IEC YEAR 1 FINAL PAPER 2026 QUESTIONS
WITH ANSWERS GRADED A+
◉ A qualified person must be trained in the skills and techniques to
determine nominal voltage.
Select one:
a.True
b.False. Answer: a. true
◉ A(n) ___ uses voltages in the range of 50 to 5000 volts to test for
insulation damage to conductors or windings.
Select one:
a.megohmmeter
b.ammeter
c.oscilloscope
d.none of these. Answer: a. megohmmeter
◉ The training section of an electrical safety program identifies all
training required for contractors and vendors.
,Select one:
a.True
b.False. Answer: a. true
◉ A(n) ___ is a noncontact temperature probe that senses the infrared
energy emitted by a material.
Select one:
a.ground resistance tester
b.digital logic probe
c.infrared temperature probe
d.optical time domain reflectometer. Answer: c. infrared temperature
probe
◉ Transient voltages occur due to ___.
Select one:
a.unfiltered electrical equipment
b.power switching, ON and OFF
c.lightning strikes
d.all of these. Answer: d. all of these
,◉ Before removing a fuse, the circuit should be de-energized.
Select one:
a.True
b.False. Answer: a. true
◉ An analog meter is ___ than a digital meter.
Select one:
a.less susceptible to electrical noise
b.less accurate
c.both a and b
d.neither a nor b. Answer: c. both a and b
◉ Ghost voltages appear on meter displays when the meter is within the
electromagnetic field of nearby current-carrying conductors, fluorescent
lighting, or operating electrical equipment. This ghost voltage appears
when the meter ___ connected to an energized circuit.
Select one:
a.is
b.is not. Answer: b. is not
, ◉ A ___ can be utilized to indicate that a GFCI device has been tripped.
Select one:
a.voltage tester
b.plug-in GFCI receptacle tester
c.either a or b
d.neither a nor b. Answer: c. either a or b
◉ A(n) ___ is used to ensure that a motor rotates in the correct direction
when connected to a circuit.
Select one:
a.oscilloscope
b.megohmmeter
c.phase sequence indicator
d.digital logic probe
e.ammeter. Answer: c. phase sequence indicator
◉ ___ is indicated on a clamp-on ammeter when placed within the
magnetic field produced around a single conductor.
WITH ANSWERS GRADED A+
◉ A qualified person must be trained in the skills and techniques to
determine nominal voltage.
Select one:
a.True
b.False. Answer: a. true
◉ A(n) ___ uses voltages in the range of 50 to 5000 volts to test for
insulation damage to conductors or windings.
Select one:
a.megohmmeter
b.ammeter
c.oscilloscope
d.none of these. Answer: a. megohmmeter
◉ The training section of an electrical safety program identifies all
training required for contractors and vendors.
,Select one:
a.True
b.False. Answer: a. true
◉ A(n) ___ is a noncontact temperature probe that senses the infrared
energy emitted by a material.
Select one:
a.ground resistance tester
b.digital logic probe
c.infrared temperature probe
d.optical time domain reflectometer. Answer: c. infrared temperature
probe
◉ Transient voltages occur due to ___.
Select one:
a.unfiltered electrical equipment
b.power switching, ON and OFF
c.lightning strikes
d.all of these. Answer: d. all of these
,◉ Before removing a fuse, the circuit should be de-energized.
Select one:
a.True
b.False. Answer: a. true
◉ An analog meter is ___ than a digital meter.
Select one:
a.less susceptible to electrical noise
b.less accurate
c.both a and b
d.neither a nor b. Answer: c. both a and b
◉ Ghost voltages appear on meter displays when the meter is within the
electromagnetic field of nearby current-carrying conductors, fluorescent
lighting, or operating electrical equipment. This ghost voltage appears
when the meter ___ connected to an energized circuit.
Select one:
a.is
b.is not. Answer: b. is not
, ◉ A ___ can be utilized to indicate that a GFCI device has been tripped.
Select one:
a.voltage tester
b.plug-in GFCI receptacle tester
c.either a or b
d.neither a nor b. Answer: c. either a or b
◉ A(n) ___ is used to ensure that a motor rotates in the correct direction
when connected to a circuit.
Select one:
a.oscilloscope
b.megohmmeter
c.phase sequence indicator
d.digital logic probe
e.ammeter. Answer: c. phase sequence indicator
◉ ___ is indicated on a clamp-on ammeter when placed within the
magnetic field produced around a single conductor.
