PSI - Journeyman Electrician Practice Exam Questions and Correct Answers Updated

PSI - Journeyman Electrician Practice Exam
Questions and Correct Answers Updated
Question 1
How far shall the work space extend from the grade, floor, or platform for equipment
that is 60 inches in height?
Correct Answer
78 inches



Question 2
For electric space heating cables, which color of lead wire is used to indicate a circuit
voltage of 240 volt, nominal?
Correct Answer
red



Question 3
All of the following types of cable are permitted to be used as underground service
conductors EXCEPT
Correct Answer
Type AC



Question 4
For other than a totally enclosed switchboard or switchgear, what is the minimum
amount of space that shall be provided between the top of an unshielded
switchboard or switchgear and any combustible ceiling?
Correct Answer
36 inches




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,Question 5
Which is best defined as an unintentional, electrically conductive connection between
an ungrounded conductor of an electrical circuit and the normally non-current-
carrying conductors, metallic enclosures, metallic raceways, metallic equipment, or
earth?
Correct Answer
ground fault



Question 6
An electrical appliance is rated at 1,500 watts, and is connected to 120 volts. What is
the resistance associated with this appliance?
Correct Answer
9.6 ohms



Question 7
If the branch circuit supplies a single non-motor-operated appliance, the rating of
overcurrent protection shall not exceed 20 amperes if the overcurrent protection
rating is not marked and the appliance is rated at
Correct Answer
13.3 amperes or less



Question 8
What is the minimum size solid conductor permitted to be installed in a raceway?
Correct Answer
8 AWG



Question 9
EMT shall be securely fastened in place at intervals NOT to exceed which of the
following?
Correct Answer
10 feet




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,Question 10
Exit signs, when required, shall have lettering that is a minimum of how many inches
high?
Correct Answer
6 inches



Question 11
Where the rated input current of the autotransformer is less than 9 amperes, what is
the maximum permitted overcurrent device rating?

Correct Answer
167% of the input current



Question 12
The following measurements are taken on a 3-phase load: power used is 11,250 watts,
208 volts applied, and current is 35 amperes per phase leg. What is the power factor
of the load?
Correct Answer
89%



Question 13
Unless part of listed decorative lighting assembly, the minimum size pendant
conductor for intermediate or candelabra-base lampholders shall not be smaller than
Correct Answer
18 AWG



Question 14
Service conductors installed as open conductors or multiconductor cable without an
overall outer jacket shall have a minimum clearance of how many feet from porches
and balconies?
Correct Answer
3 feet




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, Question 15
What is the minimum size copper-clad aluminum equipment grounding conductor for
a feeder with a 100-ampere overcurrent protection device?
Correct Answer
6 awg



Question 16
What is the maximum voltage drop for any branch circuit, separately derived system,
operating at 120 volts line-to-line and 60 volts to ground, serving sensitive electronic
equipment?
Correct Answer
1.5%



Question 17
A fitting is a part of a wiring system that is intended primarily to perform which type
of function?
Correct Answer
mechanical



Question 18
What is the maximum weight of a luminaire that can be supported by the screw shell
of a lampholder?
Correct Answer
6 pounds



Question 19
Where an electrical vault is required or specified for conductors and equipment
operating at over 600 volts, nominal, the floor when in contact directly with earth shall
be constructed in what manner?
Correct Answer
minimum of 4-inch-thick concrete




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