1. 199 – Industry Related Residential Version (201029)

1

Telephone communication wires installed in a wood framed wall generally should be separated by at least _____ inch(es) from NM cable (romex) at 120 volts.

3
No separation is needed.
1
2

Reference: 800.133B

2. 198 – Industry Related Residential Version (201029)

1

In a residential closet, a junction box with 120-volt conductors is installed for the doorbell transformer. The Class 2 low voltage wires ___________.

may be installed in the same J box
Only Class 1 low voltage wires may be ran.
may be run outside adjacent to the J box to provide separation
None of these statements are true

Reference: 725.136A&B

3. 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.

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

Reference: 680.74

4. 196 – Industry Related Residential Version (201029)

1

A single family dwelling with an indoor packaged hot tub assembly may utilize romex as a wiring method if it ___________.

contains a copper equipment grounding conductor sized at a minimum of 10 AWG or larger only
Romex is not allowed to feed an indoor hot tub
is installed in a raceway only
complies with Part I and II of Article 680

Reference: 680.43

5. 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.

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

Reference: 680.43B 1

6. 194 – Industry Related Residential Version (201029)

1

An emergency disconnecting means is required for a hot tub not less than 5 feet and within sight.

For a multifamily structure.
Both A and B above are true statements.
For single-family dwelling unit.
None of these statements are true

Reference: 680.41

7. 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.

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

Reference: 680.26B

8. 191 – Industry Related Residential Version (201029)

1

Which of the below is a true statement?

All 125 V receptacles rated 30 amperes or less and located within 10 feet of an indoor hot tub are required to be provided with GFCI protection.
All 125 V receptacle located within 20 feet of an outdoor hot tub are required to be provided with GFCI protection.
All single phase, 15 and 20 amp, 120 through 240 volt receptacles that supply an outdoor hot tub motors are required to have GFCI protection regardless of their location.
All of these statements are true

Reference: 680.22A, 680.43A

9. 190 – Industry Related Residential Version (201029)

1

For an outdoor hot tub, a 125 V, 15 or 20 ampere receptacle shall be located not less than _____ feet or more than _____ feet from the inside wall of the tub or more than _____ feet above the level of the tub.

5, 10, 2005
6, 20, 6.5
10, 20, 10
10, 15, 6.5

Reference: 680.22A 1

10. 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.

10
27
25
22.5

Reference: Table 680.9A

11. 187 – Industry Related Residential Version (201029)

1

A park trailer is intended to be used for ___________.

a permanent dwelling
seasonal use
None of these statements are true
temporary office use

Reference: 552.4

12. 186 – Industry Related Residential Version (201029)

1

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

2
5
4
3

Reference: 550.32F

13. 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
5
4
Unlimited

Reference: 590.4C

14. 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
3
10
6

Reference: 440.64

15. 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.

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

Reference: 430.102, 440.14

16. 180 – Industry Related Residential Version (201029)

1

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

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

Reference: 424.44E

17. 179 – Industry Related Residential Version (201029)

1

A residence is installing a new heating load of 28,000 watts in base board heaters on a 240-volt circuits. They are on more than 3 hours at a time so the actual continuous duty load is 35,000 watts (125%). The minimum number of 30 ampere branch circuits to supply these heaters is _____.

6
5
7
8

Reference: 424.4

18. 178 – Industry Related Residential Version (201029)

1

Given a wall mounted oven is cord and plug connected:

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
For the cord and plug to serve as the unit disconnect, it must be accessible.

Reference: 422.33B

19. 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
It is located behind the dishwasher requiring removal to gain access.
A plug and receptacle are not allowed to serve as a disconnect.

Reference: 422.33

20. 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%
80%
125%
50%

Reference: 422.11A

21. 172 – Industry Related Residential Version (201029)

1

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

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

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.

24
18
6
12

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.

