Quiz 2026 NETA NETA_2: NETA Level 2 Certified Assistant Electrical Testing Specialist First-grade Exam Forum

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NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q84-Q89):

NEW QUESTION # 84
The smallest particle of a substance that still retains the properties of that substance is a:

Answer: D

Explanation:
Amoleculeis the smallest unit of a substance that retains its chemical and physical properties. This basic scientific principle supports understanding of insulating materials, gases, and liquids used in electrical equipment, particularly when discussing dielectric behavior and contamination effects.


NEW QUESTION # 85
A transformer contains insulating fluid with aspecific gravity greater than 1. From where should the oil sample be drawn?

Answer: D

Explanation:
Specific gravity greater than 1 means the insulating fluid isheavier than water. Any free water contamination will settlebelowthe oil. To avoid collecting settled contaminants and to obtain a representative oil sample, NETA practice requires sampling from thetop of the tank.
Correct sampling technique is critical for accurate dielectric, moisture, and dissolved gas analysis results.
NETA Level 2 technicians must understand fluid properties to avoid misleading test conclusions.


NEW QUESTION # 86
Cells are connected inparallelin order to increase:

Answer: B

Explanation:
When cells are connected in parallel, the voltage of the battery bank remains the same as a single cell, but the current capacity (ampere-hours)increases. Parallel connections allow multiple cells to share load current, increasing the total available current without increasing voltage. NETA Level 2 technicians frequently encounter parallel battery strings in control power systems and must understand this relationship when evaluating capacity, load testing, and charger performance.


NEW QUESTION # 87
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 # 88
Which lubricant is commonly specified for use in bothconductiveandmechanicalareas of circuit breakers and switches?

Answer: D

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 # 89
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