Question 10085 of 931 · Texas Journeyman Electrician Exam
For a feeder supplying a group of arc welders, what percentage is applied to the two largest welders' current?
Exactly one answer is correct.
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Correct answer to question 10085
- B: 100 percent
Explanation
The feeder ampacity for a group of welders is based on 100 percent of the two largest welders, 85 percent of the third, 70 percent of the fourth, and 60 percent of the rest. These factors reflect the low likelihood of all operating at once.
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