Determines the diameter of the wire. 
Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since:  2013 
Syntax
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Field Value
The value should be positive and less than 12 inches/300 mm.Exceptions
| Exception | Condition | 
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| Autodesk.Revit.ExceptionsArgumentException | When setting this property: The given value for wireDiameter is not a number | 
| Autodesk.Revit.ExceptionsArgumentOutOfRangeException | When setting this property: The wire diameter wireDiameter is negative or greater than 12 inches/300 mm. |