> btw, one thing I do not recall seeing on this thread is that 208v avoids one > of > the common problems with 120v, which is the third harmonic issue. > > With the cheaper switching power supplies, one will often see significant 3rd > harmonics in the waveforms(*). The 3rd harmonic, across a 3 phase circuit, > are additive on the neutral. In worst case, your (common) neutral current > may exceed the line currents. Proper engineering for significant 120v > distribution in new DC construction often requires double sized neutrals to > mitigate against this. > Using 208v mitigates this particular issue.
I should have been clearer, when I originally said, "it lessens neutral currents." I meant that to mean, as well, less harmonics.
