

After selecting the block make sure directory is pointing to iec library folder (was nfpa).

Replace NPFA with IEC as shown below (marked in RED), then save and close. AutoCAD Electrical toolset provides library symbols that comply with the standards: IEEE 315/315A IEC-60617 NFPA The IEEE and IEC library symbols are metric.Open WD.ENV (in notepad) which is in the AeData folder (along with the Proj and Tutorial folders).Are they IEC or NFPA (I guess they are NFPA)? When the setup window appears, click Add or Remove Features. From the list of installed programs, double-click AutoCAD Electrical. Click + of the Schematic Libraries to find out the default symbol libraries. From the Windows Start menu or Windows taskbar search, open Programs and Features.In the Project Settings tab click Schematic Libraries then click Default.

Check your project properties: right click project> properties.Check your project Settings: right click project>Settings, in the lower window you can see what symbol libraries are used – IEC or NFPA?.What is happening here is your project is IEC standard project ie it supposed to symbols from IEC library folder whereas ACADE is defaulted to NFPA standard ie WD.ENV file is telling ACADE to use NFPA Symbols instead.
