Originally Posted by

**kefox81**
I am still studying for my WV Master Electricians Exam. I have been going along pretty good but I just hit a brick wall. Here is the question from my practice test.

A 30 amp 230 volt load is located 100 feet from the source. What is the minimum size branch circuit conductor required to operate within the limits for voltage drop that is recommended be the NEC?

a. # 10 conductor

b. # 8 conductor

c. # 6 conductor

d. #4 conductor

The book says the correct answer is B. I have no idea how to come to this conclusion. Can anyone help me?

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