Breaker panel label

My vote is General Purpose, most likely a series of outlets.

Turn it off and see what doesn’t work. Then you will know.

General purpose!
It could feed a GFCI receptacle.

Agree, general purpose--probably most of the "normal" outlets in the RV, though exactly what it is actually wired to is only found by investigating your specific RV (i.e. tracing wires or just seeing what isn't live when it is turned off).

fyrflie wrote:
Turn it off and see what doesn’t work. Then you will know.

Hey now that’s using common sense.