The circular mil area of a 250 kcmil bare copper cable is what measurement?

Enhance your knowledge with the IEC Year 2 Part 2 Test. Utilize multiple-choice questions and explanations to prepare for your exam!

The correct measurement for the circular mil area of a 250 kcmil (kilo circular mil) bare copper cable is indeed 250,000 cmils.

To understand this, it's important to recognize that "kcmil" stands for "kilo circular mil," which is a unit specifically used to express the cross-sectional area of conductors in electrical wiring. The prefix "kilo" indicates that the measurement is multiplied by 1,000. Therefore, when referring to a 250 kcmil cable, you are essentially stating that the area is 250,000 circular mils. This is a direct conversion where 1 kcmil equals 1,000 circular mils.

Consequently, the area of a 250 kcmil cable can be determined directly by multiplying 250 by 1,000, arriving at 250,000 cmils. This value is crucial for understanding the conductor's capacity to carry current and its overall suitability for various electrical applications.

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