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Reference Standard for Electrical Wires, Cables, and Flexible Cords

First Edition – August, 1983
Second Edition – December, 1991
Third Edition – October, 1997
Fourth Edition
October 31, 2001
The most recent designation of ANSI/UL 1581 as an American National Standard
(ANSI) occurred on July 28, 2008. The ANSI approval for this standard does not
include the Cover Page, Transmittal Pages, Title Page, or effective date
information.
This ANSI/UL Standard for Safety consists of the Fourth Edition including
revisions through July 28, 2008.
Comments or proposals for revisions on any part of the Standard may be
submitted to UL at any time. Proposals should be submitted via a Proposal
Request in UL’s On-Line Collaborative Standards Development System (CSDS)
at http://csds.ul.com.
UL’s Standards for Safety are copyrighted by UL. Neither a printed nor electronic
copy of a Standard should be altered in any way. All of UL’s Standards and all
copyrights, ownerships, and rights regarding those Standards shall remain the
sole and exclusive property of UL.