SUPPLEMENT SA SPECIFIC COMPONENT REQUIREMENTS FOR INDUSTRIAL CONTROL PANELS
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This document is intended to be used to determine the requirements for components when used in industrial control panels. This document replaces what was supplement SA in the second edition of UL 508A, and subsequently Appendix C in the third edition of UL 508A. It supersedes the previous version of this document.
References in this document to sections or paragraphs in UL 508A are understood to be to the third edition of the standard with revisions dated July 3, 2018.
This document will be updated on an as-needed basis as changes occur in the use of components in panels. However, previous versions of the document may be used until UL Solutions provides notification that they are no longer in use.
