-----Original Message-----
>From: RussellMc <apptechnz@gmail.com>
>Sent: Jun 17, 2011 10:45 AM
>To: "Microcontroller discussion list - Public." <piclist@mit.edu>
>Subject: Re: [EE:] One wire mains leakage current to power a circuit
>
>Essentially the 5V cct can be connected hard across the mains
>independent of the bulb and is always on
>It needs to withstand the mains voltage input while delivering low
>voltage output at 5V.
>
>The bulb serves to confuse the question.

If it's going in a wall switch box he may not have access to both sides.
It may not be good practice but I've seen plenty of ceiling lights where
the feed from the mains goes to the fixture and a 12/2 or 14/2 is run to th=
e switch.

Maybe he should look at some of the X-10 schematics to see how they handled=
 it.

chuckc


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