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NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q14-Q19):

NEW QUESTION # 14
Sample valves should be flushed with at least how much waste liquid before collecting a transformer oil sample?

Answer: C

Explanation:
NETA-recommended oil sampling practices require flushing the sampling valve withat least one quartof waste liquid. This removes stagnant oil, debris, and contaminants that could skew test results.
Accurate oil analysis depends heavily on proper sampling technique. NETA Level 2 technicians must follow flushing and cleanliness requirements to ensure valid dielectric and moisture analysis.


NEW QUESTION # 15
Identify the substation bus arrangement that usestwo circuit breakers per circuit, allowing either breaker to be removed from service without interrupting load.

Answer: C

Explanation:
Adouble breaker busscheme assigns two breakers to each circuit, providing the highest level of reliability and operational flexibility. Either breaker can be removed for maintenance without interrupting service.
NETA Level 2 technicians must recognize bus schemes when performing commissioning tests, protection verification, and functional checks, as the scheme directly affects relay logic, interlocking, and testing sequences.


NEW QUESTION # 16
Duringprimary current injection testingof a low-voltage circuit breaker, the breaker trips instantaneously at
8× its long-time pickup setting, even though the instantaneous element is set to10×. What is the MOST likely cause?

Answer: D

Explanation:
CT saturation occurs when the CT core cannot accurately reproduce high fault currents, causing distorted secondary current. This distortion can falsely trigger the instantaneous element at a lower current than expected. NETA Level 2 technicians must recognize CT saturation as a common cause of unexpected trip behavior during primary injection testing, particularly at high multiples of pickup.


NEW QUESTION # 17
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?

Answer: D

Explanation:
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.


NEW QUESTION # 18
Which instrument is used tolocate a fault in a 15 kV underground cable?

Answer: C

Explanation:
Atime-domain reflectometer (TDR)locates faults by measuring reflected signals caused by impedance discontinuities. NETA Level 2 technicians must recognize proper tools for underground cable diagnostics.


NEW QUESTION # 19
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