1. 200 – Industry Related Residential Version (201029)

1

Branch-circuit cable type UF is located in Article _____.

340
334
336
338

Reference: 340.1

2. 197 – Industry Related Residential Version (201029)

1

A residential bathroom has a hydromassage tub with a metal pump motor, which is not double insulated. It shall be bonded with ___________ to the metal piping system.

None of these statements are true
#8 AWG stranded CU
#8 AWG solid CU
#6 AWG stranded CU

Reference: 680.74

3. 195 – Industry Related Residential Version (201029)

1

For an indoor hot tub installation, a ceiling fan must be GFCI protected if it is located less than _____ feet above or _____ feet horizontally from the tub.

14, 5
12, 5
None of these statements are true
7 feet, 5 feet

Reference: 680.43B 1

4. 193 – Industry Related Residential Version (201029)

1

An outdoor hot tub requires a common bonding grid to eliminate any voltage gradient in the area. The bonding conductor must be at least a _____ AWG copper wire.

#8 solid or stranded
#10 solid or stranded
#8 solid (due to possible corrosive influences that may adversely affect stranded conductors)
None of these statements are true

Reference: 680.26B

5. 192 – Industry Related Residential Version (201029)

1

Which, if any, circuit conductors may be installed with the GFCI protected conductors in a nonmetallic raceway used for an underwater swimming pool light?

Both of these statements are true
The 240 volt branch circuit for the pool pump motor without GFCI protection.
None of these statements are true
The 120 volt branch circuit (not required to be GFCI protected) used for outside lights.

Reference: 680.23F 3

6. 189 – Industry Related Residential Version (201029)

1

A one family dwelling unit swimming double insulated pool pump motor circuit connection may be installed with _____ in the interior of the structure.

Type MC cable listed for the location
Rigid Nonmetalic Conduit (PVC, RNC)
NM cable (Romex)
All of these Chapter 3 methods are allowed

Reference: 680.21 A2

7. 188 – Industry Related Residential Version (201029)

1

Insulated service drop conductors rated 120 volts to ground with a bare grounded neutral conductor is installed over a swimming pool. They shall be a minimum of _____ feet above the water level.

25
10
27
22.5

Reference: Table 680.9A

8. 186 – Industry Related Residential Version (201029)

1

Mobile home disconnecting means shall be located not less than _____ feet above finished grade.

4
3
5
2

Reference: 550.32F

9. 185 – Industry Related Residential Version (201029)

1

The minimum size service for a mobile home in a mobile home park is _____ amperes.

200
150
100
80

Reference: 550.32C

10. 184 – Industry Related Residential Version (201029)

1

Electric ranges and clothes dryers used in mobile homes shall be ___________.

installed with the grounding conductor and the neutral bonded together
installed with the metal equipment enclosure junction box isolated
installed like in all existing dwelling units
installed with the grounded circuit conductor insulated from the grounding conductor and the metal equipment enclosures

Reference: 550.16A, 250.104

11. 183 – Industry Related Residential Version (201029)

1

Type NM cable (romex) is used as a temporary construction branch circuit. It is limited to _____ floors above grade.

3
Unlimited
4
5

Reference: 590.4C

12. 182 – Industry Related Residential Version (201029)

1

The length of a supply cord to a 120-volt rated room air-conditioner shall not exceed _____ feet.

4
6
10
3

Reference: 440.64

13. 181 – Industry Related Residential Version (201029)

1

An owner of a nice home wants to install a walk-in freezer in his garage area. It has an evaporator fan motor inside.

The disconnecting means if required is to be visible, within sight, and not more than 50 feet away.
None of these statements are true
Unless the installation is covered by either of the exceptions, a disconnecting means if required for the evaporator motor.
Two of these statements are true

Reference: 430.102, 440.14

14. 180 – Industry Related Residential Version (201029)

1

Electric heat cable with a conductive floor covering installed in a bathroom floor shall _____.

have GFCI protection
be only allowed in commercial structures
be limited to 32 volts
be prohibited

Reference: 424.44E

15. 178 – Industry Related Residential Version (201029)

1

Given a wall mounted oven is cord and plug connected:

For the cord and plug to serve as the unit disconnect, it must be accessible.
A pull out drawer in the bottom of the oven could make the cord and plug accessible.
Having to pull the unit out of the wall first to get access to the plug and cord may not be considered accessible, and additional disconnecting would be required.
All of these statements are true

Reference: 422.33B

16. 177 – Industry Related Residential Version (201029)

1

A dwelling unit has a dishwasher connected with a cord and plug. The plug and receptacle is installed to facilitate removal for servicing or repairs and they are allowed to serve as the disconnect for this appliance if ____.

It is accessibly located in the undercounter space adjacent to the dishwasher.
None of these statements are true
A plug and receptacle are not allowed to serve as a disconnect.
It is located behind the dishwasher requiring removal to gain access.

Reference: 422.33

17. 176 – Industry Related Residential Version (201029)

1

When a gas-fired central heating furnace is installed in a dwelling unit, is a disconnect required for the 1/8 HP blower motor?

No, only if the blower motor is 1/4 HP or more.
Yes, unless the branch circuit breaker is within sight.
A disconnect is not required, but recommended.
No, the disconnect would be impracticable.

Reference: 422.31A

18. 175 – Industry Related Residential Version (201029)

1

If the overcurrent protective device rating is marked on the name plate of the appliance, the branch circuit overcurrent device shall be no more than _____ of the rating.

100%
50%
125%
80%

Reference: 422.11A

19. 174 – Industry Related Residential Version (201029)

1

Branch circuit conductors within _____ inches of a ballast, within the ballast compartment shall be recognized for use at temperatures not lower than 90 degree C.

1
3
2
4

Reference: 410.68

20. 173 – Industry Related Residential Version (201029)

1

Which types of luminaries (light fixtures) are permitted in clothes closets?

