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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Systems and Commissioning5%- System-Level Testing
  • 1. System verification and documentation
    • 2. Commissioning procedures
      Topic 2: Component Testing55%- Electrical Equipment Testing
      • 1. Circuit breakers testing procedures
        • 2. Protective devices and relays overview
          • 3. Cables and insulation diagnostics
            • 4. Transformers insulation resistance testing
              Topic 3: Safety15%- Electrical Safety Fundamentals
              • 1. Hazard identification and risk mitigation
                • 2. Arc flash and shock hazard awareness
                  • 3. Lockout/Tagout procedures
                    Topic 4: Electrical Testing Fundamentals and Theory25%- Measurement Principles
                    • 1. Test data interpretation
                      • 2. Instrumentation usage
                        - Basic Electrical Theory
                        • 1. AC/DC fundamentals
                          • 2. Ohm's law and power relationships

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                            NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q12-Q17):

                            NEW QUESTION # 12
                            In azone-selective interlocking (ZSI)scheme, what condition allows an upstream breaker to tripwithout intentional delay?

                            Answer: D

                            Explanation:
                            In ZSI schemes, downstream breakers send restraint signals upstream when they detect faults. Ifno restraint signal is received, the upstream breaker assumes the downstream device failed and tripswithout intentional delayto clear the fault. NETA Level 2 technicians must understand this fail-safe logic when commissioning protection systems and verifying selective coordination.


                            NEW QUESTION # 13
                            What is theRestricted Approach Boundaryfor a69 kVsystem?

                            Answer: C

                            Explanation:
                            Approach boundaries are central to electrical safety programs aligned with NFPA 70E concepts and the safe work practices expected of NETA technicians. TheRestricted Approach Boundaryrepresents the distance from an exposed energized conductor or circuit part where there is an increased likelihood of shock, requiring specialized training, PPE, and controls. Entry is tightly controlled and generally requires work planning, justification, and protection methods.
                            For a69 kVsystem, the target Restricted Approach Boundary in your flash cards is3 ft 10 in. This value is used in field safety planning to establish barricades, determine permissible proximity, and ensure that only qualified persons with appropriate protective measures enter that space.
                            NETA Level 2 technicians must be able to apply boundaries when setting up test areas, especially in switchyards and medium/high-voltage environments, where inadvertent approach can occur during lead placement, phasing, or instrument setup. Correct boundary application is not optional-it is a foundational requirement to prevent shock exposure.


                            NEW QUESTION # 14
                            An induction motor has a 40 kVA input, a power factor of 0.82, and an efficiency of 92%. What is the approximate output horsepower?

                            Answer: A

                            Explanation:
                            To calculate motor horsepower, real power must first be determined. Real power (kW) is calculated by multiplying apparent power (kVA) by power factor:
                            Real Power = 40 kVA × 0.82 = 32.8 kW
                            Next, efficiency must be applied to determine output power:
                            Output Power = 32.8 kW × 0.92 = 30.176 kW
                            Horsepower is calculated by converting kilowatts to horsepower using the conversion factor:
                            1 HP # 0.746 kW
                            Horsepower = 30.176 ÷ 0.746 #30.2 HP
                            NETA Level 2 technicians are expected to understand power relationships, including apparent power, real power, power factor, and efficiency. These calculations are commonly used when evaluating motor performance, loading conditions, and acceptance testing results.


                            NEW QUESTION # 15
                            Secondary injection testing of a low-voltage air circuit breaker is:

                            Answer: C

                            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 # 16
                            Each switchboard used asservice equipmentmust be provided with amain bonding jumper.

                            Answer: B

                            Explanation:
                            A main bonding jumper is required to connect the grounded conductor (neutral) to the equipment grounding conductor at the service disconnect. This establishes a low-impedance fault return path necessary for overcurrent devices to operate promptly. NETA Level 2 technicians must verify proper bonding during acceptance and maintenance inspections because improper bonding can lead to elevated touch potentials and ineffective fault clearing.


                            NEW QUESTION # 17
                            ......

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