric stove D. Electric clock
Correct Answer: D
Question: 32. Receptacle outlets installed for a specific appliance in a dwelling unit, such as a laundry
equipment, shall be located within _________ of the intended location of the appliance. A. Sight B. 3 feet
C. 6 feet D. Readily accessible, no maximum distance
Correct Answer: C
Question: 33. How many receptacles are required within the perimeter of a balcony, deck or porch with a
usuable area of less than 20 SQ. feet. A. 1 B. 2 C. 3 D. None
Correct Answer: A
Question: 34. The number of receptacle outlets for guest rooms in hotels and motels shall not be less than
that required for a dwelling unit. These receptacles can be located to be convenient for permanent furniture
layout but at least ___________ receptacle outlets shall be readily accessible. A. 1 B. 2 C. 3 D. 4
Correct Answer: B
Question: 35. At least one receptacle outlet shall be installed within ________ of the top of a show window
for each 12 linear feet measured horizontally across its length. A. 12 in B. 18 in C. 24 in D. 30 in
Correct Answer: B
Question: 36. A 125-volt, single-phase, 15- or 20- ampere-rated receptacle outlet shall be installed at an
accessible location for the servicing of heating, airconditioning, and refrigeration equipment. The receptacle
shall be located on the same level and within _________ of the heating, air-conditioning, and refrigeration
equipment. The receptacle outlet shall not be connected to the load side of the equipment disconnecting
means. A. 5ft B. 6ft C. 10ft D. 25ft
Correct Answer: D
Question: 37. The feeder conductor ampacity shall not be less than that of the service-entrance conductors
where the feeder conductors carry the total load supplied by service conductors with an ampacity of
__________ or less A. 30A B. 55A C. 60A D. 100A
Correct Answer: B
Question: 38. For other than dwelling occupancies, banks, or office buildings, each receptacle outlet shall
be calculated at not less than ________ VA. A. 90 B. 180 C. 270 D. 360
Correct Answer: B
Question: 39. How many receptacle outlets are permitted on a 20A, 120V circuit in a commercial building?
A. 10 B. 13 C. 15 D. 20
Correct Answer: B
Question: 40. For show-window lighting, a load of not less than 660 volt-amperes/linear meter or
________ volt amperes/linear foot shall be included for show window measured horizontally along its base.
CORRECT Answers
Question: 1. The Authority having jurisdiction has the responsibility ____________. A. for making
interpretations of rules B. for waiving specific requirements in the Code permitting alternate methods and
material if safety is maintained. C. for deciding upon the approval of equipment D. All of the above
Correct Answer: D
Question: 2. When the code uses the words "_______" it means the identified actions are allowed but not
required, and they may be options or alternative methods. A. Shall B. Shall not C. Shall be permitted D. A
or B
Correct Answer: C
Question: 3. In the NEC, the words "_________" indicate a mandatory requirement. A. Shall B. Shall not
C. Shall be permitted D. A or B
Correct Answer: D
Question: 4. The dimensions of working space for access to live parts operating at 300V, nominal to
ground, where there are exposed live parts on both sides of the workspace is________. A. 3 ft B. 3 ft C. 4 ft
D. 4 ft
Correct Answer: C
Question: 5. The working space in front of the electric equipment shall not be less than ________ wide, or
the width of the equipment, whichever is greater. A. 15 in B. 30 in C. 40 in D. 60 in
Correct Answer: B
Question: 6. Equipment associated with the electrical installation can be located above or below other
electrical equipment within their working space when the associated equipment does not extend more than
_________ from the front of the electrical equipment. A. 3 in B. 6 in C. 12 in D. 30 in
Correct Answer: B
Question: 7. For equipment rated 1200 amps or more and over 6ft wide that contains overcurrent devices,
switching devices, or control devices, there shall be one entrance to and egress from the required working
space not less than 24 inches. wide _______ and high at each end of the working space. A. 5 ft 6 inches B. 6
ft C. 6 ft 6 inches D. Any if the above
Correct Answer: C
Question: 8. According to the NEC, bare live parts are guarded from the public in the following methods
except? A. By elevation of 8 ft B. By location on a suitable balcony, gallery, or platform C. By suitable
permanent, substantial partitions D. Protected by fireproof curtain
Correct Answer: D
Question: 9. To guard live parts over 50V but less than 600V, equipment is permitted to be________. A.
