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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Testing Procedures and Standards25-30%- NETA Maintenance Testing Specifications
  • 1. Acceptance Testing Standards
  • 2. Visual Inspection Procedures
  • 3. Electrical Testing Procedures
- 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
Topic 2: Component Testing20-25%- Transformers Testing
  • 1. Winding Resistance Tests
  • 2. Turns Ratio Tests
  • 3. Excitation Current Tests
- Conductors and Cables Testing
  • 1. Continuity Tests
  • 2. Insulation Resistance Tests
  • 3. Hi-Pot Tests
- Switchgear Testing
  • 1. Contact Resistance Tests
  • 2. Dielectric Withstand Tests
  • 3. Circuit Breaker Timing Tests
- Protective Devices Testing
  • 1. Coordination Studies
  • 2. Overcurrent Relay Tests
Topic 3: Documentation and Reporting10-15%- Test Documentation
  • 1. Data Recording Procedures
  • 2. Test Results Interpretation
- Reports and Certification
  • 1. Test Report Writing
  • 2. NRTL Certification Requirements
Topic 4: Electrical Theory and Fundamentals15-20%- AC/DC Circuit Analysis
  • 1. Kirchhoff's Laws
  • 2. Three-Phase Systems
  • 3. Series and Parallel Circuits
  • 4. Ohm's Law and Power Calculations
- Electrical Safety Principles
  • 1. Lockout/Tagout Procedures
  • 2. Personal Protective Equipment
  • 3. Arc Flash Safety
Topic 5: Testing Equipment and Instrumentation20-25%- Circuit Breaker Testers
  • 1. Secondary Injection Test Sets
  • 2. Primary Injection Test Sets
- Voltmeters and Ammeters
  • 1. Clamp Meters
  • 2. Digital Multimeters
- Insulation Testing Equipment
  • 1. Hipot Testers
  • 2. Insulation Resistance Analyzers
  • 3. Megohmmeters
- Grounding and Bonding Testers
  • 1. Ground Bond Testers
  • 2. Earth Resistance Testers
- Relay Testing Equipment
  • 1. Protective Relay Testers

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q83-Q88):

NEW QUESTION # 83
During avacuum circuit breaker bottle integrity test, which hazardous energy may be produced?

Answer: D

Explanation:
High-voltage vacuum integrity tests can generateX-raysdue to electron acceleration within the vacuum bottle.
NETA safety practices require distance, shielding, and time limitations during testing. Level 2 technicians must recognize non-obvious hazards associated with electrical testing, especially during high-voltage applications.


NEW QUESTION # 84
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: D

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 # 85
Which lubricant is commonly specified for use in bothconductiveandmechanicalareas of circuit breakers and switches?

Answer: B

Explanation:
Circuit breakers and switches include bothcurrent-carrying interfaces(where conductivity and contact integrity matter) andmechanical moving components(where friction, wear, and smooth operation matter).
NETA Level 2 objectives expect technicians to follow manufacturer guidance and industry-accepted practices for cleaning and lubrication during inspection and maintenance activities.
Mobil 28is widely referenced in the industry for breaker and switch applications because it performs reliably over a broad temperature range and provides stable lubrication for mechanical parts while being used in certain conductive interfaces where specified. The key is that lubrication must match the component requirements: too much lubricant, the wrong type, or applying lubricant in inappropriate locations can attract contamination, increase resistance at contacts, or interfere with proper mechanism operation.
WD-40 is not an appropriate precision lubricant for breaker mechanisms. Graphite can be conductive and create unintended paths, and dielectric silicone greases are primarily intended for insulating/anti-moisture applications rather than general breaker conductive/mechanical lubrication unless specifically approved.
In NETA-style work, lubrication is not "generic"-it is controlled by procedure, manufacturer instructions, and the intended function of the surfaces involved.


NEW QUESTION # 86
A battery bank consists of60 cells, each rated2 V. What is thenominal DC voltageof the battery bank?

Answer: C

Explanation:
Battery bank voltage is calculated by summing the individual cell voltages in series:
60 × 2 V =120 V
NETA Level 2 technicians routinely test station batteries used for control power and protection systems.
Accurate voltage verification is critical for ensuring breaker tripping capability and relay operation during loss of AC power.


NEW QUESTION # 87
A control contact that includes one normally open (NO) contact and one normally closed (NC) contact operated by a single actuator is classified as which contact form?

Answer: D

Explanation:
Control contacts are categorized by their functional behavior and internal configuration. AForm C contact consists ofone normally open (NO) and one normally closed (NC) contactthat share a common movable contact and operate together. When the actuator changes state, one contact opens while the other closes.
This configuration is commonly used in control circuits where a change of state must simultaneously initiate one function and terminate another, such as interlocking schemes, status indication, and control logic. NETA Level 2 technicians frequently encounter Form C contacts in relays, auxiliary switches on circuit breakers, and motor control equipment.
Form A contacts are normally open only, while Form B contacts are normally closed only. Form C provides greater flexibility and is widely used in protection and control systems. Correct identification of contact forms is critical during continuity testing, functional verification, and troubleshooting of control circuits.


NEW QUESTION # 88
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