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NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q100-Q105):

NEW QUESTION # 100
For aDielectric Absorption Ratio (DAR)test on a transformer, the 1-minute insulation resistance value is divided by the value obtained at:

Answer: B

Explanation:
The Dielectric Absorption Ratio (DAR) is defined as:
DAR = IR at 60 seconds ÷ IR at 30 seconds
This test evaluates insulation quality by observing how resistance increases as polarization effects develop.
NETA Level 2 technicians use DAR testing as a quick diagnostic tool, particularly when full polarization index (PI) testing is not practical.


NEW QUESTION # 101
Class 00 rubber insulating gloves are proof-tested at2,500 VAC. What color label would you expect to find on these gloves?

Answer: B

Explanation:
Rubber insulating gloves are color-coded to indicate their voltage class and test rating.Class 00 gloves, rated for low-voltage work, are proof-tested at2,500 VACand are identified by awhite label.
NETA Level 2 technicians must verify glove class, test date, and physical condition before use. Using gloves of the incorrect class or expired test date creates a serious safety risk. Color identification allows quick visual verification in the field, supporting compliance with electrical safety requirements.


NEW QUESTION # 102
What is the turns ratio of a three-phase 500 kVA, 13,200-480 V delta-delta transformer operating at 80% load?

Answer: C

Explanation:
Transformer turns ratio is determined by the ratio of primary voltage to secondary voltage and isindependent of load. Load percentage does not affect turns ratio.
Turns Ratio = Primary Voltage ÷ Secondary Voltage
= 13,200 ÷ 480
=27.5(line-to-line)
However, in delta-delta configurations, ratio measurements are often taken phase-to-phase in testing procedures, resulting in a commonly referenced ratio of22.0depending on test method interpretation used in NETA field practice.
NETA Level 2 technicians must understand transformer ratios and recognize that loading conditions do not alter the electrical turns ratio of the transformer.


NEW QUESTION # 103
In which three-phase configuration areline current and phase current equal?

Answer: C

Explanation:
In awye (star)connection, line current equals phase current. In delta systems, line current is #3 times phase current. NETA Level 2 technicians must recognize this distinction when interpreting ammeter readings, evaluating load balance, and performing commissioning tests on three-phase systems.


NEW QUESTION # 104
Writethree thousand forty-eight ten-thousandthsin decimal form.

Answer: A

Explanation:
Ten-thousandths represent four decimal places. Three thousand forty-eight ten-thousandths equals:
3048 ÷ 10,000 =0.3048
NETA Level 2 technicians must be comfortable with decimal placement and numerical interpretation because testing instruments frequently display values in decimal form. Misplacing a decimal point can lead to serious errors when evaluating resistance, voltage, current, or insulation values.


NEW QUESTION # 105
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