I think you have the right idea Richard.
One other detail about this kit: The instructions that come with the kit show an isolated circle connected to an R/C line so you could, theoretically, have an isolated electric section running with R/C trains at the same time.
I guess it opens up some opportunities if you have a bunch of unused LGB track laying around that you want to combine with your R/C track...
I bought them not knowing exactly what they were until I opened the package and saw the instruction sheet. Who knows, they may come in handy somewhere, someday.