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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Component Testing | 20-25% | - Protective Devices Testing
|
| Topic 2: Testing Procedures and Standards | 25-30% | - NFPA 70E Electrical Safety
|
| Topic 3: Documentation and Reporting | 10-15% | - Test Documentation
|
| Topic 4: Electrical Theory and Fundamentals | 15-20% | - AC/DC Circuit Analysis
|
| Topic 5: Testing Equipment and Instrumentation | 20-25% | - Voltmeters and Ammeters
|
>> Hot NETA NETA_2 Spot Questions <<
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NEW QUESTION # 26
What effect does enablingthermal memoryhave on thelong-time delay (LTD)operation of a low-voltage digital overcurrent protective device?
Answer: B
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 # 27
A tagout device must be able to withstand a minimum pull force of:
Answer: A
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 # 28
OSHA requires testing of a voltmeterafterverifying absence of voltage when testing circuits above what voltage level?
Answer: C
Explanation:
A core safety practice in electrical testing is verifying that your voltage tester is functioning properlyboth before and afterperforming a test for absence of voltage. This practice is commonly summarized as"live- dead-live": test the meter on a known live source, test the circuit (dead check), then re-test on a known live source to ensure the meter didn't fail during the process.
Within OSHA-related electrical safety expectations and common field practice aligned with NETA work, this verification is emphasized especially in higher-voltage contexts, and the flash-card target here isabove 600 V.
Above this threshold, the consequences of a false "dead" reading are severe, and verification of instrument operation becomes non-negotiable.
NETA Level 2 technicians must demonstrate disciplined instrument verification habits. Even if a meter reads zero, it must be proven functional immediately afterward. This prevents relying on a meter with a blown fuse, dead battery, damaged leads, or internal failure-each of which could incorrectly indicate "no voltage" on an energized system.
NEW QUESTION # 29
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: D
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 # 30
On a circuit breaker equipped with a solid-stateLSIGtrip unit, what does the"I"represent?
Answer: A
Explanation:
LSIG stands for Long-time, Short-time, Instantaneous, and Ground-fault protection. TheInstantaneous element provides rapid tripping with no intentional delay for high-magnitude faults. NETA Level 2 technicians must understand trip unit elements when performing injection testing and verifying protective coordination.
NEW QUESTION # 31
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