Surface mounted incandescents with enclosed lamps.
All of these statements are true
Recessed incandescents with enclosed lamps.
Surface mounted fluorescents.

Reference: 410.16B

21. 172 – Industry Related Residential Version (201029)

1

Which types of luminaries (light fixtures) are not permitted in clothes closets?

Pendant mounted luminaries.
Incandescents with an open lamp.
All of these statements are true
Incandescents with partially enclosed lamps.

Reference: 410.16C

22. 171 – Industry Related Residential Version (201029)

1

A large clothes closet includes an area where both sides of the clothes hanging rods are exposed and accessible in the center of the closet. This storage space is considered _____ inches on either side of the hanging rods.

18
24
12
6

Reference: 410.16C

23. 170 – Industry Related Residential Version (201029)

1

The defined space in a bathtub zone may not necessarily rise all the way up to the ceiling. In a clothes closet, the area defined as storage space rises up to _____ feet above the shelf.

In a clothes closet, the area defined as storage space rises to the ceiling regardless of the ceiling height.
3
4
2

Reference: 410.16A Figure

24. 169 – Industry Related Residential Version (201029)

1

Is it permissible to install a 15 or 20 ampere, 125 V receptacle outlet in a dwelling unit within 3 feet or more from a bathtub or shower stall?

No, not within 3 feet.
No, not within 5 feet.
No, not within 5 feet and no further than 10 feet and GFCI protected.
No, not within 5 feet and no further than 10 feet.

Reference: 406.9C

25. 167 – Industry Related Residential Version (201029)

1

A 20 ampere, 120-volt receptacle installed outdoors and subject to beating rain and water runoff shall have an enclosure that is weatherproof when the attachment plug cap is inserted in ___________.

residential applications
All of these statements are true
industrial applications
commercial applications

Reference: 406.9A

26. 166 – Industry Related Residential Version (201029)

1

Receptacles rated _____ amperes or less directly connected to aluminum conductors shall be marked CO/ALR.

20
30
25
40

Reference: 406.3C

27. 164 – Industry Related Residential Version (201029)

1

Snap switches are required to be grounded ___________.

whether or not a metal coverplate is installed
only when installed in a dwelling unit
only when a metal coverplate is used
only when installed in a metal J box

Reference: 404.9B

28. 163 – Industry Related Residential Version (201029)

1

Snap switches can be grouped or ganged in outlet boxes if voltages between adjacent switches do not exceed _____ volts.

150
400
250
300

Reference: 404.8B

29. 162 – Industry Related Residential Version (201029)

1

The height of a circuit breaker used as a switch shall not exceed _____ above the floor.

6 feet
4.5 feet
6 feet, 7 inches
5 feet

Reference: 404.8A

30. 159 – Industry Related Residential Version (201029)

1

Concealed knob & tube wiring is not allowed in the hollow space of a wall where the space ___________.

None of these statements are true
is not ventilated
is insulated with blown-in insulation that surrounds the wire
exceeds 35 degree C

Reference: 394.12

31. 156 – Industry Related Residential Version (201029)

1

Power conductors in type NMC cable are manufactured in copper sizes ___________.

#14-#4
#14-#2
#12-#2
#14-#6

Reference: 334.104

32. 155 – Industry Related Residential Version (201029)

1

Type NM cable (romex) is permitted to connect fluorescent light fixtures in a residence in a dropped ceiling grid without support to a maximum length of not more than _____ feet.

3
4.5
3.5
4

Reference: 334.30 B2

33. 153 – Industry Related Residential Version (201029)

1

NMB cable (romex) is required to be protected from physical damage when exposed.

When run across the top of the truss joists in an accessible attic, the cable shall be protected by guard strips.
None of these statements are true
When passing through a floor the cable shall be enclosed in conduit extending at least 6 inches above the floor.
Two of these statements are true

Reference: 334.15B, 23

34. 150 – Industry Related Residential Version (201029)

1

Threaded boxes not over 100 cubic inches that contain a device, shall be considered supported when 2 or more conduits on the same side are threaded into the box if each conduit is supported within _____ inches of that box.

36
24
18
30

Reference: 314.23F

35. 149 – Industry Related Residential Version (201029)

1

In a combustible wall, the front edge of an outlet box may be set back no more than _____ inches from the finished surface.

0
1/4
1/8
1/2

Reference: 314.20

36. 148 – Industry Related Residential Version (201029)

1

A #4 copper conductor used for a residential dwelling unit branch circuit with 75 degree C terminations is rated for at least _____ amperes.

110
85
115
100

Reference: Table 310.16

37. 145 – Industry Related Residential Version (201029)

1

There are 4 separate raceways used to enclose paralleled conductors.

4 conduits may be rigid steel, the code is not clear on this
None of these statements are true
3 conduits shall be rigid steel and one may be rigid nonmetallic conduit (PVC).
2 conduits shall be rigid steel and two may be rigid nonmetallic conduit (PVC).

Reference: 310.10G

38. 142 – Industry Related Residential Version (201029)

1

What is the minimum burial depth of a Rigid Nonmetalic Conduict (PVC) when it is encased by 3 inches of concrete when it is ran under a road?

0 inches
The code is not really clear on this one, 24 inches is allowed.
18 inches
6 inches

Reference: Table 300.5

39. 140 – Industry Related Residential Version (201029)

1

The smoke detectors in a home are required to be interconnected by the building department which will necessitate a signaling conductor. This can be done by running ___________ romex cable(s) between the smoke detectors.

A 14-3
Two separate 14-2
None of these statements are true
Both statements are true.

Reference: 300.3B

40. 138 – Industry Related Residential Version (201029)

1

If the service entrance conductors are 350 KCMIL copper, what is the minimum size copper grounding electrode conductor if this is the sole connection to a metal water pipe electrode?

