Martin McCormick wrote:

>        Some of those electronic light switches that are for
>incandescent bulbs only use a SCR instead of a triac so the bulb runs
>on half-wave pulsating DC.  If they do that in the circuit, there is
>the other half-cycle of AC that is un-touched and will be at about the
>same voltage no matter if the light is on or off.  The bulb will burn
>at a slightly lower brightness because the over all energy level is
>.707 times the RMS level, but it will basically work normally.
>
>

"Slightly lower brightness" ?? Try it for yourself one day.
Running a lamp with half wave is more than slightly reduced!
David...

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