model train power supply
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Circuit Polarity and Power Needed To Haul 4 Engines
David asks:
“I have an N scale layout DC system with five main loops, a number of sidings and a turntable using a separate DC controller for each of the five main loops and isolating switches for sidings and turntable. My question is going to DCC do I just parallel up all circuits maintaining same polarity? The main layout is approximately 8X4 feet, each loop is probably about 20 feet. Also what size power supply would I need to probably run about 4 engines at any time?”
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