Located in a room only accessible to qualified persons B. Located on a balcony accessible only to qualified
persons C. Elvated 8 ft or more above floor or other working surface D. Any of these
Correct Answer: D
,Question: 10. 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 _________ distant from the other. A. 5 ft B. 25 ft C. 50 ft D. 100 ft
Correct Answer: C
Question: 11. On a 4-Wire, delta-connected system where the midpoint of one phase winding is grounded,
only the conductor or busbar having the higher phase voltage to ground shall be durably and permanently
marked by an outer fishin that is ________ in color or by other effective means. Such identification shall be
placed at each point on the system where a connection is made if the grounded conductor is also present. A.
Red B. Orange C. Green D. Black
Correct Answer: B
Question: 12. The required working space for access to live parts operating at 300 volts to ground, where
there are exposed live parts on one side and grounded parts on the other side is_______. A. 3 ft B. 3 ft C. 4
ft D. 4 ft
Correct Answer: B
Question: 13. In locations where electrical equipment is likely to be exposed to _________enclosures or
guards shall be so arranged and of such strength as to prevent such damage. A. Corrosion B. Physical
damage C. Magnetic fields D. Weather
Correct Answer: B
Question: 14. Which of the following are not permitted for the protection of equipment in electrical vaults?
A. Reinforced concrete roof with a 3 Hour Rating B. Reinforced concrete wall with a 3 hour rating C. An
automatic halon or cardon dioxide fire suppression system D. Stud walls covering wallboard having a 3
hour rating
Correct Answer: D
Question: 15. The floors of vaults in contact with the earth shall be of concrete that is not less than
________thick, but where the vault is constructed with a vacant space or other stories below it, the floor
shall have adequate structural strength for the load imposed on it and a minimum fire resistance of 3 hours.
A. 3 inches B. 6 inches C. 12 inches D. 18 inches
Correct Answer: B
Question: 16. If the cover for an underground pull box used for circuits over 600 volts is not locked, bolted,
or screwed into place, then it must weigh equal to which of the following
Correct Answer: A. 25 lbs. B. 50 lbs. C. 100 lbs. D. 101 Ibs.: D
Question: 17. A door used by personnel to exit the work space that is less than 25 feet from the working
space shall _________. A. swing outward but remain locked B. swing inward and be locked C. swing
outward with simple pressure. D. swing inward with simple pressure
Correct Answer: C
Question: 18. 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. A. 24 inches B. 30
inches C. 36 inches D. 48 inches
Correct Answer: C
Question: 19. Access openings in a manholes shall be not less than ________ A. 20" B. 24" C. 26" D. 36"
,Correct Answer: C
Question: 20. Manhole openings for personnel shall be located where they are not directly above electrical
equipment or conductors in the enclosure. Where this is not practicable, ____________. A. a protective
barrier or a fixed ladder shall be provided B. A locking system is provided for protection C. Covers shall be
under (100 lb) D. Grip pads are used to prevent slipping
Correct Answer: A
Question: 21. An insulated grounded conductor of ______ or smaller shall be identified by a continuous
white or gray outer finish, or by three continuous white stripes on other than green insulation along its entire
length. A. 8 AWG B. 6 AWG C. 4 AWG D. 3 AWG
Correct Answer: B
Question: 22. Where conductors of different systems are installed in the same raceway, one system shall
have a neutral having an outer covering of white or natural gray and each other system having a neutral
shall have another covering of_______. A. White or natural gray B. White with green stripe C. White with
colored stripe other than green or distinguished by other suitable means D. Blue
Correct Answer: C
Question: 23. When leads are supplied with lampholders the conductor attached to the screw shell shall
have a _______ finish. A. White or gray B. Green or green with yellow stripes C. Any color D. Pango pink
or other light color
Correct Answer: A
Question: 24. Two or more _______ small-appliance branch circuits shall be provided to supply power for
receptacle outlets in the dwelling unit kitchen, dining room, breakfast room, pantry, or similar dining areas
A. 15 amp B. 20 amp C. 30 amp D. Either 20 amp or 30 amp
Correct Answer: B
Question: 25. There shall be a minimum of one ________ branch circuit for laundry outlets required by
210.52. A. 15 A B. 20 A C. 30 A D. B and C
Correct Answer: B
Question: 26. As per New York City NEC in addition to the number of branch circuits required in a
dwelling unit an individual branch circuit shall be provided for each _________ receptacle. A. GFCI B. Arc
fault C. Air conditioner D. Refrigerator
Correct Answer: C
Question: 27. The maximum total voltage drop on branch-circuit conductors is ________ Percent. A. 2 B.
