What Pete is describing is quite fitting for Europe and the US.    However,
in the rest of the world, what is accepted and/or required varies as much as
the different flora and fauna around the world.   South Africa, for example,
does not care for compliance to an EN60 950 document, but will accept
compliance via a CB Scheme report to IEC 950  (but not to EN60 950!).
What we do, therefore, is have the CB report and Certificate reference both
EN60 950 and the IEC 60  950 document!!!
There are other countries (and since their requirements are constantly
changing, I will not point them out here) that will accept US safety and/or
FCC Part 15 compliance.    Other countries will require compliance and/or
testing to their own national standards in their own country.   You need to
approach each case individually at any given time since requirements,
agencies, addresses, and even governments are constantly changing.

Tania Grant, Lucent Technologies, Octel Messaging Division
[email protected]


----------
From:  Peter E. Perkins [SMTP:[email protected]]
Sent:  Tuesday, July 20, 1999 1:46 PM
To:  Biggs, Daniel (IndSys, GEFanuc, NA)
Cc:  PSNetwork
Subject:  IEC950 vs. EN 60950



Daniel & PSNet,

        IEC 950 - now IEC 60950 - is an international standard, meaning
that all countries participating in the development of the standard bring
their codes and practices to the table and some subset of the same is
included in the final standard.  

        EN 60950 is the European version of that standard.  It includes
specific Euro codes and practices which were not agreed to by the
international community.  These differences are important and must be
adhered to in complying with the standard.  You cannot claim compliance to
the EN for CE marking purposes without meeting these deltas.

        In the same way, UL 1950 is the American version of IEC 950.  It
includes many American changes that result from our codes and practices
here.  In order to get NRTL certification to this standard, the equipment
must comply with these deltas, too.

        From a certification point of view, the IEC standard is not
important.  The equipement must meet the locally adopted version for
compliance.  From a standards development or future looking viewpoint the
IEC standard is driving the local standards in the highest or most general
way.  

        The manufacturer's dream is to see all of these standards be
exactly equal in wording - i.e. no local deltas.  Probably not in my
lifetime - there are some basic underlying requirements in each market.  In
America, for instance, the NEC contains basic requirements which will not
change soon; plus there are legally driven requirements based upon case law
that companies have to meet in America - such as the use of ANSI labels
else the product markings are deficient.

        So, get the local standards and comply with them...  that's the
requirement.

:>)     br,     Pete Perkins

        - - - - -

        Peter E Perkins
        Principal Product Safety Consultant
        Tigard, ORe  97281-3427

        +1/503/452-1201 phone/fax

        [email protected]      email

        visit our website:

                http://ourworld.compuserve.com/homepages/peperkins

        - - - - -

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