You would like to know how to locate additional AutoCAD or AutoCAD LT symbol libraries
AutoCAD and AutoCAD LT do not ship with extensive symbol libraries. Libraries can be created or you may search online for free libraries made available by different companies. Many manufacturers in different industries provide libraries of blocks for their products for use with AutoCAD and AutoCAD LT. Some are free while some may have a fee associated.
AutoCAD versions up through 2018 include the SEEK command, which will launch a web browser to https://bimobject.com/en-us, from which free downloadable symbols were available. However, Autodesk no longer owns that site. There is still downloadable content from that site, though, but Autodesk no longer controls whether or not it is free to access.
Note: On January 16, 2017, Autodesk transferred the operations and customer support obligations related to the Autodesk Seek business to BIMobject. As part of this arrangement, BIMobject assumed the operational responsibility for providing Autodesk Seek customers with high-quality building information modeling (BIM) content services on the BIMobject Cloud.
