1arfarf3,
This primer should help answer a number of your questions...and some you haven't even thought of yet. You can either read it online or download it onto your computer.
Tom
https://tstage9.wixsite.com/nyc-modeling
Time...It marches on...without ever turning around to see if anyone is even keeping in step.
Considering dcc for a layout.
What size bus and feeder wire, and how often(feet wise) do you attach feeder wire to track? Also best method to attach feeder to bus? Also heard to have blocks for dcc?? But I thought that was only with dc wiring. Thanks.