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NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q95-Q100):

NEW QUESTION # 95
Harmonics in an electrical system increase the risk of fire and electric shock.

Answer: A

Explanation:
Harmonics cause increased heating in conductors, transformers, and neutral paths, which can degrade insulation and increase fire risk. They can also create unexpected voltage conditions and elevated touch potentials. NETA Level 2 technicians must recognize harmonic-related risks when evaluating system performance, especially in facilities with nonlinear loads such as VFDs and power electronics.


NEW QUESTION # 96
Power factor is defined as:

Answer: D

Explanation:
Power factor is the ratio ofreal power (watts)toapparent power (volt-amperes). This ratio indicates how effectively electrical power is being converted into useful work. NETA Level 2 technicians must understand power factor when evaluating system efficiency, loading, and the impact of reactive components.


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: D

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
A 120 VAC, 60 Hz circuit supplies a 10 A load at a20° lagging power factor. What is thetrue power?

Answer: A

Explanation:
True power is calculated using.
Here,V,A, and.
Thus,W.
NETA Level 2 technicians must correctly distinguish apparent power from true power when evaluating loads, especially those with inductive characteristics.


NEW QUESTION # 99
An overcurrent relay is connected to a200:5 current transformerand has a pickup setting of4 A secondary.
Whatprimary currentwill cause the relay to operate?

Answer: C

Explanation:
A 200:5 CT has a ratio of40:1. A pickup of 4 A on the secondary corresponds to:
Primary current = 4 A × 40 =160 A
NETA Level 2 technicians must accurately convert CT secondary values to primary quantities when setting, testing, and verifying protective relays. Incorrect ratio interpretation is a common cause of miscoordination and false conclusions during commissioning.


NEW QUESTION # 100
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