INDUSTRIAL ELECTRICIAN V5 (NCCER)
EXAM QUESTIONS WITH COMPLETE
ANSWERS
The PEAK voltage in a normal 120/208 VAC system is: - Answer-170 V.
What is a fish tape used for? - Answer-Pulling wire or rope through conduit
As the ambient temperature surrounding a self-regulating heating cable gets warmer,
the - Answer-Increases.
Rubber personnel protective insulating equipment must be marked with the appropriate
voltage rating and - Answer-Expiration date.
Which plan indicates the location of structures and equipment on a property? - Answer-
Site
THWN conductors have an outer jacket made of: - Answer-Nylon
Which of the following is the classified location where combustible vapors are always
present? - Answer-Class I Div I
When installing more than one ground rod, what is the MINIMUM spacing between rods
- Answer-10 ft.
The length of bare copper conductor in a ground ring MUST be buried no less than 2.5'
below grade and - Answer-10 ft.
What is the purpose of sealing cable ends that are in storage? - Answer-To keep
moisture from entering in.
What is the multiplier from calculating a 45-degree offset when conduit is being bent? -
Answer-1.414
Where raceways connect an enclosure required to be dust/ ignition proof to an
enclosure in an UNCLASSIFIED location - Answer-Not required.
Which typed of rigid metal conduit would be most appropriate for a corrosive
environment? - Answer-Stainless steel
A material with poor electrical conducting properties is a good - Answer-Insulator
Insulation on the barrel of crimp connectors for wires sized 22-16 AWG are typically
colored. - Answer-Red
, A protective device for limiting voltage spikes by discharging or bypassing surge current
is called a - Answer-Surge protector.
A Type LB conduit body has the cover on - Answer-The back.
All of the following are common service voltage in the United States EXCEPT - Answer-
372/575 three-phase, four-wire.
Why should the test leads of a "megger" NEVER be touched by anyone when in use? -
Answer-It could result in an electrical shock.
What is the purpose of lockout/ tagout? - Answer-Prevent operation.
With a row of 3-4" conduits and second row of 3-2" and 2-1" conduits for a angle pull
box what is the MINIMUM distance between the pull box? - Answer-32"
How should heat-shrink insulators be installed? - Answer-The insulator should be
slipped over the connector and heat should be applied for a few seconds
A megohmmeter will be used to check a cable. The electrician MUST be sure that the
circuit is - Answer-De-energized and locked, tagged out, and tested.
In a typical 3 wire start/stop station, where will the incoming control voltage wire be
terminated? - Answer-Stop button normally closed
Exposed field-routed electrical conduit SHOULD be installed so that it - Answer-Is
plumb and level.
Which electrical values CANNOT be tested using a VOM(multimeter)? - Answer-Watts
Who is allowed to remove another electricians tag or lock from any valve, switch, or
piece of equipment without proper authorization? - Answer-No one.
What is the PRIMARY consideration in selecting the rope for a cable pull? - Answer-
Low stretch
A 1500 KVA three phase transformer has a secondary voltage of 480/277. What is the
secondary full load amperage? - Answer-5.42
What is the MINIMUM distance between raceway entries allowed in a pull box for angle
pills? - Answer-6x the largest trade size raceway
True power is measured in: - Answer-Watts
EXAM QUESTIONS WITH COMPLETE
ANSWERS
The PEAK voltage in a normal 120/208 VAC system is: - Answer-170 V.
What is a fish tape used for? - Answer-Pulling wire or rope through conduit
As the ambient temperature surrounding a self-regulating heating cable gets warmer,
the - Answer-Increases.
Rubber personnel protective insulating equipment must be marked with the appropriate
voltage rating and - Answer-Expiration date.
Which plan indicates the location of structures and equipment on a property? - Answer-
Site
THWN conductors have an outer jacket made of: - Answer-Nylon
Which of the following is the classified location where combustible vapors are always
present? - Answer-Class I Div I
When installing more than one ground rod, what is the MINIMUM spacing between rods
- Answer-10 ft.
The length of bare copper conductor in a ground ring MUST be buried no less than 2.5'
below grade and - Answer-10 ft.
What is the purpose of sealing cable ends that are in storage? - Answer-To keep
moisture from entering in.
What is the multiplier from calculating a 45-degree offset when conduit is being bent? -
Answer-1.414
Where raceways connect an enclosure required to be dust/ ignition proof to an
enclosure in an UNCLASSIFIED location - Answer-Not required.
Which typed of rigid metal conduit would be most appropriate for a corrosive
environment? - Answer-Stainless steel
A material with poor electrical conducting properties is a good - Answer-Insulator
Insulation on the barrel of crimp connectors for wires sized 22-16 AWG are typically
colored. - Answer-Red
, A protective device for limiting voltage spikes by discharging or bypassing surge current
is called a - Answer-Surge protector.
A Type LB conduit body has the cover on - Answer-The back.
All of the following are common service voltage in the United States EXCEPT - Answer-
372/575 three-phase, four-wire.
Why should the test leads of a "megger" NEVER be touched by anyone when in use? -
Answer-It could result in an electrical shock.
What is the purpose of lockout/ tagout? - Answer-Prevent operation.
With a row of 3-4" conduits and second row of 3-2" and 2-1" conduits for a angle pull
box what is the MINIMUM distance between the pull box? - Answer-32"
How should heat-shrink insulators be installed? - Answer-The insulator should be
slipped over the connector and heat should be applied for a few seconds
A megohmmeter will be used to check a cable. The electrician MUST be sure that the
circuit is - Answer-De-energized and locked, tagged out, and tested.
In a typical 3 wire start/stop station, where will the incoming control voltage wire be
terminated? - Answer-Stop button normally closed
Exposed field-routed electrical conduit SHOULD be installed so that it - Answer-Is
plumb and level.
Which electrical values CANNOT be tested using a VOM(multimeter)? - Answer-Watts
Who is allowed to remove another electricians tag or lock from any valve, switch, or
piece of equipment without proper authorization? - Answer-No one.
What is the PRIMARY consideration in selecting the rope for a cable pull? - Answer-
Low stretch
A 1500 KVA three phase transformer has a secondary voltage of 480/277. What is the
secondary full load amperage? - Answer-5.42
What is the MINIMUM distance between raceway entries allowed in a pull box for angle
pills? - Answer-6x the largest trade size raceway
True power is measured in: - Answer-Watts
