moshe valdman wrote:
>
> Hello all,
>
> I'm interested in the SEMI S2-93 (requirements for safety,
> EMC, environment and other hazards for semiconductor
> manufacturing equipment).
>
> Can someone give some background on this? Is there some
> source of information on the Net? Is there a lab
Can anyone tell me where to obtain MIL-STD-285 standard; Method of
attenuation measurements for enclosures, electromagnetic shielding,
for electronic test purposes or equivalent.
Thanks in advance,
Raymond Li
The discussion on IT power systems has returned me to a subject which has
caused problems for some time. In Australia TT and IT power systems are
not allowed, and a PE is always provided. This makes life relatively
straight forward locally, but as some of our equipment has features which
rely on t
Rich,
This
>> the City's own testing laboratory and labelling service.
sounds odd. Is the City of Los Angeles running a NRTL? Heck, if I'd known
that I would not have bothered sending for UL.
Cortland
The discussion about Norway illustrates a lot of the confusion about the
term "IT system". It is very nonspecific. It has many uses, is applied
very differently in various countries and situations, and without more
description, can lead to assumptions about protection and available
voltages which a
> sounds odd. Is the City of Los Angeles running a NRTL? Heck, if I'd
known
> that I would not have bothered sending for UL.
Yes, they have their own testing laboratory and labelling service. I don't
think it's an NRTL; it's just for local approvals. To be able to sell
products in the city
Cortland Richmond wrote:
>Rich,
>
>This
>
>> the City's own testing laboratory and labelling service.
>
> sounds odd. Is the City of Los Angeles running a NRTL? Heck, if I'd known
>that I would not have bothered sending for UL.
>
>
>Cortland
Not an NRTL, Cortland, just their own test lab. Man
For all of you who are local to Massachusetts or will be in the area,
Northeast Product Safety Society will have its regular monthly meeting this
coming Wednesday, February 26, at EMC Corp.'s facility at 42 South St. in
Hopkinton. You will have an opportunity to talk to your colleagues and
fri
Thanks, Craig -- and the others who've explained LA policy to me --for the
information. Only in LA! It would seem the LA policy, like many other
requirements, is honored more in the breach than the observance, as witness the
large number of "we build 'em" computer stores -- who do neither product
I hear a very disturbing subject being openly discussed among several
of my European contacts. Distributors in Europe are saying that the
CE marking is a joke. That many companies (European Companies are
mentioned most often) are simply applying the CE marking to their
Yes, my experiences are similar. Inspectors do not want to approve any
equipment which is not NRTL approved, even though they are given this latitude
in OSHA, in 1910.399, definition: "acceptable", and the NEC in
110-3.a.1.FPN:( "Suitibility of equipment MAY be evidenced by listing or
labeling".)
Hi Keith:
> So here is what you do: 1. Verify
> with the engineer that the machine shows no signs of damage. 2. FAX him a
> letter telling him to hook it up and that the home office takes
> responsibility
> for any Code violation incurred by hooking up the machine with a
> questionab
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