I'm new to forum, and new to building a layout. I'm buying a ZW4000, and will be getting a DCS in near future, but will run conventionally until them. Some PS2s and a PS1 engines. Right now I have bus wires connecting to all track in the two loops, but in reading some of the posts, I see I should have run inner and outer loop separately, and isolated at between the two switch sets. this would allow to run inner and outer loops independently conventionally. So at this point, should I be cutting the center rail only and re-power the inner loop with a new bus, and keep the ground (outer track) common tied together, or should I be isolating all three rails (Power and ground) and run another ground too to he inner loop?
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