ELECTRICAL NCCER LATEST EXAM ACTUAL EXAM WITH UPDATED QUESTIONS AND ANSWERS (ALREADY GRADED A+)
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Course
ELECTRICAL NCCER
Institution
ELECTRICAL NCCER
ELECTRICAL NCCER LATEST EXAM ACTUAL
EXAM WITH UPDATED QUESTIONS AND ANSWERS
(ALREADY GRADED A+)
What does HOA usually mean in a motor control circuit? - ANSWER-Hands
of Automatic
What is the standard wire size system used in the United States? -
ANSWER-AWG
A switch labeled "AL-CU" ca...
What does HOA usually mean in a motor control circuit? - ANSWER-Hands
of Automatic
What is the standard wire size system used in the United States? -
ANSWER-AWG
A switch labeled "AL-CU" can be used with what type of wire? - ANSWER-
Aluminum Copper or Copper Clad Aluminum
What type of conduit fitting is usually placed in the middle of a long run of
rigid metal conduit to provide access for pulling wire? - ANSWER-C
What is the largest size of aluminum rigid conduit couplings? - ANSWER-6"
What is the purpose of the thermocouple? - ANSWER-To measure
temperature
A brass-colored terminal on a receptacle indicates that it should be used to
connect what type of wire? - ANSWER-Hot wire
,2|Page
What is the standard length of rigid conduit? - ANSWER-10 FT
An angle or U-pull is made with 14 wire or larger. The distance between
each raceway entry inside the box and the any less than how many times
the trade opposite wall of the box shall NOT be diameter of the largest
raceway? - ANSWER-6 times
Where should stress cone be used? - ANSWER-High Voltage Termination
A cable rated for 5KV insulation can safely carry what MAXIMUM voltage?
- ANSWER-5,000 volts
What is the PRIMARY consideration in selecting the proper rope for a cable
pull? - ANSWER-Safety
Which of the following statements describes the operating features of a
thermal overload relay? - ANSWER-The greater the overload, the shorter
the time of tripping.
Normally, the easiest place to reverse the leads to change the direction of
rotation of a 3-phase motor is at the - ANSWER-Motor Starter
,3|Page
What is the largest size conductor that can terminate on a 20amp
receptacle? - ANSWER-12awg
Why can a lead acid battery be an explosive hazards? - ANSWER-
Hydrogen gas is produced during charge and discharge
What MAXIMUM number of bends is allowed between fittings in one
conduit run? - ANSWER-4 quarter bends or 360 degrees
What size wire is standard for a 120- volt motor control systems? -
ANSWER-#14
In all cases where live parts are normally exposed on the front of
switchboards or motor control centers the working space in front of such
equipment MUST be what MINIMUM length? - ANSWER-3Ft
What is the interrupting rating of a fuse? - ANSWER-The maximum value
of current that the fuse is designed to interrupt
What is the PRIMARY purpose of P&ID? - ANSWER-Provides scale
drawings and piping and instrumentation control systems
, 4|Page
A "megger" will be used to check a cable. The electrician MUST be sure
thát the circuit is - ANSWER-De-energized and locked, tagged out, and
tested
What is the symbol for the primary side of a transformer? - ANSWER-H
What is the function of a ballast in a flourescent fixture - ANSWER-Steps
up the voltage
An electrical fitting can be made explosion proof in which of the following
ways - ANSWER-Using an amorphous sealed device
Cable trays are usually supported by all the following means EXCEPTS? -
ANSWER-#9 wire
A 1 line diagram with simplified symbols indicates the - ANSWER-
Interconnections and component parts of an electrical circuit
What is the purpose of Lockout/Tagout? - ANSWER-Prevents operation
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