Cable In Conduit Chart
Running Romex (Non-Metallic sheathed cable) inside a conduit is a common practice for protecting exposed wiring in basements, garages, or outdoor runs. Because Romex is an oval-shaped assembly (containing multiple insulated conductors and a ground), it takes up significantly more space than single THHN wires.
A cable in conduit chart is essential for several reasons: cable in conduit chart