#4
#2
#6
1/0

Reference: Tab250.66, 66A

41. 137 – Industry Related Residential Version (201029)

1

A 400 ampere residential service is installed with 2, 200 amp panels each fed with 4/0 AL ungrounded service entrance conductors. A grounding electrode conductor is needed for the metal plumbing piping system.

All of these statements are true
2, #2 AL conductors can be ran, one from each panel
2, #4 CU conductors can be ran, one from each panel
1, #2 CU conductor can be ran, with a tap outside the panel with a #4 CU ran down into the second panel

Reference: Tab250.66, 64D1

42. 135 – Industry Related Residential Version (201029)

1

The grounding electrode conductor generally shall be installed without a splice, but ___________.

A split bolt can be used.
An irreversible compression connector can be used.
None of these statements are true
A 2-barrel lug can be used.

Reference: 250.64C

43. 134 – Industry Related Residential Version (201029)

1

Given a typical 200 ampere residential service, the grounding electrode conductor could be ran to the ground rods first and then to the metal water piping system if it is sized _____.

#4 AWG CU
#6 AWG AL
#6 AWG CU
#4 AWG AL

Reference: 250.64F

44. 132 – Industry Related Residential Version (201029)

1

A supplementary electrode is installed for a lighting pole because this equipment may be subject to lightning strikes. If a ground rod is used as this supplementary electrode, how many are required?

None of these statements are true
2
1
Rods are not allowed as supplementary electrodes.

Reference: 250.54

45. 131 – Industry Related Residential Version (201029)

1

Two ground rods are installed six feet apart for a 200 ampere residential service. These ground rods can be located ___________.

None of these statements are true
Both of these statements are true
Inside the garage slab under the panel.
Outside near the foundation of the home.

Reference: 250.53

46. 130 – Industry Related Residential Version (201029)

1

Some metal water piping systems can deteriorate with time and may even end up being replaced with a nonmetallic system. This is one reason the code requires a supplemental grounding electrode as a backup. If a ground rod is used as this supplemental electrode, how many are required?

0
Rods are not allowed to supplement the piping system.
2
1 (Resistance to ground is more than 25 ohms)

Reference: 250.53

47. 129 – Industry Related Residential Version (201029)

1

The electrical service for a small building is grounded to an existing underground metal water pipe where it enters the structure. This location has no other electrodes available. What is the minimum number of driven ground rods that are required for a supplementary grounding electrode?

0
The supplementary rod is recommended only.
1 (resistance to ground is more than 25 ohms)
2

Reference: 250.53D 2

48. 128 – Industry Related Residential Version (201029)

1

If an equipment grounding conductor is installed with a feeder to a separate structure, the equipment grounding conductor shall not be bonded to the ___________.

The disconnect enclosure
None of these statements are true
Grounded conductor
Grounding electrode conductor

Reference: 250.32B

49. 127 – Industry Related Residential Version (201029)

1

If the allowable current carrying capacity of a conductor does not correspond to the rating of a standard size overcurrent device, the next larger size may be used provided the current does not exceed _____ amps.

600
400
800
1000

Reference: 240.4B

50. 126 – Industry Related Residential Version (201029)

1

For a single family dwelling, the minimum size service disconnecting means shall be _____ amperes.

75
100
60
125

Reference: 230.79C

51. 125 – Industry Related Residential Version (201029)

1

Service conductors that run above the top level of a window shall be permitted to be less than the _____ foot requirement.

3
6
8
4

Reference: 230.9A

52. 124 – Industry Related Residential Version (201029)

1

An outbuilding on residential property is wired with one 20 ampere, 120-volt feeder for lighting and outlets.

The required disconnecting means shall be located near the point of entry.
The required disconnecting means shall be red.
No disconnecting means is required for this situation.
A snap switch is allowed for the required disconnecting means.

Reference: 225.36

53. 123 – Industry Related Residential Version (201029)

1

The height of a wall switch for a lighting outlet in a dwelling unit can be no more than _____.

6 feet
5 feet
6 feet 7 inches
4 feet

Reference: 404.8 A

54. 120 – Industry Related Residential Version (201029)

1

Which rooms in a dwelling unit may have a receptacle outlet controlled by a switch used for lighting instead of a lighting outlet?

Dining room
Kitchen
None of these statements are true
Bathroom

Reference: 210.70A 1

55. 119 – Industry Related Residential Version (201029)

1

A dwelling unit dining room has a receptacle controlled by a wall switch instead of a lighting outlet.

This is allowed when the switch is supplied by a general purpose branch circuit and it is installed in addition to the required small appliance branch circuit.
None of these statements are true
This is allowed when the switch is supplied by the small appliance branch circuit required to serve this room.
Both A and B above are true statements.

Reference: 210.70, 52B 1

56. 118 – Industry Related Residential Version (201029)

1

A homeowner wants an occupancy sensor installed in his home office for lighting.

This is allowed if the occupancy sensor replaces the wall switch if it is equipped with a manual override that allows it to function as a wall switch.
This is allowed for one mounted on the ceiling if a wall switch is also installed.
None of these statements are true
Both of these statements are true

Reference: 210.70A 1

57. 116 – Industry Related Residential Version (201029)

1

An air-conditioner is located at grade level on the back of a residence. A receptacle outlet is also located on the back of a residence at a deck which is 3 feet above grade, within 10 feet of the AC equipment.

This receptacle outlet can serve as the required outlet for the AC equipment.
This receptacle outlet must be marked to indicate this dual usage.
This receptacle outlet cannot serve as the required outlet for the AC equipment. (must be on the same level)
This receptacle outlet does not have to be GFCI protected.

Reference: 210.63

58. 115 – Industry Related Residential Version (201029)

1

A receptacle outlet must be installed at an accessible location for servicing rooftop heat pump equipment in ___________.

