George,
        In the meantime: 
0 no protection
1 objects greater than 50mm (eg accidental touch by hand)
2 objects greater than 12mm (eg fingers)
3 objects greater than 2.5mm (eg tools and wires)
4 objects greater than 1.0mm (eg tools, wire and small wires)
5 dust protected (limited ingress- no harmful deposit)
6 dust tight 

Regards, Andy.
> ----------
> From:         [email protected][SMTP:[email protected]]
> Reply To:     [email protected]
> Sent:         28 July 2000 14:07
> To:   [email protected]
> Subject:      Protection Against Ingress of Water - -IPXX
> 
> 
> It seems I acted too quickly.  Annex T of IEC 60950 describes these
> ratings,
> at least the meaning of the second "X" in IPXX.  We are now looking for
> the
> base standard IEC 529 for the meaning of the leading "X".
> 
> //////////////////////////////////////////////////////////////////////////
> /
> Earlier post:
> 
> I have misplaced a file that explains the various IP ratings
> for ITE as to the above subject.  Does someone have these to
> post, or a website listing these?
> 
> I have been asked about IP54 and IP64.
> 
> Many thanks,
> 
> George Alspaugh
> Lexmark International Inc.
> 
> 
> 
> 
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