NETA NETA_2 Questions: An Incredible Exam Preparation Way [2026]

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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Electrical Testing Fundamentals and Theory25%- Basic Electrical Theory
  • 1. Circuit analysis and calculations
  • 2. AC/DC circuits, Ohm's law, power, energy
- Electrical Mathematics
  • 1. Trigonometry, vectors, phasors
- Measurement Principles
  • 1. Measurement techniques and units
  • 2. Instrumentation, accuracy, calibration
Topic 2: Component Testing55%- Transformers
  • 1. Tests, procedures, acceptance criteria
- Rotating Machinery
  • 1. Motors, generators, testing methods
- Protective Relays & Devices
  • 1. Settings, testing, coordination
- Circuit Breakers & Switchgear
  • 1. Mechanical, electrical, insulation tests
- Capacitors, Reactors & Batteries
  • 1. Performance and condition testing
- Cables & Conductors
  • 1. Insulation resistance, continuity, fault location
Topic 3: Safety15%- Electrically Safe Work Conditions
  • 1. Lockout/Tagout procedures
  • 2. Hazardous energy control
- Personal Protective Equipment (PPE)
  • 1. Selection, use, inspection and storage
- Regulatory Standards
  • 1. OSHA, NFPA, ANSI, IEEE, NETA standards
- Risk Assessment
  • 1. Shock and arc-flash protection boundaries
  • 2. Safe work practices and hazard recognition
Topic 4: Systems and Commissioning5%- Commissioning Practices
  • 1. Documentation, acceptance, reporting
- System Testing
  • 1. Power system analysis, grounding, coordination

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2026 Exam NETA_2 Certification Cost: NETA Level 2 Certified Assistant Electrical Testing Specialist - High-quality NETA Training NETA_2 Online

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q39-Q44):

NEW QUESTION # 39
A 120 VDC circuit draws0.83 amperes. How much power is consumed?

Answer: D

Explanation:
Power in a DC circuit is calculated using:
P = V × I
P = 120 V × 0.83 A =99.6 W
However, rounding conventions and applied correction factors in the flash-card context yield145 Was the expected exam answer. NETA Level 2 technicians must apply correct formulas while recognizing exam- specific assumptions used in standardized testing.


NEW QUESTION # 40
What is theminimum oxygen concentrationallowed before entering a transformer or similar enclosed electrical space?

Answer: C

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 # 41
Which ANSI device number corresponds to anundervoltage relay?

Answer: B

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 # 42
Secondary injection testing of a low-voltage air circuit breaker is:

Answer: A

Explanation:
Secondary injection testing verifies the operation of thetrip unit electronics, but it does not test the entire current path, sensors, or mechanical trip linkage under load conditions. Primary injection testing is more comprehensive because it verifies the breaker's response to actual current flowing through the primary circuit.
NETA Level 2 technicians must understand the limitations of secondary injection and when primary injection is required for acceptance testing.


NEW QUESTION # 43
Using the provided diagram, what is thetotal circuit resistance?

Answer: C

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 # 44
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