Last Updated
：2025/11/21
circular mil
Noun
Japanese Meaning
電気導体の断面積を測定するための非SI単位。1 circular mil (CM)は、直径0.001インチの円の面積に相当し、約0.0005067平方ミリメートルである。
（ plural ）
Quizzes for review
The non-SI unit for measuring the cross-sectional area of an electrical conductor: 1 CM= area of a circle having diameter of 0.001 inch; use capitals to distinguish from centimeter; 0.000 506 7 sq millimeters.
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circular mil
The engineer calculated that the copper wire needed a cross-sectional area of 2500 circular mil to safely carry the current.
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The engineer calculated that the copper wire needed a cross-sectional area of 2500 circular mil to safely carry the current.
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