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