We are ready and able to work with you on your electrical distribution needs, from transformer vault construction and high voltage power substation construction. The Robert Henry Corporation is the right choice for your high voltage electrical contractor.
Using Microsoft Visio. 1  1. Launch Microsoft Visio and click on âFile.â. 2  2. Click on âOpen.â. 3  3. Select âAutoCAD Drawing (*.dwg; *.dxf)â from the âFiles of typeâ list.  4. Navigate to the DWG file you want opened, then click âOpen.â Visio will open and display the DWG file.
Open an AutoCAD DWG or DXF file for review. 1  On the File menu, click Open. 2  Under Files of type, click AutoCAD Drawing. 3  Under Look in, select the folder that contains the file you want. 4  Select the file, and then click Open.