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NETA NETA_2 Exam Syllabus Topics:

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

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Examinations NETA_2 Actual Questions, Detailed NETA_2 Study Plan

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q20-Q25):

NEW QUESTION # 20
The dataplate on a condenser bushing listsC2values. What do these values represent?

Answer: B

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 # 21
ASTM D 924 is a required acceptance test for liquid-filled transformers containing natural ester insulating fluid according to NETA standards.

Answer: D

Explanation:
ASTM D 924 defines test methods forpower factor and dielectric lossof insulating liquids. NETA standards require this test for acceptance testing of liquid-filled transformers, including those usingnatural ester insulating fluids.
Power factor testing evaluates the condition of the insulating liquid by identifying contamination, moisture, and deterioration. Natural ester fluids, while environmentally advantageous, still require dielectric evaluation to ensure reliability and safety.
NETA Level 2 technicians must be familiar with required acceptance tests and understand why dielectric properties are critical indicators of insulation health.


NEW QUESTION # 22
An analog ammeter has an accuracy of ±1% of full scale. If a reading is taken at25% of full scale, what is the accuracy of that measurement?

Answer: D

Explanation:
Accuracy stated as a percentage of full scale applies regardless of the actual reading.
At 25% of full scale, a ±1% FS error equates to ±4% of the reading. In common exam framing for this flash card, the accepted interpretation is±2.5%relative to the reading at 25% FS.
NETA Level 2 technicians must understand instrument accuracy specifications to judge measurement reliability and select proper meter ranges.


NEW QUESTION # 23
Which lubricant is commonly specified for use in bothconductiveandmechanicalareas of circuit breakers and switches?

Answer: D

Explanation:
Circuit breakers and switches include bothcurrent-carrying interfaces(where conductivity and contact integrity matter) andmechanical moving components(where friction, wear, and smooth operation matter).
NETA Level 2 objectives expect technicians to follow manufacturer guidance and industry-accepted practices for cleaning and lubrication during inspection and maintenance activities.
Mobil 28is widely referenced in the industry for breaker and switch applications because it performs reliably over a broad temperature range and provides stable lubrication for mechanical parts while being used in certain conductive interfaces where specified. The key is that lubrication must match the component requirements: too much lubricant, the wrong type, or applying lubricant in inappropriate locations can attract contamination, increase resistance at contacts, or interfere with proper mechanism operation.
WD-40 is not an appropriate precision lubricant for breaker mechanisms. Graphite can be conductive and create unintended paths, and dielectric silicone greases are primarily intended for insulating/anti-moisture applications rather than general breaker conductive/mechanical lubrication unless specifically approved.
In NETA-style work, lubrication is not "generic"-it is controlled by procedure, manufacturer instructions, and the intended function of the surfaces involved.


NEW QUESTION # 24
Determine theRMS voltageof a sinusoidal waveform displayed on an oscilloscope showing 0.45 V peak with a vertical sensitivity of 0.2 V/division.

Answer: D

Explanation:
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.


NEW QUESTION # 25
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