Quiz 2026 NETA_2: NETA Level 2 Certified Assistant Electrical Testing Specialist Authoritative Test Sample Questions

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NETA NETA_2 Exam Syllabus Topics:

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

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Hence, if you want to sharpen your skills, and get the NETA Level 2 Certified Assistant Electrical Testing Specialist (NETA_2) certification done within the target period, it is important to get the best NETA Level 2 Certified Assistant Electrical Testing Specialist (NETA_2) exam questions. You must try 2Pass4sure NETA Level 2 Certified Assistant Electrical Testing Specialist (NETA_2) practice exam that will help you get the NETA NETA_2 certification.

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

NEW QUESTION # 37
Under what condition istagout without lockoutpermitted according to OSHA and NETA safety practices?

Answer: A

Explanation:
Lockout/tagout (LOTO) procedures are a fundamental safety requirement emphasized throughout NETA Level 2 objectives and OSHA 1910.147. Lockout is always the preferred method because it provides a physical restraintpreventing unexpected energization. However, OSHA permitstagout aloneonly under very limited circumstances. One such circumstance is when theenergy-isolating device is not capable of being locked, such as older disconnects or valves without lock provisions.
In these cases, tagout must be supplemented withadditional protective measuresto provide an equivalent level of safety. These measures may include removal of an isolating circuit element, blocking of a control switch, opening of an extra disconnecting device, or removal of fuses. Simply tagging equipment without addressing the lack of physical restraint is not acceptable.
NETA Level 2 technicians must understand that tagout doesnotprovide the same level of protection as lockout. Tags are warnings only and do not physically prevent operation. Therefore, tagout alone is never permitted merely for convenience, voltage level, or supervisory permission. The inability to lock the device is the critical condition that allows tagout to be used, and even then, only with additional safeguards in place.


NEW QUESTION # 38
During aCT saturation test, voltage increases sharply with little increase in current. What does this indicate?

Answer: D

Explanation:
A sharp rise in voltage with minimal increase in current indicates the CT core has reachedmagnetic saturation. Beyond this point, the CT cannot accurately reproduce primary current. NETA Level 2 technicians must identify saturation points to ensure CTs are suitable for protection applications and that relay performance will be reliable during high-current faults.


NEW QUESTION # 39
Which trigonometric function is equal to theopposite side divided by the hypotenuseof a right triangle?

Answer: C

Explanation:
Thesineof an angle is defined as the ratio of the opposite side to the hypotenuse. Trigonometry is used in power factor analysis, phasor relationships, impedance calculations, and AC circuit analysis. NETA Level 2 technicians must understand these relationships when evaluating voltage, current, and phase angles in testing scenarios.


NEW QUESTION # 40
A delta-connected load has aphase impedance of 12 #and is supplied from a480 V line-to-line source. What is theline current?

Answer: B

Explanation:
For delta systems:
Phase voltage = Line voltage = 480 V
Phase current = V / Z = 480 / 12 = 40 A
Line current = #3 × Phase current
= 1.732 × 40 #69.3 A
NETA Level 2 technicians must correctly distinguish between phase and line quantities when evaluating three- phase systems, as incorrect assumptions frequently lead to misinterpreted test results.


NEW QUESTION # 41
How many connection points are typically found on a Kelvin bridge used for low-resistance measurements?

Answer: A

Explanation:
A Kelvin bridge, also known as a four-wire resistance measurement device, usesfour connection pointsto accurately measure very low resistances. These consist of twocurrent terminalsand twopotential (voltage) terminals.
This configuration eliminates the effects of lead resistance and contact resistance, which can significantly distort measurements when testing bolted connections, bus joints, and grounding conductors. NETA Level 2 technicians routinely use Kelvin methods when performing low-resistance ohmic measurements during acceptance and maintenance testing.
Using fewer than four terminals would result in inaccurate readings, especially at milliohm or micro-ohm levels. Understanding this principle ensures proper test setup and reliable data interpretation.


NEW QUESTION # 42
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