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2 Responses to DCC Wiring
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As long as your bus wires are less than roughly 25 feet and your consumption is less than 15 amps, 14/2 should be fine. Longer runs will probably work better if you use 12/2. That said, I would suggest single conductor solid wire, because it’s easier to attach track feeders with suitcase connectors. If you’re really handy with a soldering iron (or gun) you can make “T” taps and solder them (a little cheaper).
Track feeders from the bus to the track can be as small as 20 AWG. I make a practice of feeding the track every 3 feet. Track is a poor conductor, so that spacing should give even power to the rails all through the layout.
Ken
Herb, 14/2 will do fine for Dcc, for the bus line, your jumpers can be small. like telephone wire that comes in bundles of four and sometimes six, some hardware stores handle it in the bulk, thats what we use..I have helped wire three tracks, two with 14/2, one with 12/2, all work well..The distance between jumpers can vary from six feet to ten or so…..Herb Sr