The Basics Of Determining Raceway Fill

You may have laughed at the electrical drawing the first time you saw it, but now you have to finish the installation, and you still don't have a good drawing. For one thing, the conduit fills are obviously all wrong. Nobody puts 45 No. 12 wires and 15 No. 14 wires in single half-inch raceway. You're out in the field, and you don't have a computer with you. How do you determine what size raceway you

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