Understand the concept
Conduit bends must be planned around offsets, saddles, bend radius, and total bend limits. Good layout minimizes rework and helps avoid damaged conductors.
Box-fill calculations account for conductors, devices, clamps and grounding conductors according to the applicable electrical code and box volume. Values depend on conductor size and code edition.
TRY IT YOURSELF
Practice task
Practice bend geometry on scrap EMT and calculate a sample box fill on paper. Verify current NEC requirements with your instructor before any installation.
CHECK YOUR UNDERSTANDING