Question 1021 of 790 · California General Electrician Exam

A circular mil is defined as the area of a circle with a diameter of:

Exactly one answer is correct.

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Correct answer to question 1021

  • B: One thousandth of an inch

Explanation

A mil is 0.001 inch, and a circular mil is the area of a circle one mil in diameter. Conductor sizes larger than 4/0 AWG are expressed in kcmil (thousands of circular mils).

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