Both are 50-60 Hz (Cycles per second for us old salts) which alternate from a max positive to a max negative value at that rate. Difference is the transformer hanging on the light pole. 120 only uses half the winding....center tap to one side, whereas 240 is the whole winding.
Running distances, the losses which are non-productive are line current losses. So if it takes a certain amount of volt-amps to run a device, the lower the amps, the lower the loss, and the smaller the wire you can use to get the job done. And then there is power factor, but that isn't part of the line loss equation, just the power company's ability to sell you power...VI Cosine the phase angle.
Mark
Don't believe me? Why do cross country power lines run 66,000 volts or so?
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Today's Featured Article - The Rescue of a Fordson F - by Anthony West. Introduction I live in the UK and have for many years restored Fordson tractors (in the main model N's). I have also restored and shown model F's, E 27N's, Field Marshall Series 2, David Brown Cropmasters and the old rey Fergeson T 20. At one time I had seven restored examples which were shown and used in ploughing matches. As most restorers, I have a number of war stories I can relate on a range of topics that may help other like minded and interested people. Perhaps my first p
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