Free PDF Quiz 2026 NETA NETA_2 Accurate Latest Exam Forum

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NETA NETA_2 Exam Syllabus Topics:

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

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                            NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q73-Q78):

                            NEW QUESTION # 73
                            Arc-flash incident energy is expressed in:

                            Answer: A

                            Explanation:
                            Incident energy quantifies thermal exposure from an arc flash and is expressed incal/cm². This value is used to determine PPE requirements and safe work practices.


                            NEW QUESTION # 74
                            Which property of an insulating liquid is defined as thelowest temperature at which sufficient vapor is produced to ignite?

                            Answer: B

                            Explanation:
                            Theflash pointindicates the minimum temperature at which an insulating liquid emits enough vapor to form an ignitable mixture with air. This property is critical for safety assessment, handling, and classification of transformer fluids. NETA Level 2 technicians must understand flash point significance when evaluating insulating liquids used in electrical equipment.


                            NEW QUESTION # 75
                            On an electrical schematic, adot on a current transformer symbolindicates:

                            Answer: B

                            Explanation:
                            The dot convention indicatespolarity, showing the instantaneous current direction relationship between primary and secondary windings. Correct polarity is critical for protection schemes, differential relays, and metering accuracy. NETA Level 2 technicians must verify CT polarity during installation and commissioning to ensure correct relay operation.


                            NEW QUESTION # 76
                            Harmonics in an electrical system increase the risk of fire and electric shock.

                            Answer: C

                            Explanation:
                            Harmonics cause increased heating in conductors, transformers, and neutral paths, which can degrade insulation and increase fire risk. They can also create unexpected voltage conditions and elevated touch potentials. NETA Level 2 technicians must recognize harmonic-related risks when evaluating system performance, especially in facilities with nonlinear loads such as VFDs and power electronics.


                            NEW QUESTION # 77
                            An overcurrent relay is connected to a200:5 current transformerand has a pickup setting of4 A secondary.
                            Whatprimary currentwill cause the relay to operate?

                            Answer: A

                            Explanation:
                            A 200:5 CT has a ratio of40:1. A pickup of 4 A on the secondary corresponds to:
                            Primary current = 4 A × 40 =160 A
                            NETA Level 2 technicians must accurately convert CT secondary values to primary quantities when setting, testing, and verifying protective relays. Incorrect ratio interpretation is a common cause of miscoordination and false conclusions during commissioning.


                            NEW QUESTION # 78
                            ......

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