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

Reference: 410.16A Figure

24. 166 – Industry Related Residential Version (201029)

1

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

25
20
30
40

Reference: 406.3C

25. 165 – Industry Related Residential Version (201029)

1

Can a circuit breaker be used to switch 277 V fluorescent lighting circuits?

Yes, if they are marked SWD.
None of these statements are true
Yes, if they are marked HID
Both of these statements are true

Reference: 404.11, 240.83D

26. 164 – Industry Related Residential Version (201029)

1

Snap switches are required to be grounded ___________.

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

Reference: 404.9B

27. 162 – Industry Related Residential Version (201029)

1

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

4.5 feet
6 feet, 7 inches
6 feet
5 feet

Reference: 404.8A

28. 161 – Industry Related Residential Version (201029)

1

3-way and 4-way switches shall be wired so that all the switching is done in the ___________ conductor.

grounding
neutral
ungrounded
grounded

Reference: 404.2

29. 160 – Industry Related Residential Version (201029)

1

Flexible cord cannot be used as the ___________ wiring of a structure.

permanent
None of these statements are true
Both of these statements are true
temporary

Reference: 400.12

30. 158 – Industry Related Residential Version (201029)

1

Rigid Nonmetalic Conduit (RNC or PVC) is installed in a trench for a new service lateral. The local power company supplies the properly listed conduit in both gray and orange colors for the service and optics. The service lateral conduit can be ___________.

orange colored conduit
None of these statements are true
Two of these statements are true, the NEC is not clear on this.
grey colored conduit

Reference: 352.6 352.10

31. 157 – Industry Related Residential Version (201029)

1

A 1-inch Rigid Nonmetalic Conduit (RNC or PVC) has a field bend made with a blanket bender. The radius of the curve to the centerline shall not be less than _____ inches.

7 inches
What’s shown in Table 2, Chapter 9
8 inches
10 inches

Reference: 352.24

32. 156 – Industry Related Residential Version (201029)

1

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

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

Reference: 334.104

33. 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.

4.5
3
3.5
4

Reference: 334.30 B2

34. 154 – Industry Related Residential Version (201029)

1

The overall covering for type NMC cable shall be ___________.

flame retardant
moisture resistant
corrosion resistent
All of these statements are true

Reference: 334.116B

35. 153 – Industry Related Residential Version (201029)

1

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

Two 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.
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

Reference: 334.15B, 23

36. 151 – Industry Related Residential Version (201029)

1

A luminaire (light fixture) weighs over 50 pounds and it is supported from an outlet box. The code requires _____.

An outlet box cannot be used as support of the fixture.
The fixture be independently supported unless the box is listed over 50 pounds.
None of these statements are true
This installation be specifically approved by the authority having jurisdiction.

Reference: 314.27A

37. 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.

100
110
115
85

Reference: Table 310.16

38. 147 – Industry Related Residential Version (201029)

1

A #4 copper conductor used for a residential dwelling unit feeder panel is rated for at least _____ amperes.

110
100
85
115

Reference: Table 310.12

39. 145 – Industry Related Residential Version (201029)

1

There are 4 separate raceways used to enclose paralleled conductors.

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).
None of these statements are true
4 conduits may be rigid steel, the code is not clear on this

Reference: 310.10G

40. 144 – Industry Related Residential Version (201029)

1

NMB (romex) cable is installed in a standard 2 x 4 inch plastic nail-on junction box.

All of these statements are true
Equipment grounding conductors are also required to meet this free conductor length requirement.
A minimum of 6 inches of free conductor length is required for make-up and/or connection to devices.
The measurement of free conductor length in this junction box is taken from the back of the box where conductors emerge from the sheath.

Reference: 300.14

41. 143 – Industry Related Residential Version (201029)

1

A 24-volt landscape lighting system installed with UF cable in the yard of a residence is permitted with a minimum cover of _____ inches.

12
24
18
6

Reference: Table 300.5

42. 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?