All of these statements are true
two family dwellings
one family dwellings
commercial buildings

Reference: 210.63

59. 114 – Industry Related Residential Version (201029)

1

Which receptacle outlet location is permitted but not counted as a required receptacle location?

All of these statements are true
An outlet that is part of a luminaire (light fixture).
Inside a kitchen cabinet.
Over 6 feet above the floor.

Reference: 210.52

60. 113 – Industry Related Residential Version (201029)

1

Floor boxes shall be considered to meet the requirement of the spacing receptacles on walls if they are ___________.

within 36 inches of the wall
within 24 inches of the wall
within 18 inches of the wall
within 12 inches of the wall

Reference: 210.52A 3

61. 109 – Industry Related Residential Version (201029)

1

In dwelling unit bathrooms, at least one receptacle outlet shall be installed within _____ inches of the outside edge of each basin.

24
18
48
36

Reference: 210.52D

62. 108 – Industry Related Residential Version (201029)

1

The rating of a cord and plug connected central vacuum unit assembly shall not exceed _____ percent of the branch circuit rating it is installed on.

100
50
80
70

Reference: 210.23B1

63. 107 – Industry Related Residential Version (201029)

1

Tap conductors for household cooking equipment supplied from a 50-amp branch circuit shall have an ampacity of not less than _____.

20
70
50
80

Reference: 210.19C

64. 106 – Industry Related Residential Version (201029)

1

Dwelling unit receptacle outlets shall be protected by arc-fault circuit interrupter protection ___________.

even for bathroom receptacles.
even for outside receptacles.
Even for sunroom receptacles.
None of these statements are true

Reference: 210.12B

65. 104 – Industry Related Residential Version (201029)

1

Does a duplex receptacle installed in a dwelling type occupancy for the refrigerator require GFCI protection?

Not when it is installed on the wall behind the location for the refrigerator.
Not if it is a single receptacle on the yoke installed for the refrigerator.
Yes, all kitchen receptacles
No, never

Reference: 210.8A 6

66. 101 – Industry Related Residential Version (201029)

1

Is a circuit breaker without a HACR marking suitable as a disconnecting means for an outdoor air conditioner?

None of these statements are true
If the marking on the unit specifies fuses or circuit breaker, the breaker does not have to be a HACR type if fuses are used.
If the marking on the unit indicates fuses, the circuit breaker does have to be a HACR type
If the marking on the unit indicates fuses or HACR circuit breaker, the breaker does not have to be a HACR type if no fuses are used.

Reference: 110.3B

67. 100 – Industry Related Residential Version (201029)

1

Flexible Metal Conduit (FMC or Flex) can be used in a wet location if…

The branch circuit conductors are rated for a wet location.
Flexible metal conduit cannot be used in a wet location.
None of these statements are true
The run prevents water from entering the enclosure.

Reference: 348.12

68. 099 – Industry Related Residential Version (201029)

1

For each yoke or strap containing one or more devices, a ______ volume allowance is made based on the largest conductor connected to the device to calculate box fill.

No allowance is needed for devices.
Double.
Triple.
Single.

Reference: 314.16B 4

69. 097 – Industry Related Residential Version (201029)

1

As a general rule, unless an exception is met, when one structure is fed from another…

There is no specific restriction on the number of feeders allowed.
Two feeders are allowed if identified.
Only one feeder is allowed.
Up to three are allowed if identified.

Reference: 225.30

70. 096 – Industry Related Residential Version (201029)

1

In a dwelling unit, one wall switch for a light is required at each floor level of a stairway with…

10 steps or more.
7 steps or more.
8 steps or more.
6 steps or more.

Reference: 210.70A 2

71. 095 – Industry Related Residential Version (201029)

1

As a general rule, conductors of Class II wiring as for a thermostat circuit ____ placed in any enclosure, box, raceway, etc., with conductors of electric light, power, Class I, and non-power limited fire alarm circuits.

Can be if 300 volt insulation.
Shall not be.
Can be if 600 volt insulation.
Can be.

Reference: 725.136A

72. 093 – Industry Related Residential Version (201029)

1

Which shall have ground fault circuit interrupter protection?

All of the installations require GFCI protection.
An outdoor fountain.
An indoor hot tub supplied by an outlet.
A hydromassage bathtub.

Reference: 680.43, 56A, 71

73. 092 – Industry Related Residential Version (201029)

1

An outdoor hot tub is installed…

Requires a receptacle shall be located at least 6 feet away.
Requires a receptacle shall be located not further than 20 feet away.
Requires a receptacle to be 6' 6" or lower.
All of these statements are true.

Reference: 680.22A

74. 086 – Industry Related Residential Version (201029)

1

What is the minimum mounting height of an outdoor mobile home disconnect?

2 feet from the bottom of the enclosure to finish grade.
4 feet from the bottom of the enclosure to finish grade.
3 1/2 feet from the bottom of the enclosure to finish grade.
3 feet from the bottom of the enclosure to finish grade.

Reference: 550.32F

75. 083 – Industry Related Residential Version (201029)

1

The general rule is all ____ amp 120-volt single phase receptacles used for temporary wiring shall be GFCI protected.

All of these statements are true
15
30
20

Reference: 590.6A

76. 082 – Industry Related Residential Version (201029)

1

As a general rule, the disconnecting means for air conditioning equipment shall…

All of these statements are true
Be readily accessible from the unit.
Can be installed on the unit.
Be within sight from the unit.

Reference: 440.14

77. 080 – Industry Related Residential Version (201029)

1

Baseboard heaters…

May be installed below receptacle outlets if over 15 ft. long.
May be installed below receptacle outlets.
Generally are not allowed to be installed below a receptacle outlet as per the manufacturers instructions.
May be installed below receptacle outlets if over 12 ft. long.

