1
IEC YEAR 1 FINAL NEWEST ACTUAL 2025/2026 EXAM
STUDY WITH COMPLETE ANSWERS .
VERIFIED/GRADED A+
Which of these is the symbol used for a 4-way switch? - (ANSWER)c.$4
Lighted handle toggle switches utilize a neon lamp that is illuminated when the
switch is in the ___ position. - (ANSWER)b.OFF
The ungrounded conductor is often called the ___. - (ANSWER)hot
Drawing ___ in Figure 112.415 is a framed locking (not key-lock) type switch. -
(ANSWER)Not D.VI or E.None of these
To convert a conventional duplex receptacle into a split-wired receptacle, the ___
is removed. - (ANSWER)tab
Refer to Figure 112.31. The light is ___. - (ANSWER)switched
Refer to Figure 128.110. Which of the drawings shows the (3-lamp) 2 x 4
luminaire correctly connected? The "outboard" or 2-lamp ballast is to be
controlled from switch #1 and the "inboard" or 1-lamp ballast is to be controlled
from switch #2. - (ANSWER)neither I nor II
, 2
The attachment cord cap (plug) shown in Figure 112.233 is connected to a table
lamp. Tab 2 is connected to the ___ conductor of the branch circuit when the cord
cap is plugged into a wall receptacle. - (ANSWER)Not ungrounded
What type of switch would you use to control a lighting load from one location
only? - (ANSWER)Single pole
SPST is an abbreviation for ___. - (ANSWER)Single Pole-Single Throw
The neutral conductor of a 120-volt circuit is referred to as the ___ conductor in
the NEC®. - (ANSWER)grounded
The "hot" conductor of a circuit is referred to as the ___ conductor in the NEC®. -
(ANSWER)ungrounded
When installed as the neutral for a 120-volt circuit, the neutral is considered to be
a current-carrying conductor. - (ANSWER)True
Which of the following is an example of a "device?" - (ANSWER)GFCI receptacle
The color of the insulation of a neutral conductor that is 8 AWG shall be ___.
I. white II. bare III. gray - (ANSWER)I or III only
, 3
An insulated grounded conductor of 6 AWG or smaller shall be identified by a
continuous white or gray outer finish or by ___ continuous white stripes on other
than green insulation along its entire length. - (ANSWER)3
What conductor in a circuit cannot be marked with a color of white or gray?
I. grounded II. equipment grounding III. ungrounded - (ANSWER)II & III only
Where installed in conduit, which of the following wire colors are permitted for
"hots," travelers, and switch legs of a circuit?
I. black, red, and blue
II. brown, orange, and yellow
III. pink, black, and blue - (ANSWER)I or II or III
What conductor in a circuit can be marked with a green color?
I. grounded II. equipment grounding III. ungrounded - (ANSWER)II only
A luminaire has one blue wire and one white wire for field connection. When
using cable (NM, AC, or MC for example), the wire connected to the blue wire
from the luminaire ___. - (ANSWER)must have colored insulation (not green or
white or gray)
The Code section that addresses sensor (automatic) control of lighting in a
restaurant bathroom is ___. Select N/A (not applicable) if there is not a Code
reference for this. - (ANSWER)N/A
, 4
For stairway lighting, a typical installation is to install a 3-way switching system.
For a commercial building, ___ for stairway lighting control. - (ANSWER)there are
no NEC® requirements
Both lamps are to be controlled from the switch. Which of the connection
diagrams shown in Figure 112.511 is wired to operate correctly and does not
violate 200.7 in the NEC®? Type AC 12-2 and 12-3 cables are used between the
outlet boxes. Future wall access is available as required in NEC® 404.2(C)(2). -
(ANSWER)IV only
Refer to Figure 112.512. The lamp on the right is to be ON constantly (as a night
light) and the lamp on the left is to be controlled from the switch. Which of the
connection diagrams is wired to operate correctly and does not violate 200.7 in
the NEC®? Type AC 12-2 and 12-3 cables are used between the outlet boxes.
Future wall access is available as required in NEC® 404.2(C)(2). - (ANSWER)none
of these
The lamp shown in Figure 122.514 is to be controlled from either switch. Which of
the following statements is true for Connection Diagram B? No wall access is
available for future cable installation.
I. It is wired to operate correctly.
II. The markings on the white conductor do not violate 200.7(C)(1) in the NEC®.
III. This installation meets the requirements of NEC® 404.2(C). - (ANSWER)Not I &
II only
IEC YEAR 1 FINAL NEWEST ACTUAL 2025/2026 EXAM
STUDY WITH COMPLETE ANSWERS .
