model train power supply Archives - Model Train Help Blog https://blog.model-train-help.com/tag/model-train-power-supply Model railroads and model trains Tue, 19 Sep 2023 00:23:43 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://blog.model-train-help.com/wp-content/uploads/2025/03/cropped-model-train-blog-32x32.jpg model train power supply Archives - Model Train Help Blog https://blog.model-train-help.com/tag/model-train-power-supply 32 32 Circuit Polarity and Power Needed To Haul 4 Engines https://blog.model-train-help.com/2023/09/circuit-polarity-and-power-needed-to-haul-4-engines.html?utm_source=rss&utm_medium=rss&utm_campaign=circuit-polarity-and-power-needed-to-haul-4-engines https://blog.model-train-help.com/2023/09/circuit-polarity-and-power-needed-to-haul-4-engines.html#comments Tue, 19 Sep 2023 00:23:42 +0000 http://blog.model-train-help.com/?p=6748 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 […]

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]]> 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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