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Please check here:
1 \$ C, t _5 i( `& K& e& C3 x, e9 ~! }http://www.ul.com/global/eng/pag ... omponents/unlisted/$ M/ r# R- W. l R9 f
$ ?* Q% ^2 `( n) j( L5 uUnlisted (customized) component program
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5 ]* _8 B5 N7 J$ A- R; T( QUL's Unlisted Component service is provided to end-product manufacturers, rather than component suppliers, for those situations where they have a customized component employed in a specific end-products that is not UL Certified.
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2 s) ~6 z1 ?- A+ t( `6 I$ }& x+ |8 nUnder this program, the component is evaluated in accordance with the applicable component requirements, taking into consideration the specific end-product application. The component is only evaluated for factory installation, not field installation. Once the component is found to be in compliance with the applicable component requirements, the component is placed under UL's follow-up surveillance program. Since the component is intended for a specific application, no information is published on UL's Online Certifications Directory or UL's directories.
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Similar to UL's Component Recognition and Listing Service, the Unlisted Component Program creates value by increasing the confidence that the component complied with appropriate UL requirements when it was manufactured since it is under UL's Follow-up Program.' d5 I* U7 F+ k& L
; S4 S9 ~$ S: Z ~# {4 u$ p在最终产品上使用的部件,在没有UL认证的情况下(这个可能是该产品有其他认证,或者CB证书)但UL又强制要求该类产品用于终端设备必须要有UL认证,就出现了针对于该部件的Un-listing认证。
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事实上就是UL挣钱的门路
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