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

Reference: Table 300.5

43. 141 – Industry Related Residential Version (201029)

1

A new service lateral is installed 36 inches deep in a trench and it is not encased in concrete. It shall have a warning ribbon (caution tape) installed a minimum of _____ inches above the lateral conductors.

6
12
18
24

Reference: 300.5D 3

44. 139 – Industry Related Residential Version (201029)

1

Which is not a true statement about equipment grounding conductors?

An equipment grounding conductor may be required to be larger than the hot wires.
Equipment grounding conductors shall be increased in size to compensate for voltage drop when the circuit conductors are.
One equipment grounding conductor may serve multiple circuits.
Equipment grounding conductors may be run in parallel.

Reference: 250.122A

45. 133 – Industry Related Residential Version (201029)

1

A structure has 2 separate services supplying the building.

Each service requires a separate grounding electrode system.
More than one service on a structure is never allowed.
Each service can have a separate grounding electrode system as long as they are bonded together to create one system.
Only one service would require a separate grounding electrode system.

Reference: 250.58

46. 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?

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

Reference: 250.54

47. 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 ___________.

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

Reference: 250.53

48. 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?

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

Reference: 250.53

49. 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 ___________.

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

Reference: 250.32B

50. 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
800
400
1000

Reference: 240.4B

51. 126 – Industry Related Residential Version (201029)

1

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

60
100
75
125

Reference: 230.79C

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.
A snap switch is allowed for the required disconnecting means.
No disconnecting means is required for this situation.

Reference: 225.36

53. 122 – Industry Related Residential Version (201029)

1

A living room in a dwelling unit has 3 entry points (doorways) into the room. What is the minimum requirement for the number of lighting outlet switches?

1
0
2, 3-way switches
3, 2 to 3-way and 1 4-way switch

Reference: 210.70A 1

54. 121 – Industry Related Residential Version (201029)

1

A wall switch in a dwelling unit can be installed ____.

None of these statements are true
Inside the room it serves
Outside the room it serves
Both of these statements are true

Reference: 210.70A

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.

Both A and B above are true statements.
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.
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.

Reference: 210.70, 52B 1

56. 117 – Industry Related Residential Version (201029)

1

In order for the required receptacle outlet in the back of a dwelling unit to serve also as the required outlet for the air-conditioning equipment on the side of the home, it must be located within _____ feet of the unit.

25
10
30
50

Reference: 210.63

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

Reference: 210.63

58. 114 – Industry Related Residential Version (201029)

1

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

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

Reference: 210.52

59. 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 12 inches of the wall
within 18 inches of the wall
within 24 inches of the wall

Reference: 210.52A 3

60. 110 – Industry Related Residential Version (201029)

1

Given an island cabinet in a dwelling unit kitchen where the countertop is flat and you can’t mount a receptacle within 20 inches above the countertop, the receptacle can be a maximum of _____ inches below the countertop and still count as one of the required outlets.

18
6
3
This receptacle is no longer required

Reference: 210.52 C2

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.

18
48
24
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
70
80
50

Reference: 210.23B1

63. 106 – Industry Related Residential Version (201029)

1

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

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

Reference: 210.12B

64. 105 – Industry Related Residential Version (201029)

1

A dwelling unit has a single bathroom roughed in with a dedicated 20-ampere branch circuit which serves an outlet, light and exhaust fan in that room.

A 15-ampere branch circuit is also allowed.
None of these statements are true
This is allowed.
This is not allowed by code.

Reference: 210.11C 3 ex

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.
No, never
Yes, all kitchen receptacles

Reference: 210.8A 6

66. 103 – Industry Related Residential Version (201029)

1

In a dwelling unit, a multiwire branch circuit supplying a split-wired receptacle is required to ___________.

have a provision at the source to simultaneously disconnect all ungrounded conductors.
have a separate neutral for each ungrounded conductor.
have color coded wires to help identify.
have at least 2 neutrals.

Reference: 210.4B

67. 102 – Industry Related Residential Version (201029)

1

A 10-2 romex is used as a 240-volt branch circuit for a hot water tank. The white insulated conductor shall be re-identified as a hot ungrounded conductor at the terminations.

