Yes, UL will actually take your beautiful prototype and literally torch it.
You get back a little bag of ashes and melted, blackened plastic. Its very
disconcerting the first time you see it...!

--Bob

At 09:21 PM 7/29/2003 +0300, you wrote:
> > If they say a device that can deliver up to 450W is safe, I sure do not=
> > trust UL marking!!
>
>I think that the way they reason is, if the unit cannot arc then it won't
>start a fire since the materials the unit is made of are self-quenching
>(they test this too - with a flamethrower I hear). The minimum arc voltage
>in air is about 50V afaik. Their 30V would be safe.
>
>Peter
>
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