You can add to cable tray and conduit runs in the following ways:
Cable Tray or Conduit. Search to import (
), and add (
) the device.

Find or
.
Find

Find or
. Find

.Use the Conduit Properties palette for conduit and fitting settings.

Properties palettes for conduit* and conduit fittings
*Shows expanded properties including parallel routing mode
Use the Add Cable Trays dialog box for cable tray settings and the Add Cable Tray Fittings dialog box for fittings.

Dialogs for cable tray and cable tray fittings

You can also manually add fittings to your drawing, which is beneficial when you want to create unique connections to other runs or equipment.