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IEC SECOND YEAR FINAL EXAM 2025 | ALL
QUESTIONS AND CORRECT ANSWERS | ALREADY
GRADED A+ | VERIFIED ANSWERS | LATEST VERSION
Anex _____ in the NEC contains examples of load calculations for dwellings. -
(answers)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 - (answers)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 - (answers)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? - (answers)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.
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- short circuit
-overload
-ground fault - (answers)all of these
The NEC permits the insulation for an ungrounded conductor to be _____ in color.
- orange
-black
-brown
-yellow - (answers)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? - (answers)a
townhome
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 ? - (answers)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 ? - (answers)3/0
IEC SECOND YEAR FINAL EXAM 2025 | ALL
QUESTIONS AND CORRECT ANSWERS | ALREADY
GRADED A+ | VERIFIED ANSWERS | LATEST VERSION
Anex _____ in the NEC contains examples of load calculations for dwellings. -
(answers)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 - (answers)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 - (answers)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? - (answers)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.
, 2|Page
- short circuit
-overload
-ground fault - (answers)all of these
The NEC permits the insulation for an ungrounded conductor to be _____ in color.
- orange
-black
-brown
-yellow - (answers)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? - (answers)a
townhome
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 ? - (answers)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 ? - (answers)3/0
