> >OK.  I am trying to imagine the flow of the DC current within the big
> >picture involving the "offending" light bulb, a neutral and a hot wire.
> >What "unwanted" effect on the AC mains is obtained from the diode inline
> >with the bulb?  I hope I have been specific enough here.
>
> None.. The pole transformer sees more load on one half of the cycle than
> the other.
> If EVERYBODY used diodes on EVERYTHING, and they were ALL installed the
> same way, it would likely be a problem.  Odds of happening, near zero.

Ok, I understand.  But originally, there was talk of a DC component being
placed onto the line because of the diode.  Would the effect of the
diode/bulb be comparable to an impedance mismatch in feed lines along with
the associated consequences?

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