To view and edit a specific room's definition, go to
Ribbon: DM Electrical->Buildings and Rooms-> 
Query Room
Pulldown Menu: DM Electrical->Building Definition->Query Room
You will be prompted to identify the room on the drawing that is to be queried.
Specify point inside room to query:
The Room Electrical Design Criteria dialog box will appear.
Room Electrical Design Criteria Dialog Box
Changes can be made to the room in the same way as when using the Edit Room command. See the Edit Room section for more information.