AutoCAD Electrical reads both the settings on the WD_M block of the current drawing and a copy of the settings maintained in the current project's .wdp file. Any differences are displayed in a three-column dialog box.
Highlight the settings you want to copy over from the drawing to the project or vice versa or click Select All to change all the settings quickly.
Click Match Project to make the settings of the drawing match the project defaults or click Match Drawing to make the settings of the project match the settings of the current drawing.
Click OK.
Note: Changing these settings does not automatically change components and wiring already present in your drawing.