To query or edit multiple recurring panel instances, go to
Ribbon: DM Electrical->Distribution Equipment-> 
Query or Edit Multiple Recurring Panel Instances
Pulldown Menu: DM Electrical->Distribution Equipment->Recurring Panel Instances->Query or Edit Multiple
You can select multiple recurring panel instances in the list using the SHIFT or CTRL keys.
Select one or more recurring panel instances and press the OK button.
Select from Drawing: Press this button to select one or more recurring panel instances on the drawing. The dialog box will close and you will be prompted to select instances.
Select recurring panel instances to edit:
Select objects:
The Edit Multiple Recurring Panel Instances dialog box will be opened with those instances selected. You can then view the instances and make changes as necessary.