Transcription of UL 746 UL 1446 Substitution of Materials vf6110
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UL 746 UL 1446 Substitution of Materials vf6110
The Process for Adding Equivalent Insulation Materials to UL. Recognized Electrical Equipment According To UL 746 Polymeric Materials : Use In Electrical Equipment Evaluations &. UL 1446 Systems of Insulating Materials The purpose of this document is to present the process used by The Gund Company to assist our customers in adding equivalent insulation Materials to their UL recognized electrical and electronic equipment. Many manufacturers originally tested their manufactured product to UL, ANSI, or IEEE. standards . Those standards often refer to UL. Standard 746C Polymeric Materials : Use In Electrical Equipment Evaluations and/or UL 1446. Systems of Insulating Materials . Unfortunately, many older equipment designs This disc wound dry type transformer shows and conventions specify insulation material (s) winding combs fabricated from Grade N220. that no longer represent the most advanced used to support the coil windings.
generated by the flow of electricity. UL Standards for electrical and electronic products include: UL 67, Standard for Panelboards UL 98, Enclosed and Dead-Front Switches UL 508, Industrial Control Equipment UL 508A, Industrial Control Panels UL 508C, Power Conversion Equipment UL 845, Motor Control Centers
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