How do you show grounding for transformers (wye neutral grounded) in autocad electrical?

When drawing a single line diagram of a power distribution system we need to show transformer connections. I am trying to draw a single line diagram in AutoCAD electrical. Does anyone know how to show the grounding connections delta wye with wye neutral grounded? Thank you for your help.
Asked Mar 23, 2013

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.