While not answering the question... I have seen medical rated wall
warts. I believe they had a ground pin that was connected to an
electrostatic shield between primary and secondary.
        On the wall wart front... Anyone aware of a wall wart rated for OUTDOOR
use? I have an application where I need a 12V, 1A, 120VAC input wall wart
that is not marked "for indoor use only." I doubt it would be used in the
rain, but I think we'd have a hard time selling an outdoor product with
these indoor wallwarts.
        One more wall wart... How about one with a 3 prong US plug (hot,
neutral, ground) AND has the ground connected to the negative side of the
output? Most that I've seen seem to be like the medical one I described
above. The output floats (is not grounded).

Thanks!

Harold



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