This can be done with a black felt pen marker.
None of these statements are true
Both of these statements are true
This can be done with black phase tape.

Reference: 200.7C

68. 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 or HACR circuit breaker, the breaker does not have to be a HACR type if no fuses are used.
If the marking on the unit indicates fuses, the circuit breaker does have to be a HACR type

Reference: 110.3B

69. 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.
Single.
Double.
Triple.

Reference: 314.16B 4

70. 098 – Industry Related Residential Version (201029)

1

What is the minimum direct burial depth of Rigid Nonmetallic Conduit (RNC/PVC) on a residential 15 amp GFCI protected circuit rated 120 volts or less?

6 inches.
12 inches.
18 inches.
24 inches.

Reference: Table 300.5

71. 097 – Industry Related Residential Version (201029)

1

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

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

Reference: 225.30

72. 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…

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

Reference: 210.70A 2

73. 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.
Can be if 600 volt insulation.
Shall not be.
Can be.

Reference: 725.136A

74. 093 – Industry Related Residential Version (201029)

1

Which shall have ground fault circuit interrupter protection?

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

Reference: 680.43, 56A, 71

75. 092 – Industry Related Residential Version (201029)

1

An outdoor hot tub is installed…

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

Reference: 680.22A

76. 091 – Industry Related Residential Version (201029)

1

In case someone gets stuck under water on the intake opening, an emergency shutoff or control is required for a hot tub….

All of these statements are true
At least 5 feet away.
Within sight of the tub.
And is not required for single-family dwellings.

Reference: 680.41

77. 090 – Industry Related Residential Version (201029)

1

Which is not a requirement for swimming pool bonding?

The bonding conductor shall be attached to the remote panelboard.
All of these statements are true
The bonding conductor shall be attached to the electrode.
The bonding conductor shall be attached to the remote service equipment.

Reference: 680.26

78. 089 – Industry Related Residential Version (201029)

1

The number 8 solid copper conductor required for swimming pool bonding in the grid can be installed with…

Listed pressure connectors.
Any creative fitting.
Aluminum clamps.
Indoor type water pipe clamps.

Reference: 680.26B, 250.8

79. 087 – Industry Related Residential Version (201029)

1

The junction “deck box” for a no-niche luminaire (lighting fixture) for a swimming pool shall…

Not be less than 8 inches above pool water level.
Not be located in a walkway without protection.
All of these statements are true
Not be less than 4 inches above ground level.

Reference: 680.24A2

80. 086 – Industry Related Residential Version (201029)

1

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

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

Reference: 550.32F

81. 085 – Industry Related Residential Version (201029)

1

An outside mobile home disconnect shall…

Be within 30 feet of the home.
Be within 40 feet.
A disconnect is not required for a mobile home.
Be within sight of the home.

Reference: 550.32A

82. 084 – Industry Related Residential Version (201029)

1

A typical 240-volt mobile home feeder requires…

Three insulated conductors.
Four insulated conductors or three insulated conductors and a bare equipment grounding conductor.
None of these statements are true
Four insulated conductors.

Reference: 550.33B

83. 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.

20
All of these statements are true
15
30

Reference: 590.6A

84. 081 – Industry Related Residential Version (201029)

1

Dishwasher nameplate, 8 amps (Continuous Duty, 125%)… Disposal nameplate, 3 amps… (Intermittent Duty, 85%) Can these be on the same 20-amp circuit and what is the total ampacity?

Yes, 11 amps.
No, 15 amps.
Yes, 12.55 amps.
Yes, 13 amps.

Reference: 430.24

85. 080 – Industry Related Residential Version (201029)

1

Baseboard heaters…

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

Reference: 424.10 notes

86. 079 – Industry Related Residential Version (201029)

1

If a typical residential hot water tank is connected…

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

Reference: 422.31B

87. 077 – Industry Related Residential Version (201029)

1

Recessed fixtures (can lights)…

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.
Can have thermal insulation installed next to the enclosure or ballast if identified suitable for direct contact (IC type).
None of these statements are true

Reference: 410.116A&B

88. 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…

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

Reference: 410.16D

89. 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.

