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Reply to "operating on DC"

Generally speaking, using AC in models results in a little more heat because it gets converted to DC, to be used in turn by a DC motor, at least in most modern locomotives.  This conversion process generates a little extra heat because it's not 100% efficient.

For incandescent lamps there is no difference.

For LED's AC again generates a little more heat because the LED, via its diode function, blocks 1/2 of the AC waveform.  This too is not 100% efficient.

Mike

Last edited by Mellow Hudson Mike
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