The "Company" has the right to accept or not any component for any
reason even though in this case the reason they give seems unreasonable.
I expect there are other reasons they do not want to use this component
and they are just using this as the excuse.

If the Company is trying to get NRTL approval on their product and their
non-UL NRTL has a problem with this component, then their NRTL needs to
contact UL and get things straitened out.  I have seen competing NRTLs
nit-pick over such things in the past and I think it shows a lack of
professionalism.  If they do not get resolve, I would contact OSHA and
complain. 

The Components Manufacturer will have to decide if they are willing to
lose such business over something so small. I think it would be a very
simple paperwork process to re-list and document their components under
the new standard with UL.  In most cases, UL would not require
additional evaluation or testing. The two standards are very similar. 

The Other Brian

 


From: [email protected] [mailto:[email protected]] On Behalf Of Robert
Johnson
Sent: Tuesday, December 09, 2008 4:20 PM
To: ieee
Subject: When UL component recognition is not enough.

I have a complaint about a certification process where agencies are 
providing approvals of little value. There are products for sale which 
have been reviewed (for example) to UL 1950, and are currently being 
manufactured and UL recognized. UL 1950 is a withdrawn standard, 
replaced by UL 60950. I have no problem with that since UL has conducted

an IEC Sector Review Process which assures the product has no safety 
shortcomings with regard to the current standards. For standard changes 
affecting safety, a requirement effective date - RED is established and 
applied to the product.

However a company wishing to use this product has a problem with the 
component recognition since it is to a withdrawn standard as is stated 
in the Certification Directory. The company using the component must 
either have the component manufacturer resubmit, or have the component 
reassessed as part of the end product evaluation.

The result is, the component recognition is of no value to the new 
customer even though UL has gone through the work of assuring the 
component has no shortcomings with regard to the current standard. 
Apparently UL is reserving the step of updating the paperwork as an 
income source.

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