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NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q37-Q42):

NEW QUESTION # 37
A piece of wire that is0.001 inchesin diameter and12 incheslong is defined as onemil-foot.

Answer: D

Explanation:
Amilis one-thousandth of an inch (0.001 in). Amil-footis a reference unit used in conductor resistance calculations. It describes a conductor that is1 mil in diameter and 1 foot long. Since 12 inches equals 1 foot, the statement is correct.
This unit supports standardized resistance formulas such as:
R = (K × L) / CM
where R is resistance, K is the resistivity constant, L is length, and CM is circular mil area. While technicians in the field often rely on tables and software, NETA Level 2 fundamentals include understanding what these units represent so results and conductor resistance expectations can be sanity-checked.
This concept also appears when evaluating long cable runs, verifying conductor sizing, or interpreting low- resistance measurements where expected values are small and sensitive to length and cross-sectional area.


NEW QUESTION # 38
A transformer contains insulating fluid with aspecific gravity greater than 1. From where should the oil sample be drawn?

Answer: C

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 # 39
When reinstalling a draw-out circuit breaker into a metal-clad switchgear cubicle, in what condition must the breaker be?

Answer: C

Explanation:
For safety and mechanical integrity, circuit breakers must beopen and racked outbefore installation or removal from cubicles. NETA Level 2 technicians must follow correct breaker handling procedures to prevent arc flash, equipment damage, and mechanical interlock failures during commissioning and maintenance.


NEW QUESTION # 40
What is the primary advantage ofaluminum bus barcompared to copper?

Answer: A

Explanation:
Aluminum bus bar is widely used due to itslower costand lighter weight compared to copper. While copper has higher conductivity, aluminum provides an economical alternative when properly sized and installed.
NETA Level 2 technicians must recognize material properties when inspecting bus systems and evaluating resistance measurements.


NEW QUESTION # 41
Underground service conductors between the service equipment terminals and the service lateral are referred to as:

Answer: C

Explanation:
Service point conductors connect the utility service lateral to the service equipment terminals. Understanding conductor classification is important during inspection, testing, and verification of grounding and bonding systems. NETA Level 2 technicians must correctly identify conductor types to apply appropriate testing and safety requirements.


NEW QUESTION # 42
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