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

Reference: 410.10D

90. 072 – Industry Related Residential Version (201029)

1

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

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

Reference: 406.4D

91. 070 – Industry Related Residential Version (201029)

1

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

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

Reference: 404.9B

92. 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. 7 inches.
6 ft. 6 inches.
6 ft. 8 inches.
6 ft.

Reference: 404.8

93. 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.

6
4
5
8

Reference: 334.15B

94. 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.

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

Reference: 334.10

95. 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
This conduit can be 20 feet in length.
Nonmetallic-Sheathed Cable (romex) is allowed to be installed in this raceway.

Reference: 312.5C

96. 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?

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

Reference: 310.12A

97. 056 – Industry Related Residential Version (201029)

1

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

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

Reference: 310.12A

98. 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.

18
12
36
24

Reference: 310.15C 1

99. 054 – Industry Related Residential Version (201029)

1

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

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

Reference: 300.22C_ex

100. 053 – Industry Related Residential Version (201029)

1

In a multiwire branch circuit…

None of these statements are true
The ungrounded conductors (hots) shall be made up so if a device is removed it will not interrupt continuity.
Both A & B above are true.
The grounded conductors (Neutrals) shall be made up so if a device is removed it will not interrupt continuity.

Reference: 300.13B

101. 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; 10.
18; 8.
24; 8.
18; 10.

Reference: 300.5D 1

102. 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.

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

Reference: 300.5D 3

103. 048 – Industry Related Residential Version (201029)

1

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

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

Reference: Table 300.5_notes

104. 047 – Industry Related Residential Version (201029)

1

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

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

Reference: 250.140

105. 046 – Industry Related Residential Version (201029)

1

Listed Flexible Metallic (Flex) Conduit is an approved grounding means when…

Conductors installed in the flex are rated 30 amps and on a 30 amp breaker maximum.
The total lengths of flex in a combined run are not longer than 6 feet.
All of these statements are true
The longest section of flex in a combined run is 6 feet.

Reference: 250.118 5

106. 045 – Industry Related Residential Version (201029)

1

Which is a true statement?

An EMT conduit, which contains a grounding electrode conductor, needs to be bonded at one end only.
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.

Reference: 250.64E

107. 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
If practicable, they need to be installed below moisture level.
They can be driven at a 45* angle if rock is found.
They can, as a last resort, be buried in a 2 1/2 ft. deep ditch.

Reference: 250.53A 4

108. 043 – Industry Related Residential Version (201029)

1

Ground rods must be driven and can have…

2 inches above grade level for the clamp.
6 inches above grade level for the clamp
0 inches above grade level for the clamp.
6 inches below grade level for the clamp

Reference: 250.53A 4

109. 042 – Industry Related Residential Version (201029)

1

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

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

Reference: 250.53D 2

110. 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
5, 10 feet
10, anywhere
10, 20 feet

Reference: 250.52A, 250.68C

111. 040 – Industry Related Residential Version (201029)

1

When an existing second building is supplied from the first, the neutral can be bonded when…

An equipment-grounding conductor is not ran.
Both of these statements are true
There are not metal pipes or other continuous metal paths between the buildings.
None of these statements are true

Reference: 250.32B ex

112. 038 – Industry Related Residential Version (201029)

1

The minimum service entrance conductor ampacity is…

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

Reference: 230.79

113. 037 – Industry Related Residential Version (201029)

1

Which is not an acceptable grouping of service disconnects?

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

Reference: 230.72

114. 036 – Industry Related Residential Version (201029)

1

As a general rule, overhead service weatherheads…

Can be both above or below within 30 inches of the attachment of the service drop.
Shall be at the point of attachment of the service drop.
Shall be above the point of attachment of the service drop.
Shall be below the point of attachment of the service drop.

