Re: gEDA-user: powermeter board, with less ground planes :-)

[DJ Delorie <dj@xxxxxxxxxxx>]

> Be careful. If for some reason the USB ground comes off and that's the 
> only ground it'll be anyones guess where any capacitively coupled 60Hz 
> will go. If it picks the data lines ... bzzzt ... poof. At least there 
> should be some kind of bleeder.

Thanks for the warning.

> If by circuit panel box you mean the breaker box (or a sub-panel) 
> legally you aren't supposed to do that AFAIK.

I suspect you're right, but then again, I don't plan on these being
*that* permanent.  Ideally, they'd run off a transformer in the box
and use radio or fiber to get the data out, but radio won't pass
through a metal box that easily.


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