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NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q70-Q75):

NEW QUESTION # 70
What is the purpose of ablow-out coilin a circuit breaker?

Answer: B

Explanation:
A blow-out coil produces a magnetic field that forces the arc into an arc chute, lengthening and cooling it to aid extinction. NETA Level 2 technicians must understand arc-control mechanisms when inspecting breaker design and evaluating interruption performance.


NEW QUESTION # 71
A tagout device must be able to withstand a minimum pull force of:

Answer: B

Explanation:
Tagout devices are required to be durable enough to remain attached and legible under typical industrial conditions. A common OSHA-based minimum strength requirement cited in training and field practice is that tagout devices must withstand at least50 pounds of forceto prevent accidental detachment or removal.
NETA Level 2 objectives reinforce that LOTO is not paperwork-it is a physical hazard control program.
Tags must be secured using non-reusable, self-locking means such as a nylon cable tie that meets strength requirements. If a tag can be easily pulled off, it fails as a control measure and increases the likelihood of unauthorized operation.
Even though tagout does not physically prevent operation like lockout, it still must provide reliable warning and procedural control. Ensuring tag integrity is part of the technician's responsibility when applying or verifying hazardous energy control practices before testing or commissioning.


NEW QUESTION # 72
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 # 73
What is the turns ratio of a three-phase 500 kVA, 13,200-480 V delta-delta transformer operating at 80% load?

Answer: D

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 # 74
In azone-interlocked low-voltage circuit breakerscheme, if the breaker responsible for clearing a fault fails to operate, which statement is correct?

Answer: C

Explanation:
Zone-selective interlocking (ZSI) improves coordination by allowing downstream devices to trip first while restraining upstream devices. If the downstream breaker fails to clear the fault, restraint signals are removed and thenext upstream breaker tripsto isolate the fault.
NETA Level 2 technicians must understand this fail-safe behavior when commissioning protection systems and validating coordination logic.


NEW QUESTION # 75
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