Creo Tutorials > Clearance and Creepage Extension > Beginners Tutorials > Assigning CTI Parameter
  
Assigning CTI Parameter
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1. Open Fuse.prt
2. Click Tools > Parameters. The Parameters dialog box opens.
 
* There are only two parameters, DESCRIPTION and MODELED_BY.
3. Click OK to close the Parameters dialog box.
4. Close Fuse.prt
5. Open 13_amp_plug.asm
6. From the Model Tree, select TOP_BODY, right-click, and select Hide.
7. Click Analysis > Clearance and Creepage. The Clearance and Creepage dialog box opens.
 
TOP_BODY is excluded from the list as it is currently hidden.
All the CTI values are set to -1. This means a CTI Value has not been assigned for any part.
8. Change the drop down below the part list from None to Undefined (-1).
9. Click Highlight CTI. All the parts are highlighted.
10. Assign a CTI value of 20 to
LIVE_PIN_INSULATOR_SLEEVE
CORD_GRIP
LOWER_BODY
NEUTRAL_PIN_INSULATOR_SLEEVE
11. Click Highlight CTI. All the insulator parts do not highlight.
12. Assign a CTI value of 0 to the remaining components
13. Change the drop down below the part list from Undefined (-1) to Conductive (0).
14. Click Highlight CTI. All the conductive parts get highlighted.
 
* The entire fuse is highlighted.
15. Click Apply CTI Values. The Apply CTI dialog box opens.
16. Click Yes to apply CTI values to all parts.
17. Click Close to close the Clearance and Creepage dialog box.
18. Open Fuse.prt
19. Click Tools > Parameters. The Parameters dialog box opens.
 
* The parameter COMPARATIVE_TRACKING_INDEX has been added.