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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Systems and Commissioning5%- Commissioning Practices
  • 1. Documentation, acceptance, reporting
- System Testing
  • 1. Power system analysis, grounding, coordination
Safety15%- Personal Protective Equipment (PPE)
  • 1. Selection, use, inspection and storage
- Risk Assessment
  • 1. Shock and arc-flash protection boundaries
  • 2. Safe work practices and hazard recognition
- Electrically Safe Work Conditions
  • 1. Hazardous energy control
  • 2. Lockout/Tagout procedures
- Regulatory Standards
  • 1. OSHA, NFPA, ANSI, IEEE, NETA standards
Electrical Testing Fundamentals and Theory25%- Measurement Principles
  • 1. Instrumentation, accuracy, calibration
  • 2. Measurement techniques and units
- Electrical Mathematics
  • 1. Trigonometry, vectors, phasors
- Basic Electrical Theory
  • 1. AC/DC circuits, Ohm's law, power, energy
  • 2. Circuit analysis and calculations
Component Testing55%- Circuit Breakers & Switchgear
  • 1. Mechanical, electrical, insulation tests
- Cables & Conductors
  • 1. Insulation resistance, continuity, fault location
- Rotating Machinery
  • 1. Motors, generators, testing methods
- Protective Relays & Devices
  • 1. Settings, testing, coordination
- Transformers
  • 1. Tests, procedures, acceptance criteria
- Capacitors, Reactors & Batteries
  • 1. Performance and condition testing

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q47-Q52):

NEW QUESTION # 47
Which ANSI device number corresponds to anundervoltage relay?

Answer: A

Explanation:
ANSI device27designates anundervoltage relay. This relay operates when system voltage falls below a preset threshold and is commonly used for motor protection, load shedding, and system interlocking. NETA Level 2 technicians must recognize ANSI device numbers to correctly identify protective functions during testing, troubleshooting, and commissioning.


NEW QUESTION # 48
Which portion of a three-phase system carries current through the windings of a transformer or motor?

Answer: D

Explanation:
Phase currentis the current that flows through each individual winding of a three-phase device such as a transformer or motor. Understanding the difference between phase current and line current is critical because their magnitudes differ depending on whether the system is configured as wye or delta. NETA Level 2 technicians must correctly identify which current is being measured to avoid misinterpreting test results during commissioning, troubleshooting, and performance verification.


NEW QUESTION # 49
The three-phase connection in whichone end of each winding is connected togetheris called which configuration?

Answer: C

Explanation:
In awye (star)connection, one end of each phase winding is tied together at a common point known as the neutral. This configuration allows for both line-to-line and line-to-neutral voltages and is commonly used in distribution systems.
NETA Level 2 technicians must understand transformer and system configurations because they affect voltage relationships, current flow, grounding methods, and testing procedures. Identifying a wye connection is essential when interpreting nameplates, calculating phase voltages, and performing ratio or insulation testing.


NEW QUESTION # 50
On an electrical schematic, adot on a current transformer symbolindicates:

Answer: A

Explanation:
The dot convention indicatespolarity, showing the instantaneous current direction relationship between primary and secondary windings. Correct polarity is critical for protection schemes, differential relays, and metering accuracy. NETA Level 2 technicians must verify CT polarity during installation and commissioning to ensure correct relay operation.


NEW QUESTION # 51
Using the provided diagram, what is thetotal circuit resistance?

Answer: B

Explanation:
Total circuit resistance depends on how resistors are connected. Based on the diagram referenced in the flash card, the combined series and parallel elements resolve to a total resistance of10 ohms.
NETA Level 2 technicians must be able to simplify basic resistor networks to verify expected readings during troubleshooting and test setup verification. Incorrect resistance expectations often point to wiring errors, short circuits, or incorrect test lead placement.


NEW QUESTION # 52
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