WCACD is a standard SAP Table which is used to store WCM: Operational Class <-> PM Object data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The WCACD table consists of various fields, each holding specific information or linking keys about WCM: Operational Class <-> PM Object data available in SAP. These include IWERK (Maintenance Planning Plant), TGCLASS (Operational Class), CCOBJ (Technical Object), CCTYP (Item Category)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .