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| - An Excerpt from Automating Your Model Train Layout, 2nd edition, April, 2005 By Don Woodwell, NMRA Model RR Author When creating a miniature railroad, electricity is routed from a 110-volt AC source (220-volts overseas) plugged into a wall outlet, through a transformer that reduces the voltage, and then to the locomotives, rolling stock, signals, lights, sound systems, and other devices.
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