On Mon, 20 Jun 2011 14:56:07 -0400, Herbert Graf <hkgraf@gmail.com> wrote:
> They are pretty good though. I've used dozens on various projects over
> the years.
>=20
> Word of warning: they will fail after about 2 to 3 years of running
> 24/7. Only mode of failure I've seen is they have more and more noise on
> the power supply rail, getting progressively worse over 2 to 3 weeks,
> then they just stop. Considering how bloody cheap they are (I think I
> last saw them for $2.69 each) I don't mind them failing after years of
> service.

So are they certified devices? I.e. UL or CSA?  I have seen wall warts
with no rating information which makes me a bit queasy (especially running
them 24/7)

MD
--=20
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