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22.08.2019

Certification of Electrical Insulation Systems according to UL Standard 1446 Ed.7

 

UL 1446 is an administrative test standard, which is primarily concerned with the chemical compatibility of the materials used at a given continuous operating temperature.

Edition 7 of UL 1446, valid since November 2016, brings some innovations and more clarity to the certification process for electrical insulation systems (EIS).

The guide provides an overview and also explains the Full Thermal Aging Test (FTA) and Sealed Tube Chemical Compatibility Test (CCT).

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This publication is also available in German

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