Exam NETA_2 Topic 1 Question 43 Discussion

Actual exam question for NETA's NETA_2 exam
Question #: 43
Topic #: 1
A delta-connected load has aphase impedance of 12 #and is supplied from a480 V line-to-line source. What is theline current?

Suggested Answer: D Vote an answer

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.

by Stanley at Jun 02, 2026, 03:43 PM

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