Abd ul-Rahman Lomax schrieb:
>
> At 09:20 AM 7/4/01 -0400, Jeff Jolie wrote:
> >Hi All,
> >Can someone point me to where I can find information on trace width and
> >trace to trace spacing to comply with UL and CE requirements. I have 3
> >phases and neutral I need to route (120VAC/2A or 220VAC/1A). I've been told
> >the requirements are different for phase to phase vs phase to neutral trace
> >spacing. Thanks for the help.
>
> http://www.ul.com/info/standard.htm
>
> UL sells its standards through COMM 2000, you can find a link to them on
> the above page.
>
> The UL standards I have seen are targeted at specific products, generally;
> perhaps one exists now, but I have not seen a generic "printed circuit
> board" standard from them.
--- snip ---
Hi
don�t know much about UL but Found a Document titled
"Printed-Wiring Boards No. 796" on their site
http://ulstandardsinfonet.ul.com/catalog/part2abc.html
is thre anybody who know more about it?
Greatings,
Waldemar Kulajew
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