In span equipment is any piece of equipment which attaches to a catenary wire or auxiliary wire in the span between two structures.
Section insulators, splices, line guards and cut-in insulation are examples of in span equipment.
In Lineardraft, the 3D model of in span equipment is defined by the design catalogue it belongs to, whereas the 2D annotation is controlled by project settings.
Below is an example of in span equipment highlighted between two masts.