Referring to the clause stated in TBDY 2018, the environmental exposure class will be specified on the drawing sheets, you can select the "Environmental exposure class" from the drop-down list on the Analysis Settings/Other tab  to be shown on the drawing letterheads .

Usage steps:

  • Open the Analysis Settings dialog.

  • Click on the other tab.

  • Choose from the list of environmental exposure classes.

  • The selection you made on the letterheads will appear when you draw.