Is it OK to have two different Labels on same wire?

Schematic
1

On the schematic drawing is it OK to have 2 different Labels on the same wire?
For instance…
The Signal Name at one end of the wire… like “RT_CTL”
and
the Microprocessor Pin Name at the other end… like “RA0”

Will the fact that RT_CTL and RA0 are connected by a line on the schematic be enough for the auto router to know to connect them?

Thanks for any help.

2

is it OK to have 2 different Labels on the same wire?

Yes, this is ok. But because this could also be an unintentional user-mistake Kicad reports such situations as ERC-warning/error.
It’s possible to exclude these ERC-warnings or disable these type of ERC-check at all.

If you want to see if Kicad recognizes these (or any other) connection (or you are unsure which items are connected) use the highlight-tool and click on the wire. All other conected wires/busses/pins get also highlighted.

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