Latest NETA_2 Exam Pattern & New NETA_2 Exam Duration

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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Component Testing55%- Protective Relays & Devices
  • 1. Settings, testing, coordination
- Circuit Breakers & Switchgear
  • 1. Mechanical, electrical, insulation tests
- 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
Topic 2: Safety15%- Regulatory Standards
  • 1. OSHA, NFPA, ANSI, IEEE, NETA standards
- 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
- Electrically Safe Work Conditions
  • 1. Lockout/Tagout procedures
  • 2. Hazardous energy control
Topic 3: Systems and Commissioning5%- System Testing
  • 1. Power system analysis, grounding, coordination
- Commissioning Practices
  • 1. Documentation, acceptance, reporting
Topic 4: Electrical Testing Fundamentals and Theory25%- 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
- Electrical Mathematics
  • 1. Trigonometry, vectors, phasors

>> Latest NETA_2 Exam Pattern <<

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q44-Q49):

NEW QUESTION # 44
What is meant by adead-tank circuit breaker?

Answer: A

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 # 45
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 # 46
Which terminal set would you expect to find on adigital low-resistance ohmmeter (DLRO)?

Answer: A

Explanation:
DLROs use a four-wire (Kelvin) connection: two current terminals (C1, C2) and two potential terminals (P1, P2). This arrangement eliminates lead and contact resistance from measurements, ensuring accurate low- resistance readings for bolted joints, bus bars, and grounding connections.


NEW QUESTION # 47
ASTM D 924 is a required acceptance test for liquid-filled transformers containing natural ester insulating fluid according to NETA standards.

Answer: A

Explanation:
ASTM D 924 defines test methods forpower factor and dielectric lossof insulating liquids. NETA standards require this test for acceptance testing of liquid-filled transformers, including those usingnatural ester insulating fluids.
Power factor testing evaluates the condition of the insulating liquid by identifying contamination, moisture, and deterioration. Natural ester fluids, while environmentally advantageous, still require dielectric evaluation to ensure reliability and safety.
NETA Level 2 technicians must be familiar with required acceptance tests and understand why dielectric properties are critical indicators of insulation health.


NEW QUESTION # 48
When may anunqualified personenter theLimited Approach Boundary?

Answer: C

Explanation:
The Limited Approach Boundary defines the minimum distance from exposed energized parts that unqualified persons arenever permitted to cross. Entry into this space is restricted to qualified persons who understand the hazards and are trained to apply proper protective measures.
NETA safety objectives emphasize that escorting, PPE, or voltage level does not override qualification requirements. Only qualified individuals with appropriate training and authorization may enter the Limited Approach Boundary. This rule is foundational to preventing shock injuries and is strictly enforced during testing, inspection, and commissioning activities.


NEW QUESTION # 49
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