Size For Cables - How To Calculate Conduit

[ \textMin conduit area = \frac0.26190.40 = 0.65475 \text sq in ]

Elena had just passed her journeyman electrician exam, but her first solo task on a commercial job site still made her stomach flutter. Her foreman, Mike, pointed to a bundle of cables on the floor. how to calculate conduit size for cables

[ \textMin conduit area = \frac\textTotal wire area0.40 ] [ \textMin conduit area = \frac0

She replied, “Total wire area is 0.2619 sq in. 40% of 3/4" EMT is only 0.2316 sq in—that’s not enough. 1" gives us 0.864 sq in, which is well within code and allows for future pulls.” how to calculate conduit size for cables

Mike grinned. “Why not 3/4 inch? It’s cheaper.”