Hi Anca
Open Properties for the conduit and change the size under Feature > Description:
see more here:
docs.bentley.com/.../GUID-4B46F4D8-ED0E-4A82-AE2F-D9AC0CDDC130.html
Thank you Cwiek for your response! I have created a few electrical ducts and changing the size doesn't work for me.
Also, I need to create rectangular manholes (nodes) for the electrical network and I can't figure out how to do it.
Your help is much appreciated!