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NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q51-Q56):

NEW QUESTION # 51
Which portion of an electrical transmission system experiences faultsmost frequently?

Answer: C

Explanation:
Overhead transmission lines experience the highest frequency of faults due to their direct exposure to environmental conditions. Wind, lightning, ice, vegetation contact, animals, and pollution all contribute to transient and permanent fault conditions on overhead conductors. Unlike underground systems, overhead lines are not shielded from weather-related events.
NETA Level 2 technicians must understand fault likelihood when interpreting protective relay operations, breaker trips, and event records. Many relay schemes are designed with reclosing logic specifically because overhead line faults are often temporary. This understanding supports proper commissioning, testing of protective devices, and evaluation of fault-clearing performance.


NEW QUESTION # 52
A current of30 Ais measured using a100 A, 3% accuracyammeter. What is the maximum possibleactual error?

Answer: A

Explanation:
Accuracy stated as ±3% of full scale means ±3 A on a 100 A meter. At a 30 A reading, this represents a possible error of±10%of the measured value. NETA Level 2 technicians must account for meter accuracy when interpreting readings, particularly at low portions of full-scale range.


NEW QUESTION # 53
When reinstalling a draw-out circuit breaker into a metal-clad switchgear cubicle, in what condition must the breaker be?

Answer: D

Explanation:
For safety and mechanical integrity, circuit breakers must beopen and racked outbefore installation or removal from cubicles. NETA Level 2 technicians must follow correct breaker handling procedures to prevent arc flash, equipment damage, and mechanical interlock failures during commissioning and maintenance.


NEW QUESTION # 54
A1500:5 multi-ratio CTproduces400 Vat the1200:5 tapduring saturation testing. What voltage is expected at the1500:5 tap?

Answer: D

Explanation:
Voltage is proportional to the number of turns. Moving from a 1200:5 ratio to 1500:5 increases turns by a factor of:
1500 / 1200 = 1.25
Expected voltage = 400 × 1.25 =500 V
NETA Level 2 technicians must accurately scale saturation test results across CT taps to verify performance and protection reliability.


NEW QUESTION # 55
What is meant by adead-tank circuit breaker?

Answer: C

Explanation:
Adead-tank circuit breakeris designed so that the interrupter assembly and associated operating components are contained within ametal tank that is bonded to ground potential. Because the enclosure is grounded ("dead"), the tank is not energized during normal operation. This construction reduces touch potential hazards and provides a robust, grounded barrier around interrupting components.
This contrasts with alive-tank breaker, where the external housing or tank is atline potential, requiring greater external clearances and insulation coordination. From a testing perspective, NETA Level 2 work commonly includes verifying breaker integrity through insulation resistance, contact resistance, functional checks, and in some applications, power factor testing or vacuum bottle integrity testing (depending on breaker type). Understanding "dead-tank" vs "live-tank" is important because it influences safe work practices, test lead placement, and interpretation of results (particularly for insulation-related tests and grounding considerations).
NETA objectives emphasize technicians being able to identify equipment construction types and apply the appropriate test approach and safety controls, especially regarding grounded enclosures, bonding, and the management of induced or stored energy.


NEW QUESTION # 56
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