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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Electrical Theory and Fundamentals15-20%- AC/DC Circuit Analysis
  • 1. Three-Phase Systems
  • 2. Kirchhoff's Laws
  • 3. Ohm's Law and Power Calculations
  • 4. Series and Parallel Circuits
- Electrical Safety Principles
  • 1. Personal Protective Equipment
  • 2. Arc Flash Safety
  • 3. Lockout/Tagout Procedures
Topic 2: Testing Equipment and Instrumentation20-25%- Insulation Testing Equipment
  • 1. Megohmmeters
  • 2. Hipot Testers
  • 3. Insulation Resistance Analyzers
- Circuit Breaker Testers
  • 1. Primary Injection Test Sets
  • 2. Secondary Injection Test Sets
- Grounding and Bonding Testers
  • 1. Earth Resistance Testers
  • 2. Ground Bond Testers
- Voltmeters and Ammeters
  • 1. Digital Multimeters
  • 2. Clamp Meters
- Relay Testing Equipment
  • 1. Protective Relay Testers
Topic 3: 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
Topic 4: Testing Procedures and Standards25-30%- IEEE Testing Standards
  • 1. IEEE 62.45 Low-Voltage Testing
  • 2. IEEE 4 High-Voltage Testing
- NETA Maintenance Testing Specifications
  • 1. Acceptance Testing Standards
  • 2. Electrical Testing Procedures
  • 3. Visual Inspection Procedures
- NFPA 70E Electrical Safety
  • 1. Arc Flash Hazard Analysis
  • 2. energized Work Permits
Topic 5: Component Testing20-25%- Switchgear Testing
  • 1. Dielectric Withstand Tests
  • 2. Contact Resistance Tests
  • 3. Circuit Breaker Timing Tests
- Protective Devices Testing
  • 1. Coordination Studies
  • 2. Overcurrent Relay Tests
- Transformers Testing
  • 1. Winding Resistance Tests
  • 2. Turns Ratio Tests
  • 3. Excitation Current Tests
- Conductors and Cables Testing
  • 1. Insulation Resistance Tests
  • 2. Continuity Tests
  • 3. Hi-Pot Tests

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NETA Level 2 Certified Assistant Electrical Testing Specialist NETA_2 Prüfungsfragen mit Lösungen (Q12-Q17):

12. Frage
Determine theRMS voltageof a sinusoidal waveform displayed on an oscilloscope showing 0.45 V peak with a vertical sensitivity of 0.2 V/division.

Antwort: D

Begründung:
RMS voltage for a sine wave equals peak voltage divided by #2:
V### = 0.45 ÷ 1.414 #0.32 V
NETA Level 2 technicians must understand RMS values because most electrical measurements and equipment ratings are based on RMS quantities, not peak values.


13. Frage
A series circuit contains two resistors. One resistor dissipates 10 W and the other dissipates 15 W. What is the total power dissipation?

Antwort: D

Begründung:
In a series circuit (or any circuit),total poweris the sum of the power dissipated by each element. If one resistor dissipates 10 W and the other dissipates 15 W, then:
Total Power = 10 W + 15 W =25 W
NETA Level 2 technicians must be comfortable with basic electrical math because field testing often requires verifying expected values, sanity-checking readings, and confirming that instruments and test setups make sense. Power relationships also appear in evaluating loading, heating, and potential abnormal conditions.
While in many real-world cases you might calculate power using P = VI, P = I²R, or P = V²/R, in this question the element power dissipations are already provided, making the total a straightforward sum.
This concept also supports troubleshooting: if measured losses appear inconsistent with expected totals, it may indicate incorrect metering connections, inaccurate instrument scaling, or problems such as loose connections causing unexpected heating and power loss.


14. Frage
An induction motor has a 40 kVA input, a power factor of 0.82, and an efficiency of 92%. What is the approximate output horsepower?

Antwort: D

Begründung:
To calculate motor horsepower, real power must first be determined. Real power (kW) is calculated by multiplying apparent power (kVA) by power factor:
Real Power = 40 kVA × 0.82 = 32.8 kW
Next, efficiency must be applied to determine output power:
Output Power = 32.8 kW × 0.92 = 30.176 kW
Horsepower is calculated by converting kilowatts to horsepower using the conversion factor:
1 HP # 0.746 kW
Horsepower = 30.176 ÷ 0.746 #30.2 HP
NETA Level 2 technicians are expected to understand power relationships, including apparent power, real power, power factor, and efficiency. These calculations are commonly used when evaluating motor performance, loading conditions, and acceptance testing results.


15. Frage
When making a resistance measurement, which ohmmeter range should be selectedinitially?

Antwort: B

Begründung:
Starting with thelowest resistance rangeprovides maximum sensitivity and allows the technician to determine whether resistance is within the expected low-ohmic range. This approach supports accurate measurements during continuity testing, bolted-connection checks, and component verification.


16. Frage
You arrive to perform acceptance testing on a newly installed indoor 15 kV switchgear lineup. Covers are removed and conductors are exposed with taped ends. What is thecorrect initial action?

Antwort: C

Begründung:
Before any testing or inspection begins, NETA safety practices require verification of anelectrically safe work condition. Even newly installed equipment may be energized unintentionally or improperly isolated.
Exposed conductors increase the risk of shock and arc flash.
The correct action is tovisually confirm that all sources of power have been de-energized, followed by properlockout/tagoutprocedures. This ensures no unexpected energization can occur during testing activities.
NETA Level 2 technicians must never assume equipment is safe based on installation status. Safety verification always precedes inspection, testing, or commissioning work.


17. Frage
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