Question 13040 of 790 · California General Electrician Exam
A 240 volt single-phase load draws 50 A through 6 AWG copper (26,240 circular mils) that is 200 feet long one way. What voltage is available at the load?
Exactly one answer is correct.
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Correct answer to question 13040
- D: 230.2 V
Explanation
VD = 2 x 12.9 x 50 x 200 / 26,240 = 9.83 V, so the load sees 240 minus 9.83 = 230.2 V. Adding the drop instead of subtracting gives 249.8 V.
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