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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Testing Procedures and Standards25-30%- NETA Maintenance Testing Specifications
  • 1. Visual Inspection Procedures
  • 2. Acceptance Testing Standards
  • 3. Electrical Testing Procedures
- IEEE Testing Standards
  • 1. IEEE 62.45 Low-Voltage Testing
  • 2. IEEE 4 High-Voltage Testing
- NFPA 70E Electrical Safety
  • 1. energized Work Permits
  • 2. Arc Flash Hazard Analysis
Testing Equipment and Instrumentation20-25%- Insulation Testing Equipment
  • 1. Insulation Resistance Analyzers
  • 2. Megohmmeters
  • 3. Hipot Testers
- Voltmeters and Ammeters
  • 1. Clamp Meters
  • 2. Digital Multimeters
- Circuit Breaker Testers
  • 1. Secondary Injection Test Sets
  • 2. Primary Injection Test Sets
- Grounding and Bonding Testers
  • 1. Earth Resistance Testers
  • 2. Ground Bond Testers
- Relay Testing Equipment
  • 1. Protective Relay Testers
Documentation and Reporting10-15%- Test Documentation
  • 1. Test Results Interpretation
  • 2. Data Recording Procedures
- Reports and Certification
  • 1. NRTL Certification Requirements
  • 2. Test Report Writing
Electrical Theory and Fundamentals15-20%- AC/DC Circuit Analysis
  • 1. Series and Parallel Circuits
  • 2. Kirchhoff's Laws
  • 3. Ohm's Law and Power Calculations
  • 4. Three-Phase Systems
- Electrical Safety Principles
  • 1. Arc Flash Safety
  • 2. Personal Protective Equipment
  • 3. Lockout/Tagout Procedures
Component Testing20-25%- Conductors and Cables Testing
  • 1. Hi-Pot Tests
  • 2. Continuity Tests
  • 3. Insulation Resistance Tests
- Transformers Testing
  • 1. Winding Resistance Tests
  • 2. Excitation Current Tests
  • 3. Turns Ratio Tests
- Protective Devices Testing
  • 1. Overcurrent Relay Tests
  • 2. Coordination Studies
- Switchgear Testing
  • 1. Contact Resistance Tests
  • 2. Dielectric Withstand Tests
  • 3. Circuit Breaker Timing Tests

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q24-Q29):

NEW QUESTION # 24
A 120 VAC, 60 Hz circuit supplies a 10 A load at a20° lagging power factor. What is thetrue power?

Answer: B

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 # 25
The dataplate on a condenser bushing listsC2values. What do these values represent?

Answer: A

Explanation:
C2 values represent the capacitance and power factor measured between the test tap and ground flange. These values are critical for evaluating bushing condition and detecting contamination, moisture ingress, or insulation deterioration during acceptance and maintenance testing.


NEW QUESTION # 26
What is theminimum oxygen concentrationallowed before entering a transformer or similar enclosed electrical space?

Answer: D

Explanation:
An oxygen concentration of11.5%represents a dangerous condition that can rapidly impair physical and cognitive function. NETA safety guidance requires oxygen levels to be verified before entry into confined or enclosed spaces such as transformers. Entry below safe oxygen thresholds requires specialized respiratory protection and controls.


NEW QUESTION # 27
Under what condition istagout without lockoutpermitted according to OSHA and NETA safety practices?

Answer: A

Explanation:
Lockout/tagout (LOTO) procedures are a fundamental safety requirement emphasized throughout NETA Level 2 objectives and OSHA 1910.147. Lockout is always the preferred method because it provides a physical restraintpreventing unexpected energization. However, OSHA permitstagout aloneonly under very limited circumstances. One such circumstance is when theenergy-isolating device is not capable of being locked, such as older disconnects or valves without lock provisions.
In these cases, tagout must be supplemented withadditional protective measuresto provide an equivalent level of safety. These measures may include removal of an isolating circuit element, blocking of a control switch, opening of an extra disconnecting device, or removal of fuses. Simply tagging equipment without addressing the lack of physical restraint is not acceptable.
NETA Level 2 technicians must understand that tagout doesnotprovide the same level of protection as lockout. Tags are warnings only and do not physically prevent operation. Therefore, tagout alone is never permitted merely for convenience, voltage level, or supervisory permission. The inability to lock the device is the critical condition that allows tagout to be used, and even then, only with additional safeguards in place.


NEW QUESTION # 28
Which lubricant is commonly specified for use in bothconductiveandmechanicalareas of circuit breakers and switches?

Answer: A

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 # 29
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