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NCCER Electrical Latest Update -

EXAMS AND CERTIFICATIONS Dec 14, 2025 ★★★★★ (5.0/5)
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NCCER Electrical Latest Update - Actual Exam 150 Questions and 100% Verified Correct Answers Guaranteed A+

.A current transformer has a rating of 4000: 5 if 1000 amps load is on the primary, the

secondary output would produce - CORRECT ANSWER: 1.25 amps

.Compounds made of porcelain and plastic are used as____ - CORRECT ANSWER:

insulators

.What will be the center-to-center measurement for two 30 degree bends in an offset

bend with a height of 18 inches? - CORRECT ANSWER: 36 inches*

4.What is the voltage drop for a #8 (16.510 cmil) copper wire at 120v. 215 feet one way

and a load of 39amps? - CORRECT ANSWER: 10.5

  • If a voltage source of a circuit provides 240 volts and there are 5 ohms of resistance,

how much current is in the circuit? - CORRECT ANSWER: 48amps

A "live-dead live" test is used to: - CORRECT ANSWER: Verify a circuit is de-energized

A 10 inch offset at 30 degrees is being made what is the distance between center to

center bends - CORRECT ANSWER: 20 inches

A circuit with a source of 120 volts is connected across four parallel 60 ohms resistors.The current through each resistor is: - CORRECT ANSWER: 2 amps

A conductor with 220 mils of insulation would have insulation thickness of: - CORRECT

ANSWER: 0.22"

A conduit piston (mouse) is used for what application? - CORRECT ANSWER: Installing pull line

A conduit piston (mouse) is used for what application? - CORRECT ANSWER: Installing pull line

A dangerously high voltage is produced when someone opens the secondary circuit of a: - CORRECT ANSWER: Current transformer

A drawing showing a point A to point B hookup of conductors is called a: - CORRECT

ANSWER: Wiring diagram

  • / 2

A drawing that shows the height of an object, but NOT the depth is a (n): - CORRECT

ANSWER: Elevation drawing

A drill motor breaks down during an installation. What should be done? - CORRECT

ANSWER: Tag the drill and give it to the supervisor

A megger will be used to check an in-service cable. The Electrician MUST be sure that the circuit is: - CORRECT ANSWER: De-energized and locked tagged out, and tested

A NEMA type___ enclosure is both watertight and corrosion- resistant. - CORRECT

ANSWER: 4X

A NEMA type___ enclosure offers only protection against incidental contact -

CORRECT ANSWER: 1

A reduction in capacitance of a capacitator- start motor results in reduce - CORRECT

ANSWER: speed

A swivel joint connection is to be made in a cable tray installation. What Must be

installed - CORRECT ANSWER: A flexible bonding jumper

A Type "X" conduit body has how many conduit entries - CORRECT ANSWER: 4

according to NEC Article 240.4(D) (5),12 AWG copper shall be protected against

overcurrent by a device with a MAXIMUM ampacity of. - CORRECT ANSWER: 20 amps

According to the NEC, where is the "C" phase system to be located ( viewing from the

front) with respect to the A and switchboard? - CORRECT ANSWER: Right

Add a capacitator to increase the power factor - CORRECT ANSWER: Add a

capacitator to increase the power factor

All of the following are acceptable grounding electrodes for a service grounding electrode system EXCEPT: - CORRECT ANSWER: ½ -inch rebar 20 feet long encased in concrete in the bottom of a footing

All of the following are CORRECT formulas for Ohm's Law EXCEPT: - CORRECT

ANSWER: D.E = P X I

All parts of a metal cable tray MUST be bonded together and: - CORRECT ANSWER: Grounded

An assembly containing two or more insulated conductors and having an overall jacket is known as a: - CORRECT ANSWER: Cable

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Category: EXAMS AND CERTIFICATIONS
Added: Dec 14, 2025
Description:

NCCER Electrical Latest Update - Actual Exam 150 Questions and 100% Verified Correct Answers Guaranteed A+ .A current transformer has a rating of 4000: 5 if 1000 amps load is on the primary, the se...

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