5. Find Cm for a piece of wire has a diameter of .064 of an inch. 6. Find CM for a Wire has 24 strands of wire and each strand is .012 inches in diameter.

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Chapter12: Electronic Control Devices
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Wire size and voltage drop
The cross-sectional area of wire is measured in circular mils (CM).
1 mil = 1/1000 inch
CM = squaring of mil
Example 1:
Find CM for a piece of wire has a diameter of .008 of an inch.
.008 = 8/1000 = 8 mils
CM = 8² = 64 Find CM for a piece of wire has a diameter of .008 of an inch.
5. Find Cm for a piece of wire has a diameter of .064 of an inch.
6.
Find CM for a Wire has 24 strands of wire and each strand is .012 inches in diameter.
Transcribed Image Text:Wire size and voltage drop The cross-sectional area of wire is measured in circular mils (CM). 1 mil = 1/1000 inch CM = squaring of mil Example 1: Find CM for a piece of wire has a diameter of .008 of an inch. .008 = 8/1000 = 8 mils CM = 8² = 64 Find CM for a piece of wire has a diameter of .008 of an inch. 5. Find Cm for a piece of wire has a diameter of .064 of an inch. 6. Find CM for a Wire has 24 strands of wire and each strand is .012 inches in diameter.
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