Reference: 230.54C

115. 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.
Cannot be spliced.
Can be spliced.

Reference: 230.46

116. 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
None of these statements are true
You can have one disconnect at and for the home and another at and for the shop. (A meter loop.)
At the meter, you can have 2 disconnects grouped together outside, one for the home, the other for the shop.

Reference: 230.40 ex 3

117. 033 – Industry Related Residential Version (201029)

1

Service-drops not over 600 volts require…

18 ft. of clearance over parking areas.
All of these statements are true
8 ft. of clearance over sidewalks.
10 ft. of clearance over residential property driveways.

Reference: 230.24B

118. 032 – Industry Related Residential Version (201029)

1

Open service conductors installed on buildings require…

3 feet minimum clearance from windows if they can be opened.
4 feet minimum clearance from windows if they can be opened.
4 feet minimum clearance from windows.
3 feet minimum clearance from windows.

Reference: 230.9A

119. 031 – Industry Related Residential Version (201029)

1

An outside pole light…

Requires a disconnect on or at the pole.
None of these statements are true
Requires a lockout at the panel.
Does not require a disconnect on or at the pole.

Reference: 225.31 ex 4

120. 030 – Industry Related Residential Version (201029)

1

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

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.
A disconnect is required at building #2.
Building #2 is limited to 8 disconnects grouped in one location.

Reference: 225.31, 36, 37

121. 029 – Industry Related Residential Version (201029)

1

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

50
25
40
35

Reference: Table 220.45

122. 028 – Industry Related Residential Version (201029)

1

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

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

Reference: 210.70A

123. 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

124. 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?

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

Reference: 210.63

125. 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)?

8
5
7
6

Reference: 210.52, 220.41

126. 022 – Industry Related Residential Version (201029)

1

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

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.
Two additional outlets are required in the unfinished portion.

Reference: 210.52G

127. 020 – Industry Related Residential Version (201029)

1

In a dwelling unit bathroom, a receptacle is required on the wall next to the sink within…

12 inches.
24 inches.
36 inches.
18 inches.

Reference: 210.52D

128. 018 – Industry Related Residential Version (201029)

1

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

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

Reference: 210.52B 1&2

129. 017 – Industry Related Residential Version (201029)

1

A GFCI protected 20-amp small appliance branch circuit…

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

Reference: 210.52B 3

130. 015 – Industry Related Residential Version (201029)

1

A receptacle outlet for a dwelling refrigerator….

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

Reference: 210.52B1, 210.8

131. 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?

13
10
11
12

Reference: Table 210.21B 2

132. 010 – Industry Related Residential Version (201029)

1

In a dwelling unit, the washing machine shall _____.

Both of these statements are true
None 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.
be installed on a separate 20-amp circuit.

Reference: 210.11C

133. 009 – Industry Related Residential Version (201029)

1

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

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

Reference: 210.8A

134. 008 – Industry Related Residential Version (201029)

1

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

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

Reference: 210.8A

135. 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.

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

136. 006 – Industry Related Residential Version (201029)

1

A multiwire branch circuit for a hot water tank using a line-to-line load requires…

None of these statements are true
A double pole circuit breaker.
Two single pole breakers with an approved handle tie.
Both of these statements are true

Reference: 240.15B, 210.4B

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 shall be white with a colored green stripe.
None of these statements are true
The white conductor must be permanently re-identified where visible.

Reference: 200.7C

138. 004 – Industry Related Residential Version (201029)

1

A neutral conductor sizes ____ or smaller shall be identified by continuous gray or white insulation.

#4.
#8.
#10.
#6.

Reference: 200.6A

139. 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.