3 C. 4 D. 5
Correct Answer: B
Question: 28. Dwelling units circuits running through another dwelling unit in common areas. What
percentage of change, will require it to be brought up to current code. A. 25% B. 50% C. 75% D. 100%
Correct Answer: B
Question: 29. Outlets may be installed in a dwelling unit for specific appliance such as laundry equipment.
What is the maximum distance allowed between this outlet and the appliance? A. 3ft B. 4ft C. 5ft D. 6ft
Correct Answer: D
, Question: 30. Receptacle outlets in floors shall not be counted as part of the required number of receptacle
outlets unless located within _______ of the wall. A. 10" B. 12" C. 15" D. 18"
Correct Answer: D
Question: 31. A receptacle connected to one of the dwelling unit small applicance branch circuits can be
used to supply a(n)________ in any of the rooms specified in 210.52(B)(1) A. Dishwasher B. Refrigerator
C. Permanent electric stove D. Electric clock
Correct Answer: D
Question: 32. Receptacle outlets installed for a specific appliance in a dwelling unit, such as a laundry
equipment, shall be located within _________ of the intended location of the appliance. A. Sight B. 3 feet
C. 6 feet D. Readily accessible, no maximum distance
Correct Answer: C
Question: 33. How many receptacles are required within the perimeter of a balcony, deck or porch with a
usuable area of less than 20 SQ. feet. A. 1 B. 2 C. 3 D. None
Correct Answer: A
Question: 34. The number of receptacle outlets for guest rooms in hotels and motels shall not be less than
that required for a dwelling unit. These receptacles can be located to be convenient for permanent furniture
layout but at least ___________ receptacle outlets shall be readily accessible. A. 1 B. 2 C. 3 D. 4
Correct Answer: B
Question: 35. At least one receptacle outlet shall be installed within ________ of the top of a show window
for each 12 linear feet measured horizontally across its length. A. 12 in B. 18 in C. 24 in D. 30 in
Correct Answer: B
Question: 36. A 125-volt, single-phase, 15- or 20- ampere-rated receptacle outlet shall be installed at an
accessible location for the servicing of heating, airconditioning, and refrigeration equipment. The receptacle
shall be located on the same level and within _________ of the heating, air-conditioning, and refrigeration
equipment. The receptacle outlet shall not be connected to the load side of the equipment disconnecting
means. A. 5ft B. 6ft C. 10ft D. 25ft
Correct Answer: D
Question: 37. The feeder conductor ampacity shall not be less than that of the service-entrance conductors
where the feeder conductors carry the total load supplied by service conductors with an ampacity of
__________ or less A. 30A B. 55A C. 60A D. 100A
Correct Answer: B
Question: 38. For other than dwelling occupancies, banks, or office buildings, each receptacle outlet shall
be calculated at not less than ________ VA. A. 90 B. 180 C. 270 D. 360
Correct Answer: B
Question: 39. How many receptacle outlets are permitted on a 20A, 120V circuit in a commercial building?
A. 10 B. 13 C. 15 D. 20
Correct Answer: B
Question: 40. For show-window lighting, a load of not less than 660 volt-amperes/linear meter or
________ volt amperes/linear foot shall be included for show window measured horizontally along its base.
