Scott & PSNetters,
You seem to understand the role of CTL in implementing the product
evaluation according to the requirements in the IEC standard. There has
been some contention in the past where the CTL decisions were changing the
requirements in some unintended way. CTL has made it pretty clear to their
participants that any issues that go beyond direct implementation must go
back to the IEC TC to get resolved.
I can't speak of implementation issues in test houses as I'm not
part of that food chain.
Manufacturers can follow the implementation issues by being part of
their NC and, by their representatives, the IEC TC responsible for the
standard that applies to their products. They can influence the
implementation thru these committees - clarifying requirements or whatever
else needs to be done to get the proper outcome of the evaluation. Working
thru the NCs keeps it properly balanced between manufacturers and test
houses.
:>) br, Pete
Peter E Perkins, PE
Principal Product Safety Engineer
PO Box 23427
Tigard, ORe 97281-3427
503/452-1201 fone/fax
[email protected]
_ _ _ _ _
I find the CTL decision sheets are helpful to interpret the IEC standards.
As a new user, I am not sure how it enforces the DSHs in testing
laboratories. Does any expert here shed some light on it? What are the key
differences in terms of enforcement between PDSH and DSH? As the
notification of DSHs and PDSHs are sent to MB, NCB and CBTL every Friday,
the core testing houses must be aware of these decisions and enforce
accordingly. How can those decisions be delivered to the manufacturers for
implementation?
Regards,
Scott
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