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The web-based NETA NETA_2 practice exam is compatible with all browsers like Chrome, Mozilla Firefox, MS Edge, Internet Explorer, Safari, Opera, and more. Unlike the desktop version, it requires an internet connection. The NETA Level 2 Certified Assistant Electrical Testing Specialist (NETA_2) practice exam will ask real NETA Level 2 Certified Assistant Electrical Testing Specialist (NETA_2) exam questions.

NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q14-Q19):

NEW QUESTION # 14
A ground conductor is routed through azero-sequence current transformer (CT)together with the phase conductors feeding the load. What is the most likely result?

Answer: D

Explanation:
Zero-sequence (residual) ground-fault detection works by measuring thevector sum of currentspassing through a CT window. Under normal conditions, the three phase currents sum to approximately zero. If a ground fault occurs, the return current path bypasses the CT window, producing a net residual current that the CT detects.
If theequipment grounding conductor(or neutral/ground return conductor, depending on the scheme) is incorrectly passed through the same CT window along with the phase conductors, the ground-fault return current can be "captured" by the CT. This causes the residual sum to approachzero, even during an actual ground fault-meaning the protective function mayfail to operate.
NETA Level 2 technicians are expected to recognize correct CT installation practices, especially during commissioning and acceptance testing of ground-fault protection schemes. This includes verifying CT polarity, conductor routing, window CT content, and proper secondary wiring before performing injection or functional trip tests. Misrouting conductors is a classic cause of non-operational ground-fault protection.


NEW QUESTION # 15
In apurely inductive circuit, what is the phase relationship between voltage and current?

Answer: A

Explanation:
In a purely inductive circuit, current lags voltage by90 degrees, meaning voltage leads current by 90°. This phase relationship is foundational to understanding AC circuit behavior, protective relay operation, and power factor calculations-all within the expected knowledge scope of a NETA Level 2 technician.


NEW QUESTION # 16
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 # 17
What effect does enablingthermal memoryhave on thelong-time delay (LTD)operation of a low-voltage digital overcurrent protective device?

Answer: C

Explanation:
Thermal memory accounts for residual heating in conductors and equipment following overloads. When enabled, itreduces the long-time delay operating time, allowing faster tripping if a subsequent overload occurs. NETA Level 2 technicians must understand this behavior during injection testing and when reviewing breaker trip performance.


NEW QUESTION # 18
Electrical equipment working space must have at least two entrances of sufficient area to permit access.

Answer: C

Explanation:
Working space and egress requirements exist to ensure personnel canquickly exitan area in the event of an arc flash, fire, or other emergency. Codes and safety practices commonly requiretwo means of egress(two entrances) when certain conditions are met, particularly when large equipment, high fault current, or certain room layouts increase risk and limit escape paths.
From a NETA Level 2 safety standpoint, the practical takeaway is that equipment rooms must not trap workers. Adequate working clearances and egress routes must be verified as part of safe work planning- especially during commissioning where multiple panels may be open, temporary barriers may exist, and contractors may crowd the space.
While the exact conditions and thresholds can vary by NEC article and equipment rating, the concept tested here matches the flash-card: providing at least two entrances is considered a compliant requirement for safe access to electrical equipment working space in the relevant scenario context.


NEW QUESTION # 19
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