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    Exam 18: Short-Circuit Calculations and Coordination of Overcurrent Protective Devices
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    To Obtain the Approximate Short-Circuit Current Values When Two Hot
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To Obtain the Approximate Short-Circuit Current Values When Two Hot

Question 17

Question 17

Multiple Choice

To obtain the approximate short-circuit current values when two hot conductors of a 3-phase system are shorted together, use ____ percent of the 3-phase current value.


A) 50
B) 67
C) 83
D) 87

Correct Answer:

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