ELECTRICAL NCCER TEST QUESTIONS
AND CORRECT ANSWERS
How should heat-shrink insulators be installed? -correct-answer-the insulator
should be slipped over the connector and heat should be applied for a few
seconds
The conductor used to connect the system grounded conductor or the equipment
to a grounding electrode or to a point on the grounding electrode system is called
a grounding: -correct-answer-electrode conductor
A material with poor electrical conducting properties is a good -correct-
answer-
insulator
A current transformer has a rating of 4000:5. If 2000 amps load is on the
primary, the secondary output would produce: -correct-answer-2.5 amps
Type LB conduit body has the cover on: -correct-answer-the back
, What is the purpose of lockout/tagout? -correct-answer-prevent operation
Why should the proper rope be selected for a cable pull? -correct-answer-to
maximize safety
An electrician that attempts to install or remove energized fuses will be
exposed to the risk of an electrical shock and an electrical: -correct-answer-
arc.
What is the approximate developed length of a 40" radius 90" bend? -
correct- answer-63
Which of the following is the classified location where combustible dust may be
present? -correct-answer-Class I Div I
Which of the following is the classified location where combustible fibers are
always present? -correct-answer-Class III, Div
When installing more than one ground rod, what is the MINIMUM spacing
between rods? -correct-answer-6 ft.
AND CORRECT ANSWERS
How should heat-shrink insulators be installed? -correct-answer-the insulator
should be slipped over the connector and heat should be applied for a few
seconds
The conductor used to connect the system grounded conductor or the equipment
to a grounding electrode or to a point on the grounding electrode system is called
a grounding: -correct-answer-electrode conductor
A material with poor electrical conducting properties is a good -correct-
answer-
insulator
A current transformer has a rating of 4000:5. If 2000 amps load is on the
primary, the secondary output would produce: -correct-answer-2.5 amps
Type LB conduit body has the cover on: -correct-answer-the back
, What is the purpose of lockout/tagout? -correct-answer-prevent operation
Why should the proper rope be selected for a cable pull? -correct-answer-to
maximize safety
An electrician that attempts to install or remove energized fuses will be
exposed to the risk of an electrical shock and an electrical: -correct-answer-
arc.
What is the approximate developed length of a 40" radius 90" bend? -
correct- answer-63
Which of the following is the classified location where combustible dust may be
present? -correct-answer-Class I Div I
Which of the following is the classified location where combustible fibers are
always present? -correct-answer-Class III, Div
When installing more than one ground rod, what is the MINIMUM spacing
between rods? -correct-answer-6 ft.
