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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Component Testing20-25%- Switchgear Testing
  • 1. Dielectric Withstand Tests
  • 2. Circuit Breaker Timing Tests
  • 3. Contact Resistance Tests
- Conductors and Cables Testing
  • 1. Insulation Resistance Tests
  • 2. Continuity Tests
  • 3. Hi-Pot Tests
- Transformers Testing
  • 1. Winding Resistance Tests
  • 2. Excitation Current Tests
  • 3. Turns Ratio Tests
- Protective Devices Testing
  • 1. Coordination Studies
  • 2. Overcurrent Relay Tests
Testing Equipment and Instrumentation20-25%- Insulation Testing Equipment
  • 1. Megohmmeters
  • 2. Insulation Resistance Analyzers
  • 3. Hipot Testers
- Relay Testing Equipment
  • 1. Protective Relay Testers
- 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
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. Electrical Testing Procedures
  • 2. Visual Inspection Procedures
  • 3. Acceptance Testing Standards
- NFPA 70E Electrical Safety
  • 1. Arc Flash Hazard Analysis
  • 2. energized Work Permits
Documentation and Reporting10-15%- Test Documentation
  • 1. Data Recording Procedures
  • 2. Test Results Interpretation
- Reports and Certification
  • 1. NRTL Certification Requirements
  • 2. Test Report Writing
Electrical Theory and Fundamentals15-20%- AC/DC Circuit Analysis
  • 1. Series and Parallel Circuits
  • 2. Ohm's Law and Power Calculations
  • 3. Kirchhoff's Laws
  • 4. Three-Phase Systems
- 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 (Q63-Q68):

NEW QUESTION # 63
On an electrical schematic, adot on a current transformer symbolindicates:

Answer: D

Explanation:
The dot convention indicatespolarity, showing the instantaneous current direction relationship between primary and secondary windings. Correct polarity is critical for protection schemes, differential relays, and metering accuracy. NETA Level 2 technicians must verify CT polarity during installation and commissioning to ensure correct relay operation.


NEW QUESTION # 64
During charging of lead-acid batteries, whichexplosive gasmay be generated?

Answer: D

Explanation:
Hydrogen gas is produced during battery charging due to electrolysis of water in the electrolyte. Hydrogen is highly explosive at relatively low concentrations. NETA Level 2 technicians must ensure adequate ventilation, eliminate ignition sources, and follow battery safety procedures during testing and maintenance.


NEW QUESTION # 65
In azone-interlocked low-voltage circuit breakerscheme, if the breaker responsible for clearing a fault fails to operate, which statement is correct?

Answer: B

Explanation:
Zone-selective interlocking (ZSI) improves coordination by allowing downstream devices to trip first while restraining upstream devices. If the downstream breaker fails to clear the fault, restraint signals are removed and thenext upstream breaker tripsto isolate the fault.
NETA Level 2 technicians must understand this fail-safe behavior when commissioning protection systems and validating coordination logic.


NEW QUESTION # 66
Secondary injection testing of a low-voltage air circuit breaker is:

Answer: A

Explanation:
Secondary injection testing verifies the operation of thetrip unit electronics, but it does not test the entire current path, sensors, or mechanical trip linkage under load conditions. Primary injection testing is more comprehensive because it verifies the breaker's response to actual current flowing through the primary circuit.
NETA Level 2 technicians must understand the limitations of secondary injection and when primary injection is required for acceptance testing.


NEW QUESTION # 67
Under what condition istagout without lockoutpermitted according to OSHA and NETA safety practices?

Answer: D

Explanation:
Lockout/tagout (LOTO) procedures are a fundamental safety requirement emphasized throughout NETA Level 2 objectives and OSHA 1910.147. Lockout is always the preferred method because it provides a physical restraintpreventing unexpected energization. However, OSHA permitstagout aloneonly under very limited circumstances. One such circumstance is when theenergy-isolating device is not capable of being locked, such as older disconnects or valves without lock provisions.
In these cases, tagout must be supplemented withadditional protective measuresto provide an equivalent level of safety. These measures may include removal of an isolating circuit element, blocking of a control switch, opening of an extra disconnecting device, or removal of fuses. Simply tagging equipment without addressing the lack of physical restraint is not acceptable.
NETA Level 2 technicians must understand that tagout doesnotprovide the same level of protection as lockout. Tags are warnings only and do not physically prevent operation. Therefore, tagout alone is never permitted merely for convenience, voltage level, or supervisory permission. The inability to lock the device is the critical condition that allows tagout to be used, and even then, only with additional safeguards in place.


NEW QUESTION # 68
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