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The Electrical NCCER Exam 2024 | NCCER Electrical Exam Update Latest 2024 Questions and Correct Answers Rated A+

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The Electrical NCCER Exam 2024 | NCCER Electrical Exam Update Latest 2024 Questions and Correct Answers Rated A+

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  • October 11, 2024
  • 39
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccer electrical exam
  • the electrical nccer exam 2024
  • the electrical nccer exam update 2024
  • nccer electrical update 2024
  • nccer electrical latest 2024

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  • NCCER Electrical
  • NCCER Electrical

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The Electrical NCCER Exam 2024 |
NCCER Electrical Exam Update Latest
2024 Questions and Correct Answers
Rated A+
Which Article of the NEC covers grounding? -ANSWER-article 250

Which of the following is a 90 degree, explosion proof fitting? -
ANSWER-GUAL

What is a dropout plate? -ANSWER-Metal plate with a curved surface
for cable to follow as it passes from the tray

All of the following are common service voltages in the United States
EXCEPT: -ANSWER-372/575 3-PHASE, 4-WIRE

What does a GFCI breaker do? -ANSWER-Opens a circuit to prevent
operation of an electrical device

What will happen when one or more coils in a winding are grounded? -
ANSWER-The motor will automatically blow fuses

Eight incandescent lighting fixtures are to be installed. Each fixture is
120- volts, with a 200-watt lamp. What is the total connected load? -
ANSWER-13.3 amps

The must be grounded in a bussed gutter if used as the main service
equipment. -ANSWER-Neutral busbar

,When wall mounting cable tray, ensure that -ANSWER-The building
structure is strong enough to support the tray system

The purpose of sealing cable ends when reels of cable are in storage
is -ANSWER-To keep moisture from creeping in

The outer covering on liguid-tight flexible metal conduit is used for -
ANSWER-A moisture seal

A good electrical connection should -ANSWER-Be mechanically and
electrically secure

The symbol normally used for duplex -ANSWER-Circle with two
parallel lines drawb through it

Disconnecting means are covered in -ANSWER-NEC Section 110-22

In relation to switches, the term throw refers to the -ANSWER-Number
of internal operations that a switch can perform

A 3-phase, 4-wire, 480v service requires ______ current
transformer(s) -ANSWER-3

Services conductors and equipment are covered in -ANSWER-NEC
Article 230

The NEC required that all receptacles installed on 25 amp and 20 amp
branch circuits be ______ receptacles -ANSWER-Grounding

A transformer with the primary of 400 turns and a secondary of 300
turns has a _____ -ANSWER-Step-down turns ratio of 4:3

,The circular mil is based on the -ANSWER-Cross-sectional area of the
wire

Of the termination classes listed below, ____ is the only one that
provides a seal against external elements. -ANSWER-Class 1

Unless otherwise noted. the calculations in AC circuits _____ values. -
ANSWER-Rms

When the coil turns are increased the _____ -ANSWER-Induced
voltage is increased

As the temperature surrounding a self-regulating heating cable rises,
the ____ -ANSWER-Resistance of the polymeric core increases

The motor type that has the highest starting torque is the ____ motor.
-ANSWER-Capacitor-start

For a given number of poles, the ____ determines the speed of an AC
motor. -ANSWER-Frequency

Both induction and synchronous motors operate on the principle of a
rotating ____ field -ANSWER-Magnetic

A transformer has 200 turns in the primary, 150 turns in the
secondary, and 120VAC applied to the primary. The voltage across
the secondary is: -ANSWER-90Volts

The output capacity of a motor is rated in -ANSWER-Horsepower

The synchronous speed at which a pole, 60 Hz induction motor
operates is rpm. -ANSWER-1,800

, The sine of 0 degree is -ANSWER-0

Meters used in AC circuits indicate the -ANSWER-Effective

The component labeled 7 in figure 1 is a(n) -ANSWER-End seal

In an AC circuit containing resistance only _____ will flow if the
resistance is 10 ohms and the voltage is 120V. -ANSWER-12A

The _____ rotor types are generally rugged. -ANSWER-Squirrel cage

Proofs tests are made at_ of the original factory voltage. -ANSWER-
60%

Which type of heating cable cannot be cut and terminated in the field?
-ANSWER-Mineral insulated

The secondary of a CT under load should not be opened because of_.
-ANSWER-Induced high voltage

In a transformer ______ -ANSWER-Electromagnetic Induction Ocurs

When a ground rod is installed, the top of the rod must be positioned
______ grade. -ANSWER-Flush with or below

When making offset bends, the two kicks must be made perfectly
parallel or the resulting offset will have a _____ -ANSWER-Crooked
Bend

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