Reference: 424.10 notes

78. 079 – Industry Related Residential Version (201029)

1

If a typical residential hot water tank is connected…

A lockable disconnect can be used.
A circuit breaker within sight of the hot water tank can be used as a disconnect.
A circuit breaker capable of being locked in the open position can be used as a disconnect.
All of these statements are true

Reference: 422.31B

79. 078 – Industry Related Residential Version (201029)

1

Which ceiling paddle fan installation meets code?

A fan less than 35 lbs. supported by an outlet box listed for such a use.
A fan less than 50 lbs. supported by an outlet box.
A fan less than 40 lbs. supported by an outlet box.
None of these statements are true

Reference: 422.18

80. 077 – Industry Related Residential Version (201029)

1

Recessed fixtures (can lights)…

None of these statements are true
Can have thermal insulation installed next to the enclosure or ballast if identified suitable for direct contact (IC type).
Can have thermal insulation installed next to the ballast if it is not installed within 2 inches
Can have thermal insulation installed next to the enclosure or ballast.

Reference: 410.116A&B

81. 076 – Industry Related Residential Version (201029)

1

If a fluorescent light is mounted on the wall above a dwelling unit clothes closet door, the minimum clearance to storage space is…

10 inches.
4 inches.
12 inches.
6 inches.

Reference: 410.16D

82. 075 – Industry Related Residential Version (201029)

1

Which type of fixture is not allowed in a clothes closet?

All of these statements are true
An incandescent with an enclosed lamp.
A fluorescent with an open lamp.
A fluorescent with an enclosed lamp.

Reference: 410.16C

83. 074 – Industry Related Residential Version (201029)

1

No hanging luminaries (light fixtures), track lights, or ceiling fans are allowed over a bathtub within ___ feet horizontally and ___ feet vertically of the tub rim.

3, 6.
2, 6.
2, 8.
3, 8.

Reference: 410.10D

84. 073 – Industry Related Residential Version (201029)

1

Which installation does not require a receptacle cover in a wet location that is weatherproof even with the plug cap inserted? (A bubble type cover)

A vending machine.
An attended portable drill motor with a 30 ampere, 250 volt receptacle.
A pump motor.
A RV plugged in for six months.

Reference: 406.9A

85. 072 – Industry Related Residential Version (201029)

1

Does a replacement of a non-grounding receptacle required be of the grounding type at all times?

Yes, and it must be GFCI protected.
Yes, and shall be connected to a grounding conductor.
No, if no grounding means exists, either non-grounding or GFCI type will do.
None of these statements are true

Reference: 406.4D

86. 071 – Industry Related Residential Version (201029)

1

On a circuit, a 2-wire non-grounding existing receptacle is replaced with a GFCI type. It needs to be marked…

No Grounded Conductor
Not grounded.
No Equipment Ground.
GFCI Protected.

Reference: 406.4D

87. 070 – Industry Related Residential Version (201029)

1

As a general rule, a new installation of a snap switch….

Requires it to be grounded if a job specification recommends it.
Is not required to be grounded.
Requires it to be grounded whether or not a metal faceplate is installed.
Requires a 20-amp rated switch minimum.

Reference: 404.9B

88. 069 – Industry Related Residential Version (201029)

1

A switch needs to be located so that the operating handle when installed will not be higher than…

6 ft. 6 inches.
6 ft. 7 inches.
6 ft.
6 ft. 8 inches.

Reference: 404.8

89. 067 – Industry Related Residential Version (201029)

1

Rigid Nonmetallic Conduit (RNC or PVC) expands and contracts when installed outdoors. If this change is _____ or greater in a strait run between securely mounted items, expansion fittings are needed.

Any change requires an expansion fitting.
1 inch.
.5 inches.
.25 inches.

Reference: 352.44

90. 066 – Industry Related Residential Version (201029)

1

When installing a (RNC or PVC) Rigid Nonmetallic Conduit expansion joint…

All of these statements sound like good ideas.
If installing in direct sunlight, compensate for temperature.
Do not install it all the way open or closed, compensate for today's temperature.
If installing it on a vertical run, put the joint down so water won't run down inside.

Reference: 352.44

91. 065 – Industry Related Residential Version (201029)

1

2-inch Rigid Nonmetallic Conduit (RNC or PVC) shall be supported at least every…

6 ft.
8 ft.
10 ft.
5 ft.

Reference: 352.30B

92. 064 – Industry Related Residential Version (201029)

1

Flexible Metal Conduit (FMC or Flex) may have up to ____ quarter bends per run.

3
4
6
5

Reference: 348.24B

93. 063 – Industry Related Residential Version (201029)

1

A # 8 copper Nonmetallic-Sheathed Cable (romex) conductor is rated at ___ amps using the ___ column of Table 310-16.

55, 90 degree C.
40, 60 degree C.
50, 75 degree C.
None of these statements are true

Reference: 334.80, Table 310.16

94. 061 – Industry Related Residential Version (201029)

1

Where Nonmetallic-Sheathed Cable (romex) cable is installed within ___ ft. of an attic access without a permanent ladder, it shall be protected by running boards.

7
6
5
3

Reference: 334.23

95. 060 – Industry Related Residential Version (201029)

1

Where Nonmetallic-Sheathed Cable (romex) passes through a floor, it shall be protected by a conduit at least ___ inches above the floor.

4
6
8
5

Reference: 334.15B

96. 059 – Industry Related Residential Version (201029)

1

Type Nonmetallic-Sheathed Cable (romex) can be used in a residential building if it is ________ and the proper type construction.

4 floors but the 1st level is a parking garage
3 floors above grade
3 floors above grade, with a basement 40% above grade
All of these statements are true

Reference: 334.10

97. 058 – Industry Related Residential Version (201029)

1

A (RNC or PVC) Rigid Nonmetallic Conduit is installed as a sleeve or chase from a surface mounted panelboard, which does not penetrate a structural ceiling. “Jack Piping”

This conduit shall not be less than 12 inches in length.
None of these statements are true
Nonmetallic-Sheathed Cable (romex) is allowed to be installed in this raceway.
This conduit can be 20 feet in length.

