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    Exam 18: Short-Circuit Calculations and Coordination of Overcurrent Protective Devices
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    What Is the Approximate Line-To-Ground Arcing Fault Value on a 480/277-Volt
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What Is the Approximate Line-To-Ground Arcing Fault Value on a 480/277-Volt

Question 10

Question 10

Multiple Choice

What is the approximate line-to-ground arcing fault value on a 480/277-volt system where the line-line-line fault current has been calculated to be 30,000 amperes?


A) 11,400
B) 22,200
C) 26,700
D) 30,000

Correct Answer:

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