VERIFIED/GRADED A+
Which of these is the symbol used for a 4-way switch? - (ANSWER)c.$4
Lighted handle toggle switches utilize a neon lamp that is illuminated when the
switch is in the ___ position. - (ANSWER)b.OFF
The ungrounded conductor is often called the ___. - (ANSWER)hot
Drawing ___ in Figure 112.415 is a framed locking (not key-lock) type switch. -
(ANSWER)Not D.VI or E.None of these
To convert a conventional duplex receptacle into a split-wired receptacle, the ___
is removed. - (ANSWER)tab
Refer to Figure 112.31. The light is ___. - (ANSWER)switched
Refer to Figure 128.110. Which of the drawings shows the (3-lamp) 2 x 4
luminaire correctly connected? The "outboard" or 2-lamp ballast is to be
controlled from switch #1 and the "inboard" or 1-lamp ballast is to be controlled
from switch #2. - (ANSWER)neither I nor II
, 2
The attachment cord cap (plug) shown in Figure 112.233 is connected to a table
lamp. Tab 2 is connected to the ___ conductor of the branch circuit when the cord
cap is plugged into a wall receptacle. - (ANSWER)Not ungrounded
What type of switch would you use to control a lighting load from one location
only? - (ANSWER)Single pole
SPST is an abbreviation for ___. - (ANSWER)Single Pole-Single Throw
The neutral conductor of a 120-volt circuit is referred to as the ___ conductor in
the NEC®. - (ANSWER)grounded
The "hot" conductor of a circuit is referred to as the ___ conductor in the NEC®. -
(ANSWER)ungrounded
When installed as the neutral for a 120-volt circuit, the neutral is considered to be
a current-carrying conductor. - (ANSWER)True
Which of the following is an example of a "device?" - (ANSWER)GFCI receptacle
The color of the insulation of a neutral conductor that is 8 AWG shall be ___.
I. white II. bare III. gray - (ANSWER)I or III only
, 3
An insulated grounded conductor of 6 AWG or smaller shall be identified by a
continuous white or gray outer finish or by ___ continuous white stripes on other
than green insulation along its entire length. - (ANSWER)3
What conductor in a circuit cannot be marked with a color of white or gray?
I. grounded II. equipment grounding III. ungrounded - (ANSWER)II & III only
Where installed in conduit, which of the following wire colors are permitted for
"hots," travelers, and switch legs of a circuit?
I. black, red, and blue
II. brown, orange, and yellow
III. pink, black, and blue - (ANSWER)I or II or III
What conductor in a circuit can be marked with a green color?
I. grounded II. equipment grounding III. ungrounded - (ANSWER)II only
A luminaire has one blue wire and one white wire for field connection. When
using cable (NM, AC, or MC for example), the wire connected to the blue wire
from the luminaire ___. - (ANSWER)must have colored insulation (not green or
white or gray)
The Code section that addresses sensor (automatic) control of lighting in a
restaurant bathroom is ___. Select N/A (not applicable) if there is not a Code
reference for this. - (ANSWER)N/A
, 4
For stairway lighting, a typical installation is to install a 3-way switching system.
For a commercial building, ___ for stairway lighting control. - (ANSWER)there are
no NEC® requirements
Both lamps are to be controlled from the switch. Which of the connection
diagrams shown in Figure 112.511 is wired to operate correctly and does not
violate 200.7 in the NEC®? Type AC 12-2 and 12-3 cables are used between the
outlet boxes. Future wall access is available as required in NEC® 404.2(C)(2). -
(ANSWER)IV only
Refer to Figure 112.512. The lamp on the right is to be ON constantly (as a night
light) and the lamp on the left is to be controlled from the switch. Which of the
connection diagrams is wired to operate correctly and does not violate 200.7 in
the NEC®? Type AC 12-2 and 12-3 cables are used between the outlet boxes.
Future wall access is available as required in NEC® 404.2(C)(2). - (ANSWER)none
of these
The lamp shown in Figure 122.514 is to be controlled from either switch. Which of
the following statements is true for Connection Diagram B? No wall access is
available for future cable installation.
I. It is wired to operate correctly.
II. The markings on the white conductor do not violate 200.7(C)(1) in the NEC®.
III. This installation meets the requirements of NEC® 404.2(C). - (ANSWER)Not I &
II only
