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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Safety15%- Risk Assessment
  • 1. Safe work practices and hazard recognition
  • 2. Shock and arc-flash protection boundaries
- Regulatory Standards
  • 1. OSHA, NFPA, ANSI, IEEE, NETA standards
- Electrically Safe Work Conditions
  • 1. Lockout/Tagout procedures
  • 2. Hazardous energy control
- Personal Protective Equipment (PPE)
  • 1. Selection, use, inspection and storage
Topic 2: Systems and Commissioning5%- System Testing
  • 1. Power system analysis, grounding, coordination
- Commissioning Practices
  • 1. Documentation, acceptance, reporting
Topic 3: Component Testing55%- Protective Relays & Devices
  • 1. Settings, testing, coordination
- Circuit Breakers & Switchgear
  • 1. Mechanical, electrical, insulation tests
- Rotating Machinery
  • 1. Motors, generators, testing methods
- Cables & Conductors
  • 1. Insulation resistance, continuity, fault location
- Capacitors, Reactors & Batteries
  • 1. Performance and condition testing
- Transformers
  • 1. Tests, procedures, acceptance criteria
Topic 4: Electrical Testing Fundamentals and Theory25%- Electrical Mathematics
  • 1. Trigonometry, vectors, phasors
- Measurement Principles
  • 1. Instrumentation, accuracy, calibration
  • 2. Measurement techniques and units
- Basic Electrical Theory
  • 1. Circuit analysis and calculations
  • 2. AC/DC circuits, Ohm's law, power, energy

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q97-Q102):

NEW QUESTION # 97
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: C

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 # 98
Electromotive force (EMF) is measured in:

Answer: C

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 # 99
Polarization Index (PI) is defined as the ratio of insulation resistance measured at:

Answer: B

Explanation:
Polarization Index evaluates insulation quality over time and is calculated as:
PI = IR at 10 minutes ÷ IR at 1 minute.
NETA Level 2 technicians use PI testing to assess insulation dryness, cleanliness, and aging.


NEW QUESTION # 100
As frequency increases, theinductive reactanceof an inductor will:

Answer: B

Explanation:
Inductive reactance is defined as. As frequency increases, inductive reactance increases proportionally. This principle is essential for understanding AC circuit behavior, harmonic effects, and frequency-dependent impedance during testing and troubleshooting.


NEW QUESTION # 101
A1500:5 multi-ratio CTproduces400 Vat the1200:5 tapduring saturation testing. What voltage is expected at the1500:5 tap?

Answer: B

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 # 102
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