Reference: 312.5C

98. 057 – Industry Related Residential Version (201029)

1

What is the smallest size aluminum AWG size you could use for a 300-ampere residential service installation?

400 KCMIL.
500 KCMIL.
250 KCMIL.
83% of the service rating.

Reference: 310.12A

99. 056 – Industry Related Residential Version (201029)

1

On a single phase, 225 amp dwelling service, the minimum ungrounded (hot) conductor size is…

2/0 Copper.
300 Kcmil Aluminum.
83% of the service rating.
4/0 Copper.

Reference: 310.12A

100. 055 – Industry Related Residential Version (201029)

1

If Nonmetallic-Sheathed Cable (romex) are bundled together for longer than ___ inches, they shall be derated for allowable ampacities.

36
12
18
24

Reference: 310.15C 1

101. 054 – Industry Related Residential Version (201029)

1

Nonmetallic Sheathed Cable (romex) installed in a residential dwelling unit…

Can be installed perpendicular to the long dimension of an air handling space.
Cannot be installed in the long dimension of an air handling space.
None of these statements are true
Both of these statements are true

Reference: 300.22C_ex

102. 052 – Industry Related Residential Version (201029)

1

Raceways exposed to different temperatures…

Need to be sealed when exposed to widely different temperatures.
Need to be sealed in commercial applications only.
Need to be sealed to prevent air exchange and circulation.
Need not be sealed and needs not to be prevented.

Reference: 300.7

103. 051 – Industry Related Residential Version (201029)

1

When direct burial cable emerges from the ground, unless 30 volts or less or 20 amp residential GFCI circuits, it shall be protected by a raceway ___ inches below grade and up to ___ feet above grade.

24; 8.
18; 10.
24; 10.
18; 8.

Reference: 300.5D 1

104. 050 – Industry Related Residential Version (201029)

1

Given an underground service lateral from a power company transformer to a customer owned service that you need to install.

None of these statements are true
If not encased in concrete, a warning ribbon must be placed in the trench at least 6 inches above the installation.
If not encased in concrete, a warning ribbon must be placed in the trench at least 12 inches above the installation.
If not encased in concrete, a warning ribbon must be placed in the trench along side with the installation.

Reference: 300.5D 3

105. 049 – Industry Related Residential Version (201029)

1

When installing Nonmetallic Sheathed Cable (Romex) through metal stud framing members…

Nonmetallic-Sheathed Cable (Romex) is not allowed in metal stud framing.
A bushing or grommet is required in the opening.
A bushing or grommet is required only for field-punched holes.
A bushing or grommet is required only for factory cut holes.

Reference: 300.4B 1

106. 048 – Industry Related Residential Version (201029)

1

When determining a proper depth of a ditch for an underground conduit.

Measure from the center of the conduit.
There is no specific requirement.
Measure from the top of the conduit.
Measure from the bottom of the ditch.

Reference: Table 300.5_notes

107. 047 – Industry Related Residential Version (201029)

1

A new installation of a branch circuit supplying a single-phase clothes dryer requires…

Either A or B above.
A 3 wire cable including an insulated neutral.
None of these statements are true
A 4 wire cable including an equipment ground.

Reference: 250.140

108. 045 – Industry Related Residential Version (201029)

1

Which is a true statement?

A metal conduit, which contains a grounding electrode conductor, needs to be bonded at one end only.
A metal conduit, which contains a grounding electrode conductor, does not need to be bonded.
A metal conduit, which contains a grounding electrode conductor, needs to be bonded at both ends.
An EMT conduit, which contains a grounding electrode conductor, needs to be bonded at one end only.

Reference: 250.64E

109. 044 – Industry Related Residential Version (201029)

1

If a made electrode (ground rod) is to be used to ground a service….

All of these statements are true
They can be driven at a 45* angle if rock is found.
If practicable, they need to be installed below moisture level.
They can, as a last resort, be buried in a 2 1/2 ft. deep ditch.

Reference: 250.53A 4

110. 042 – Industry Related Residential Version (201029)

1

When a metal underground water pipe is used as an electrode…

None of these statements are true
Both of these statements are true
It must be supplemented with a ground rod.
If a rod is not 25 ohms or less, another additional rod must be used.

Reference: 250.53D 2

111. 041 – Industry Related Residential Version (201029)

1

If it is available on the job site, a metal water pipe that enters the building and is in direct contact with earth for ___ feet or more shall be connected as an electrode within ___ from emergence from the ground.

5, 5 feet
10, 20 feet
5, 10 feet
10, anywhere

Reference: 250.52A, 250.68C

112. 038 – Industry Related Residential Version (201029)

1

The minimum service entrance conductor ampacity is…

100 amps for a one family dwelling.
All of these statements are true
60 amps for other loads.
30 amps for a two-circuit installation.

Reference: 230.79

113. 037 – Industry Related Residential Version (201029)

1

Which is not an acceptable grouping of service disconnects?

2 disconnects installed together inside.
1 disconnect installed outside and 3 inside.
2 disconnects installed together outside.
2 disconnects installed together inside and one 50 ft. away outside for a fire pump.

Reference: 230.72

114. 035 – Industry Related Residential Version (201029)

1

Service entrance conductors…

None of these statements are true
Cannot be spliced unless the authority having jurisdiction gives express permission.
Can be spliced.
Cannot be spliced.

Reference: 230.46

115. 034 – Industry Related Residential Version (201029)

1

A house with a separate structure like a shop has one service location with one service lateral with the meter attached to the home.

