Single Cable Procedure
- Last UpdatedAug 01, 2025
- 3 minute read
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If sizing a single cable, the following message is displayed:

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Click Yes to continue with external cable sizing.
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The first tab on the window, <selected project standard> Cable Sizing is replaced by an EXT. Cable Sizing tab.
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The following message is then displayed:

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Click Yes if the tab is to be completed with the default values entered in the Cable Sizing Configuration window in Electrical Engineer.

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Click No if the fields on the tab are to be blank.
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Select the appropriate details on the EXT. Cable Sizing tab and complete the Cable Length field.
Note:
The minimum value that may be saved in the Permitted Volt Drop and Starting Volt Drop fields is 0.05.
The maximum value permitted for the Permitted Volt Drop field is 20. The maximum value permitted for the Starting Volt Drop field is 30. -
Proceed as described in Calculate Single Cable Size to complete the rest of the fields, tabs, etc. with the required details, and click Size Cable.
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The import of cable sizing data from the template is then initiated, and the Compare/Update window is then displayed:

The window shows the differences between AVEVA Electrical data and proposed (imported Excel template) data for the load.
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To accept the changes either, select individual field data by clicking Accept checkbox for each, or select the Accept All checkbox at the top of this window.
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To save the checked (accepted) data, click Save (alternatively cancel the sizing procedure by clicking Stop Cable Sizing).
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The cable sizing values from the template are then imported and the Cable Sizing Result window is displayed:

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When the cable sizing procedure takes place, the results of the procedure are saved to a temporary results file. This is a copy of the template file completed with the results of the procedure. Click Yes to view it in Excel. Click No if this is not required.
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Check the Don’t show again checkbox before clicking the required button if there is no need for this window to be displayed again.
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The Sizing Result tab is completed with the results of the procedure. Use the Update button to select the cable catalogue number , as described in Calculate Single Cable Size.