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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Testing Equipment and Instrumentation20-25%- Grounding and Bonding Testers
  • 1. Earth Resistance Testers
  • 2. Ground Bond Testers
- Insulation Testing Equipment
  • 1. Hipot Testers
  • 2. Megohmmeters
  • 3. Insulation Resistance Analyzers
- Relay Testing Equipment
  • 1. Protective Relay Testers
- Voltmeters and Ammeters
  • 1. Digital Multimeters
  • 2. Clamp Meters
- Circuit Breaker Testers
  • 1. Primary Injection Test Sets
  • 2. Secondary Injection Test Sets
Component Testing20-25%- Protective Devices Testing
  • 1. Coordination Studies
  • 2. Overcurrent Relay Tests
- Switchgear Testing
  • 1. Circuit Breaker Timing Tests
  • 2. Contact Resistance Tests
  • 3. Dielectric Withstand Tests
- Transformers Testing
  • 1. Turns Ratio Tests
  • 2. Excitation Current Tests
  • 3. Winding Resistance Tests
- Conductors and Cables Testing
  • 1. Insulation Resistance Tests
  • 2. Continuity Tests
  • 3. Hi-Pot Tests
Documentation and Reporting10-15%- Reports and Certification
  • 1. NRTL Certification Requirements
  • 2. Test Report Writing
- Test Documentation
  • 1. Data Recording Procedures
  • 2. Test Results Interpretation
Testing Procedures and Standards25-30%- NETA Maintenance Testing Specifications
  • 1. Visual Inspection Procedures
  • 2. Acceptance Testing Standards
  • 3. Electrical Testing Procedures
- NFPA 70E Electrical Safety
  • 1. energized Work Permits
  • 2. Arc Flash Hazard Analysis
- IEEE Testing Standards
  • 1. IEEE 62.45 Low-Voltage Testing
  • 2. IEEE 4 High-Voltage Testing
Electrical Theory and Fundamentals15-20%- AC/DC Circuit Analysis
  • 1. Ohm's Law and Power Calculations
  • 2. Kirchhoff's Laws
  • 3. Three-Phase Systems
  • 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 (Q41-Q46):

NEW QUESTION # 41
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 # 42
When may anunqualified personenter theLimited Approach Boundary?

Answer: D

Explanation:
The Limited Approach Boundary defines the minimum distance from exposed energized parts that unqualified persons arenever permitted to cross. Entry into this space is restricted to qualified persons who understand the hazards and are trained to apply proper protective measures.
NETA safety objectives emphasize that escorting, PPE, or voltage level does not override qualification requirements. Only qualified individuals with appropriate training and authorization may enter the Limited Approach Boundary. This rule is foundational to preventing shock injuries and is strictly enforced during testing, inspection, and commissioning activities.


NEW QUESTION # 43
Sample valves should be flushed with at least how much waste liquid before collecting a transformer oil sample?

Answer: A

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 # 44
What is theminimum oxygen concentrationallowed before entering a transformer or similar enclosed electrical space?

Answer: B

Explanation:
An oxygen concentration of11.5%represents a dangerous condition that can rapidly impair physical and cognitive function. NETA safety guidance requires oxygen levels to be verified before entry into confined or enclosed spaces such as transformers. Entry below safe oxygen thresholds requires specialized respiratory protection and controls.


NEW QUESTION # 45
Thebreaking capacityof a circuit breaker is typically expressed in:

Answer: D

Explanation:
Breaking capacity refers to the maximumfault currenta circuit breaker can safely interrupt and is expressed in amperes(often kA). NETA Level 2 technicians must verify breaker ratings during acceptance testing to ensure suitability for the available short-circuit current at the installation location.


NEW QUESTION # 46
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