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.
DWG (drawing) is an AutoCAD (Computer Aided Design) file format used for storing two and three dimensional design data and metadata. It is one of the most commonly used design data formats, which is also supported by IntelliCAD and all its variants, PowerCAD, and several other software applications.