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Underwriters Laboratory implemented UL508A supplement SB to require compliance by UL authorized panel builders
8 pages. This document outlines: the overview of code changes in NEC Article 409; the overview of UL508A Supplement SB; how short circuit current rating(SCCR) is determined; and process flow charts.
|Date: 04/02/2007||Size: 205.89 KB||Publication Number: UL508A|