DCC manufacturers want you to think you can run your entire layout using just 2 wires. This doesn't account for buses, feeders, networking wires, power cords, throttle networks, etc.
Converting to DCC - If you are currently using DC, this article can help you get started on converting an existing layout to DCC.
Wiring Your Layout - Great overview of things you'll need to be prepared to wire and provides best practices.
Wiring Tools - You'll need some basic tools to successfully wire you're layout - learn about various hand and power tools that will can save you time and frustration.
Wire Sizes and Spacing - Using the wrong wire size can cause layout problems down the road. Plan ahead and use the correct wire for smooth operations.
Soldering - Learn about soldering track wires to provide a long-lasting physical and electrical connection. Provides helpful tips and cautions when soldering.
DCCWiki is an encyclopedia for sharing information about Digital Command Control (DCC) as defined by NMRA used in railroad modelling. We also started a new section for the new Layout Command Control (LCC) standard from the NMRA which can be used to enhance your layout with signalling, accessory control, and other features.
DCCWiki's new DCC forum is located at DCCTalk.com. This is a great place to get help on anything DCC or DCCWiki related. You'll need to create an account or login before posting to the forum.