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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Safety15%- Electrically Safe Work Conditions
  • 1. Lockout/Tagout procedures
  • 2. Hazardous energy control
- Risk Assessment
  • 1. Shock and arc-flash protection boundaries
  • 2. Safe work practices and hazard recognition
- Regulatory Standards
  • 1. OSHA, NFPA, ANSI, IEEE, NETA standards
- Personal Protective Equipment (PPE)
  • 1. Selection, use, inspection and storage
Component Testing55%- Circuit Breakers & Switchgear
  • 1. Mechanical, electrical, insulation tests
- Capacitors, Reactors & Batteries
  • 1. Performance and condition testing
- Cables & Conductors
  • 1. Insulation resistance, continuity, fault location
- Protective Relays & Devices
  • 1. Settings, testing, coordination
- Transformers
  • 1. Tests, procedures, acceptance criteria
- Rotating Machinery
  • 1. Motors, generators, testing methods
Systems and Commissioning5%- Commissioning Practices
  • 1. Documentation, acceptance, reporting
- System Testing
  • 1. Power system analysis, grounding, coordination
Electrical Testing Fundamentals and Theory25%- Basic Electrical Theory
  • 1. AC/DC circuits, Ohm's law, power, energy
  • 2. Circuit analysis and calculations
- Electrical Mathematics
  • 1. Trigonometry, vectors, phasors
- Measurement Principles
  • 1. Measurement techniques and units
  • 2. Instrumentation, accuracy, calibration

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q62-Q67):

NEW QUESTION # 62
Which portion of an electrical transmission system experiences faultsmost frequently?

Answer: A

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 # 63
Which trigonometric function is equal to theopposite side divided by the hypotenuseof a right triangle?

Answer: A

Explanation:
Thesineof an angle is defined as the ratio of the opposite side to the hypotenuse. Trigonometry is used in power factor analysis, phasor relationships, impedance calculations, and AC circuit analysis. NETA Level 2 technicians must understand these relationships when evaluating voltage, current, and phase angles in testing scenarios.


NEW QUESTION # 64
The three-phase connection in whichone end of each winding is connected togetheris called which configuration?

Answer: B

Explanation:
In awye (star)connection, one end of each phase winding is tied together at a common point known as the neutral. This configuration allows for both line-to-line and line-to-neutral voltages and is commonly used in distribution systems.
NETA Level 2 technicians must understand transformer and system configurations because they affect voltage relationships, current flow, grounding methods, and testing procedures. Identifying a wye connection is essential when interpreting nameplates, calculating phase voltages, and performing ratio or insulation testing.


NEW QUESTION # 65
Electromotive force (EMF) is measured in:

Answer: A

Explanation:
Electromotive force represents electrical potential difference and is measured involts. NETA Level 2 technicians encounter EMF when evaluating generators, transformers, batteries, and induced voltages during testing and commissioning activities.


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
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