6.5
25
15
10

Reference: 110.26A 3

140. 001 – Industry Related Residential Version (201029)

1

An area is considered a bathroom if…

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

Reference: Definitions

(253) 401-6817

1. 199 – Industry Related Residential Version (201029)

2. 198 – Industry Related Residential Version (201029)

3. 197 – Industry Related Residential Version (201029)

4. 196 – Industry Related Residential Version (201029)

5. 195 – Industry Related Residential Version (201029)

6. 194 – Industry Related Residential Version (201029)

7. 193 – Industry Related Residential Version (201029)

8. 191 – Industry Related Residential Version (201029)

9. 190 – Industry Related Residential Version (201029)

10. 188 – Industry Related Residential Version (201029)

11. 187 – Industry Related Residential Version (201029)

12. 186 – Industry Related Residential Version (201029)

13. 183 – Industry Related Residential Version (201029)

14. 182 – Industry Related Residential Version (201029)

15. 181 – Industry Related Residential Version (201029)

16. 180 – Industry Related Residential Version (201029)

17. 179 – Industry Related Residential Version (201029)

18. 178 – Industry Related Residential Version (201029)

19. 177 – Industry Related Residential Version (201029)

20. 175 – 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. 166 – Industry Related Residential Version (201029)

25. 165 – Industry Related Residential Version (201029)

26. 164 – Industry Related Residential Version (201029)

27. 162 – Industry Related Residential Version (201029)

28. 161 – Industry Related Residential Version (201029)

29. 160 – Industry Related Residential Version (201029)

30. 158 – Industry Related Residential Version (201029)

31. 157 – Industry Related Residential Version (201029)

32. 156 – Industry Related Residential Version (201029)

33. 155 – Industry Related Residential Version (201029)

34. 154 – Industry Related Residential Version (201029)

35. 153 – Industry Related Residential Version (201029)

36. 151 – Industry Related Residential Version (201029)

37. 148 – Industry Related Residential Version (201029)

38. 147 – Industry Related Residential Version (201029)

39. 145 – Industry Related Residential Version (201029)

40. 144 – Industry Related Residential Version (201029)

41. 143 – Industry Related Residential Version (201029)

42. 142 – Industry Related Residential Version (201029)

43. 141 – Industry Related Residential Version (201029)

44. 139 – Industry Related Residential Version (201029)

45. 133 – Industry Related Residential Version (201029)

46. 132 – Industry Related Residential Version (201029)

47. 131 – Industry Related Residential Version (201029)

48. 130 – Industry Related Residential Version (201029)

49. 128 – Industry Related Residential Version (201029)

50. 127 – Industry Related Residential Version (201029)

51. 126 – Industry Related Residential Version (201029)

52. 124 – Industry Related Residential Version (201029)

53. 122 – Industry Related Residential Version (201029)

54. 121 – Industry Related Residential Version (201029)

55. 119 – Industry Related Residential Version (201029)

56. 117 – Industry Related Residential Version (201029)

57. 116 – Industry Related Residential Version (201029)

58. 114 – Industry Related Residential Version (201029)

59. 113 – Industry Related Residential Version (201029)

60. 110 – Industry Related Residential Version (201029)

61. 109 – Industry Related Residential Version (201029)

62. 108 – Industry Related Residential Version (201029)

63. 106 – Industry Related Residential Version (201029)

64. 105 – Industry Related Residential Version (201029)

65. 104 – Industry Related Residential Version (201029)

66. 103 – Industry Related Residential Version (201029)

67. 102 – Industry Related Residential Version (201029)

68. 101 – Industry Related Residential Version (201029)

69. 099 – Industry Related Residential Version (201029)

70. 098 – Industry Related Residential Version (201029)

71. 097 – Industry Related Residential Version (201029)

72. 096 – Industry Related Residential Version (201029)

73. 095 – Industry Related Residential Version (201029)

74. 093 – Industry Related Residential Version (201029)

75. 092 – Industry Related Residential Version (201029)

76. 091 – Industry Related Residential Version (201029)

77. 090 – Industry Related Residential Version (201029)

78. 089 – Industry Related Residential Version (201029)

79. 087 – Industry Related Residential Version (201029)