IEC Final Second Year Questions and Correct Answers Latest Update, Graded A+
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Course
IEC
Institution
IEC
Anex _____ in the NEC contains examples of load calculations for dwellings.
o :## D
Which of the installations listed below would be a wet location?
-a receptacle installed on the exterior wall of a building
- a run of PVC conduit installed on a fishing pier
-a luminaire installed on a parking...
IEC Final Second Year Questions and
Correct Answers Latest Update,
Graded A+
Anex _____ in the NEC contains examples of load calculations for dwellings.
o :## D
Which of the installations listed below would be a wet location?
-a receptacle installed on the exterior wall of a building
- a run of PVC conduit installed on a fishing pier
-a luminaire installed on a parking lot pole
o :## all of these
Which of the following is an example of a bare conductor?
- a 12 awg THHN copper wire
- the bare ground wire contained within romex (NM cable) sheathing
-the bare aluminum wire twisted with triplex
o :## the bare aluminum wire twisted with triplex
Which of the following statements is TRUE for an individual (or dedicated) branch
circuit that is run in a conduit with other circuits?
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
,2|Page : 2024 | Grade A+
o :## it can share a neutral with another circuit
Equipment designed to open circuits under ____ shall have an interrupting rating
not less than the nominal circuit voltage and the current that is available at the
line side of the equipment.
- short circuit
-overload
-ground fault
o :## all of these
The NEC permits the insulation for an ungrounded conductor to be _____ in color.
- orange
-black
-brown
-yellow
o :## any of these
Which of the following locations requires that a three-way switch be installed at
the lower landing and another three-way switch be installed at the upper landing
to control the stair way lighting between the 1st and 2nd floors?
o :## a townhome
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 3|Page : 2024 | Grade A+
A 175- amp breaker protects a feeder that originates in a 277/480-volt, 3-ph, 4
wire service panel in an office building. Which of the following conductors is the
smallest size permitted for the feeder ?
o :## 2/0
A 200-amp breaker protects a feeder that originates in a 120/240 volt, 3 ph, 4 wire
service panel in a movie theatre. Which of the following THHN/THWN conductors is
the smallest size permitted for the feeder ?
o :## 3/0
The maximum number of 3-pole circuit breakers used as service disconnects
permitted in a 3 phase panelboard is ______.
o :## 6
Which of the following are characteristics of THHN/THWN insulation?
- heat-resistant
- a nylon outer covering or some equivalent
- flame retardant
-moisture-resistant
o :## all of these
For the purpose of determining the number of current-carrying conductors in a
cable or conduit, the neutral _____ counted when the branch circuit is 120/240-
volt, 1 phase, 3 wire connected to a 120/240-volt, 3 phase delta, 4 wire
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
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