Both of these statements are true
At the meter, you can have 2 disconnects grouped together outside, one for the home, the other for the shop.
You can have one disconnect at and for the home and another at and for the shop. (A meter loop.)
None of these statements are true

Reference: 230.40 ex 3

116. 030 – Industry Related Residential Version (201029)

1

Which is not a true statement of an outside feeder from one building to another?

Building #2 is limited to 8 disconnects grouped in one location.
A disconnect is required at building #2.
The disconnect in (A) above must be suitable for use as service equipment.
If building #2 is supplied by more than one feeder, permanent identification is required.

Reference: 225.31, 36, 37

117. 029 – Industry Related Residential Version (201029)

1

A dwelling lighting load demand factor is ____ % for 3001 to 120,000 watts.

35
25
40
50

Reference: Table 220.45

118. 028 – Industry Related Residential Version (201029)

1

A wall switch for a light is required at each outdoor entry…

In dwelling units.
In dwelling, commercial and industrial buildings.
None of these statements are true
In commercial buildings.

Reference: 210.70A

119. 026 – Industry Related Residential Version (201029)

1

An air conditioner…

Requires an outlet on the same level for servicing it.
All of these statements are true.
Requires an outlet within 25 Ft.
Requires an outlet if it is a 2 family dwelling.

Reference: 210.63

120. 025 – Industry Related Residential Version (201029)

1

If installed in an attic, does a furnace require a 15 – 20 amp rated outlet for servicing the unit?

Yes, but only for dwelling units.
Yes, accessible and on the same level within 25 ft.
No, only on rooftops within 25 ft.
No, only on rooftops and in crawl spaces.

Reference: 210.63

121. 024 – Industry Related Residential Version (201029)

1

In a guest room of hotel or motel, does the number of receptacle outlets installed need to comply as in a dwelling unit of Section 210-52?

Yes, and they need to be located as per those requirements.
No, number of outlets is determined by customer preference.
No, that Section does not apply.
Yes, but they can be relocated because of furniture layout.

Reference: 210.60 B

122. 023 – Industry Related Residential Version (201029)

1

A 1500 square foot home; what are the least # of required circuits for lighting, small appliances, and laundry, with wood heat, (at 20 amp circuits)?

5
7
8
6

Reference: 210.52, 220.41

123. 022 – Industry Related Residential Version (201029)

1

For a one family dwelling where part of the basement is finished but another portion is not….

Two additional outlets are required in the unfinished portion.
An additional outlet is required in the unfinished portion.
An additional outlet is not required in the unfinished portion.
None of these statements are true.

Reference: 210.52G

124. 021 – Industry Related Residential Version (201029)

1

Two family dwellings (duplex) require how many grade level accessible outside receptacles?

None are required.
One for both units.
Two, one for each unit, one in the front and the other in the back.
Four, two for each unit, two in the front and the two in the back.

Reference: 210.52E

125. 019 – Industry Related Residential Version (201029)

1

In a dwelling unit kitchen where the exception allows a receptacle to be installed below the countertop, to count, the counter lip shall extend no more than ___ beyond the counter.

This no longer counts.
8 inches.
10 inches.
12 inches.

Reference: 210.52C 3

126. 018 – Industry Related Residential Version (201029)

1

The two or more required kitchen 20-amp appliance circuits can include…

Dining room receptacles.
Pantry receptacles.
All of these statements are true.
A clock in the breakfast room.

Reference: 210.52B 1&2

127. 017 – Industry Related Residential Version (201029)

1

A GFCI protected 20-amp small appliance branch circuit…

All of these statements are true
May serve more than one but it is not recommended.
May not serve more than one kitchen.
May serve more than one kitchen.

Reference: 210.52B 3

128. 016 – Industry Related Residential Version (201029)

1

A dwelling unit small appliance branch circuit for the kitchen cannot…

All of these statements are true
Include an outside outlet.
Include a receptacle for a refrigerator.
Include a receptacle for a gas fired range.

Reference: 210.52B 2

129. 015 – Industry Related Residential Version (201029)

1

A receptacle outlet for a dwelling refrigerator….

Is not exempted from the GFCI requirements.
All of these statements are true.
Can be served by an individual 15-amp circuit.
Can be included on the 20-amp small appliance branch circuit.

Reference: 210.52B1, 210.8

130. 013 – Industry Related Residential Version (201029)

1

What is the maximum amperage allowed in a house for a 120-volt cord and plug connected load for a 15-amp circuit?

12
10
13
11

Reference: Table 210.21B 2

131. 012 – Industry Related Residential Version (201029)

1

Given, 4 lights at 120 volts at 4.2 amps each on for over 3 hours at a time. How many minimum 20-amp circuits are needed to serve this load?

2
3
4
1

Reference: 210.20A

132. 011 – Industry Related Residential Version (201029)

1

In a dwelling unit bathroom…

At least one 20-amp circuit is required, this 20-amp circuit shall be dedicated to supply bathroom receptacles only.
All of these statements are true.
At least one 20-amp circuit is required, an exception allows other equipment within the same bathroom to be supplied by a 20-amp circuit if it is only a single bathroom.
At least one 20-amp circuit is required.

Reference: 210.11C

133. 010 – Industry Related Residential Version (201029)

1

In a dwelling unit, the washing machine shall _____.

Both of these statements are true
be installed on a separate 20-amp circuit and this circuit can serve laundry receptacle outlets in the laundry room.
None of these statements are true
be installed on a separate 20-amp circuit.

Reference: 210.11C

134. 009 – Industry Related Residential Version (201029)

1

Which does not require a GFCI protection device for a dwelling unit?

One duplex receptacle for a freezer in a garage.
All of these require GFCI protection.
A single receptacle for a freezer in a garage.
Workbench outlet in a garage.

