IEC Final Exam Questions and Correct Answers the Latest Update and Recommended Version
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Course
IEC
Institution
IEC
Which of these is the symbol used for a 4-way switch?
→ c.$4
Lighted handle toggle switches utilize a neon lamp that is illuminated when the switch is in the
___ position.
→ b.OFF
The ungrounded conductor is often called the ___.
→ hot
Drawing ___ in Figure 112.415 is a framed locking...
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 ___.
→ 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.
→ N/A
For stairway lighting, a typical installation is to install a 3-way switching system. For a
commercial building, ___ for stairway lighting control.
→ 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).
→ 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).
→ none of these
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