2013UL 508C CRD-2013 UL Standard for Safety Power Conversion Equipment - Section/Paragraph Reference: New Section - Service Equipment Use Subject: Drives to be used in the service entrance section of installation (Edition 3: May 03, 2002)
2012UL 508C CRD-2012 UL Standard for Safety Power Conversion Equipment - Section/Paragraph Reference: 56.7 Subject: Marking requirements for drives complying with 20.1.11 b) or c) (Edition 3: May 03@ 2002)
2010UL 508C CRD-2010 UL Standard for Safety Power Conversion Equipment - Section/Paragraph Reference: New Section 69 Subject: Modular Drive System Requirements (Edition 3: May 03@ 2002)
2010UL 508C BULLETIN-2010 UL Standard for Safety Power Conversion Equipment (COMMENTS DUE: March 29@ 2010)
2009UL 508C BULLETIN-2009 UL Standard for Safety Power Conversion Equipment (COMMENTS DUE: NOVEMBER 16@ 2009)