Ken,

The closest you can get is UL's category for Transformers (Construction
Only) and covered under their category XORU2. These are teransformers that
have been cosntructed to various standards and meet the constructional
requirements only. Testing is done as part of the end-product. 

It is a benefit to have coverage under this category since it would
alleviate from submitting transformers and parts list for dissection and
construction evaluation. Dissecting a transfrormer is the last thing a
product safety engineer wishes to touch! Agree?




PETER S. MERGUERIAN
Technical Director
I.T.L. (Product Testing) Ltd.
26 Hacharoshet St., POB 211
Or Yehuda 60251, Israel
Tel: 972-3-5339022  Fax: 972-3-5339019
Mobile: 972-54-838175






-----Original Message-----
From: Matsuda, Ken [mailto:[email protected]]
Sent: Saturday, April 21, 2001 1:38 AM
To: [email protected]
Subject: Transformer Question



Group,

I was wondering if you could help me with this one?  Currently, I have a
switching power supply, using custom transformers. Now I am looking at
submitting this product to a agency...

 Many transformer manufacturers claim they build to UL ...standards,
obviously, this is not considered approved, but are there

transformer houses that can manufacture transformers that are considered
recognized components under a program similar to a sign shop program, where
customers can request custom wound transformers that are covered under the
UL recognition ?


Thanks for any input,


Ken

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