Featured NETA certification NETA_2 exam test questions and answers

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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Testing Equipment and Instrumentation20-25%- Relay Testing Equipment
  • 1. Protective Relay Testers
- Insulation Testing Equipment
  • 1. Megohmmeters
  • 2. Hipot Testers
  • 3. Insulation Resistance Analyzers
- Circuit Breaker Testers
  • 1. Secondary Injection Test Sets
  • 2. Primary Injection Test Sets
- Voltmeters and Ammeters
  • 1. Clamp Meters
  • 2. Digital Multimeters
- Grounding and Bonding Testers
  • 1. Earth Resistance Testers
  • 2. Ground Bond Testers
Documentation and Reporting10-15%- Reports and Certification
  • 1. Test Report Writing
  • 2. NRTL Certification Requirements
- Test Documentation
  • 1. Data Recording Procedures
  • 2. Test Results Interpretation
Electrical Theory and Fundamentals15-20%- Electrical Safety Principles
  • 1. Lockout/Tagout Procedures
  • 2. Arc Flash Safety
  • 3. Personal Protective Equipment
- AC/DC Circuit Analysis
  • 1. Three-Phase Systems
  • 2. Kirchhoff's Laws
  • 3. Ohm's Law and Power Calculations
  • 4. Series and Parallel Circuits
Component Testing20-25%- Transformers Testing
  • 1. Excitation Current Tests
  • 2. Turns Ratio Tests
  • 3. Winding Resistance Tests
- Switchgear Testing
  • 1. Circuit Breaker Timing Tests
  • 2. Dielectric Withstand Tests
  • 3. Contact Resistance Tests
- Protective Devices Testing
  • 1. Coordination Studies
  • 2. Overcurrent Relay Tests
- Conductors and Cables Testing
  • 1. Insulation Resistance Tests
  • 2. Hi-Pot Tests
  • 3. Continuity Tests
Testing Procedures and Standards25-30%- NETA Maintenance Testing Specifications
  • 1. Acceptance Testing Standards
  • 2. Electrical Testing Procedures
  • 3. Visual Inspection Procedures
- IEEE Testing Standards
  • 1. IEEE 62.45 Low-Voltage Testing
  • 2. IEEE 4 High-Voltage Testing
- NFPA 70E Electrical Safety
  • 1. Arc Flash Hazard Analysis
  • 2. energized Work Permits

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q86-Q91):

NEW QUESTION # 86
The dataplate on a condenser bushing listsC2values. What do these values represent?

Answer: A

Explanation:
C2 values represent the capacitance and power factor measured between the test tap and ground flange. These values are critical for evaluating bushing condition and detecting contamination, moisture ingress, or insulation deterioration during acceptance and maintenance testing.


NEW QUESTION # 87
Which of the following equations correctly represents the relationship betweencapacitance (C),charge (Q), andvoltage (V)?

Answer: B

Explanation:
Capacitance is defined as the amount of electric charge stored per unit of voltage applied across a capacitor.
Mathematically, this relationship is expressed asC = Q / V, where capacitance is measured in farads, charge in coulombs, and voltage in volts. NETA Level 2 technicians must understand this fundamental relationship when interpreting capacitor test data, evaluating dielectric performance, and understanding how voltage stress affects insulation systems. This equation also underpins energy storage calculations and dielectric stress analysis in power system components.


NEW QUESTION # 88
Each switchboard used asservice equipmentmust be provided with amain bonding jumper.

Answer: B

Explanation:
A main bonding jumper is required to connect the grounded conductor (neutral) to the equipment grounding conductor at the service disconnect. This establishes a low-impedance fault return path necessary for overcurrent devices to operate promptly. NETA Level 2 technicians must verify proper bonding during acceptance and maintenance inspections because improper bonding can lead to elevated touch potentials and ineffective fault clearing.


NEW QUESTION # 89
A piece of wire that is0.001 inchesin diameter and12 incheslong is defined as onemil-foot.

Answer: A

Explanation:
Amilis one-thousandth of an inch (0.001 in). Amil-footis a reference unit used in conductor resistance calculations. It describes a conductor that is1 mil in diameter and 1 foot long. Since 12 inches equals 1 foot, the statement is correct.
This unit supports standardized resistance formulas such as:
R = (K × L) / CM
where R is resistance, K is the resistivity constant, L is length, and CM is circular mil area. While technicians in the field often rely on tables and software, NETA Level 2 fundamentals include understanding what these units represent so results and conductor resistance expectations can be sanity-checked.
This concept also appears when evaluating long cable runs, verifying conductor sizing, or interpreting low- resistance measurements where expected values are small and sensitive to length and cross-sectional area.


NEW QUESTION # 90
How many connection points are typically found on a Kelvin bridge used for low-resistance measurements?

Answer: C

Explanation:
A Kelvin bridge, also known as a four-wire resistance measurement device, usesfour connection pointsto accurately measure very low resistances. These consist of twocurrent terminalsand twopotential (voltage) terminals.
This configuration eliminates the effects of lead resistance and contact resistance, which can significantly distort measurements when testing bolted connections, bus joints, and grounding conductors. NETA Level 2 technicians routinely use Kelvin methods when performing low-resistance ohmic measurements during acceptance and maintenance testing.
Using fewer than four terminals would result in inaccurate readings, especially at milliohm or micro-ohm levels. Understanding this principle ensures proper test setup and reliable data interpretation.


NEW QUESTION # 91
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