Browse to and select an optional secondary catalog database.
If the Electrical Catalog Browser is not open, click Assembly tab
Component panel
Place drop-down
Electrical Catalog Browser. 
Click
.

Click the browse button next to the Secondary Electrical Catalog Database edit box.
Locate and select the electrical catalog database you want to use as the secondary catalog database.
Click OK.
If you want the Electrical Catalog Browser to search the secondary database, select Search Database: Secondary.