Modifying a Cable Tray Size

1. Click Manage tabSettings panelMEP Settings drop-down Electrical Settings.
2. In the left pane of the Electrical Settings dialog, expand Cable Tray Settings, and click Size.
3. In the right pane, select a cable tray size, and click Modify Size.
4. In the Modify Cable Tray Size dialog, enter a size, and click OK.