At least the heavi conductive wire doesn't take into account assigned priority when replacing heavi-watt.
Here's an heavi-watt
Select Heavi conductive wire and check priority 7 for example
Replace heavi-watt by heavi conductive
And check priority. Is 5, should be 7.
Steps to Reproduce
Select Heavi conductive wire and check priority 7. Replace existing heavi-watt by heavi conductive, then check priority layer.
This issue has not been confirmed by a developer yet.