Reference: 210.8A

135. 008 – Industry Related Residential Version (201029)

1

In a dwelling garage, a non-GFCI outlet installed for a Central Vacuum system shall be…

A duplex receptacle.
Marked "not GFCI protected.
Installed at least 7' above the floor.
Now not allowed, it must be GFCI protected.

Reference: 210.8A

136. 007 – Industry Related Residential Version (201029)

1

A branch circuit for a dwelling unit is ran out for a small storage building for an inside 120-volt outlet at grade level.

This receptacle is not required to be GFCI protected, but it is recommended.
If this receptacle is 15 or 20 amp, it shall be GFCI protected
If this receptacle is 15-amp, it shall not be GFCI protected.
If this receptacle is 20-amp, it shall not be GFCI protected.

Reference: 210.8A

137. 005 – Industry Related Residential Version (201029)

1

If you use a 12-3 romex as travelers between 3-way switches with the white used to supply the switch.

The white conductor does not have to be re-identified.
The white conductor must be permanently re-identified where visible.
None of these statements are true
The white conductor shall be white with a colored green stripe.

Reference: 200.7C

138. 003 – Industry Related Residential Version (201029)

1

The minimum working space for indoor electrical equipment is from the floor to ____ feet above the equipment or structural ceiling if lower.

15
10
25
6.5

Reference: 110.26A 3

139. 002 – Industry Related Residential Version (201029)

1

When the term “In sight from” is used in the Code, what is the maximum distance permitted?

30 feet.
50 feet.
75 feet.
25 feet.

Reference: Definitions

140. 001 – Industry Related Residential Version (201029)

1

An area is considered a bathroom if…

It includes a sink and a toilet.
It includes a sink and a shower.
It includes a sink and a tub.
All of these statements are true

Reference: Definitions

(509) 488-0899

1. 200 – Industry Related Residential Version (201029)

2. 197 – Industry Related Residential Version (201029)

3. 195 – Industry Related Residential Version (201029)

4. 193 – Industry Related Residential Version (201029)

5. 192 – Industry Related Residential Version (201029)

6. 189 – Industry Related Residential Version (201029)

7. 188 – Industry Related Residential Version (201029)

8. 186 – Industry Related Residential Version (201029)

9. 185 – Industry Related Residential Version (201029)

10. 184 – Industry Related Residential Version (201029)

11. 183 – Industry Related Residential Version (201029)

12. 182 – Industry Related Residential Version (201029)

13. 181 – Industry Related Residential Version (201029)

14. 180 – Industry Related Residential Version (201029)

15. 178 – Industry Related Residential Version (201029)

16. 177 – Industry Related Residential Version (201029)

17. 176 – Industry Related Residential Version (201029)

18. 175 – Industry Related Residential Version (201029)

19. 174 – Industry Related Residential Version (201029)

20. 173 – Industry Related Residential Version (201029)

21. 172 – Industry Related Residential Version (201029)

22. 171 – Industry Related Residential Version (201029)

23. 170 – Industry Related Residential Version (201029)

24. 169 – Industry Related Residential Version (201029)

25. 167 – Industry Related Residential Version (201029)

26. 166 – Industry Related Residential Version (201029)

27. 164 – Industry Related Residential Version (201029)

28. 163 – Industry Related Residential Version (201029)

29. 162 – Industry Related Residential Version (201029)

30. 159 – Industry Related Residential Version (201029)

31. 156 – Industry Related Residential Version (201029)

32. 155 – Industry Related Residential Version (201029)

33. 153 – Industry Related Residential Version (201029)

34. 150 – Industry Related Residential Version (201029)

35. 149 – Industry Related Residential Version (201029)

36. 148 – Industry Related Residential Version (201029)

37. 145 – Industry Related Residential Version (201029)

38. 142 – Industry Related Residential Version (201029)

39. 140 – Industry Related Residential Version (201029)

40. 138 – Industry Related Residential Version (201029)

41. 137 – Industry Related Residential Version (201029)

42. 135 – Industry Related Residential Version (201029)

43. 134 – Industry Related Residential Version (201029)

44. 132 – Industry Related Residential Version (201029)

45. 131 – Industry Related Residential Version (201029)

46. 130 – Industry Related Residential Version (201029)

47. 129 – Industry Related Residential Version (201029)

48. 128 – Industry Related Residential Version (201029)

49. 127 – Industry Related Residential Version (201029)

50. 126 – Industry Related Residential Version (201029)

51. 125 – Industry Related Residential Version (201029)

52. 124 – Industry Related Residential Version (201029)

53. 123 – Industry Related Residential Version (201029)

54. 120 – Industry Related Residential Version (201029)

55. 119 – Industry Related Residential Version (201029)

56. 118 – Industry Related Residential Version (201029)

57. 116 – Industry Related Residential Version (201029)

58. 115 – Industry Related Residential Version (201029)

59. 114 – Industry Related Residential Version (201029)

60. 113 – Industry Related Residential Version (201029)

61. 109 – Industry Related Residential Version (201029)

62. 108 – Industry Related Residential Version (201029)

63. 107 – Industry Related Residential Version (201029)

64. 106 – Industry Related Residential Version (201029)

65. 104 – Industry Related Residential Version (201029)

66. 101 – Industry Related Residential Version (201029)

67. 100 – Industry Related Residential Version (201029)

68. 099 – Industry Related Residential Version (201029)

69. 097 – Industry Related Residential Version (201029)

70. 096 – Industry Related Residential Version (201029)

71. 095 – Industry Related Residential Version (201029)

72. 093 – Industry Related Residential Version (201029)

73. 092 – Industry Related Residential Version (201029)

74. 086 – Industry Related Residential Version (201029)

75. 083 – Industry Related Residential Version (201029)

76. 082 – Industry Related Residential Version (201029)

77. 080 – Industry Related Residential Version (201029)

78. 079 – Industry Related Residential Version (201029)

79. 078 – Industry Related Residential Version (201029)