My understanding is that (at least in the USA) agencies own the copyright to
their logo.  Their weapon is the copyright law against infringement.  They
license a manufacturer for a well-defined but limited use of their logo.

Most of the agencies certify manufacturing locations and perform periodic
follow-up surveillance of these manufacturing locations.

I am aware of emergency situations where the agency sends its field
representative to inspect and apply logos to equipment already installed (a
Canadian Hospital).  This was a very expensive procedure; the T&E for the
agent exceeded the value of the equipment.

David Sterner
ADEMCO

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Friday, September 22, 2000 10:02 AM
To: [email protected]
Subject: RE: Application of agency safety markings



As we know, IEC 60950 only addresses "Marking and instructions" for the
safe use of ITE.   It does not address agency marks, or when and where they
are applied.

If I were starting the first certification agency in the universe, common
sense would dictate that the "mark" of conformity be applied at the time
and place of safety testing, viz. hi-pot, earthing resistance, and leakage.
This generally takes place immediately before the product is packaged for
warehousing and/or shipment.

However, assume that an ITE product is built at location A, and shipped to
location B for final safety testing. If my "new" agency is going to require
factory inspections, it would require going to location A to verify the
components used are correct, and to location B to verify that appropriate
production testing was taking place.  I would still want the "mark" applied
at location B, even though the "mark" is based on successful inspections at
both locations.

In today's world, agencies have provisions for "split inspections" to deal
with such a situation.

It would be hard to justify applying a "mark" of conformity anywhere other
than where the product is manufactured and/or tested.

George Alspaugh
Lexmark International Inc.

[My personal opinions.]



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