UL1310 二类电源安全规定UL 1310 ISBN 1-55989-589-6 Class 2 Power Units OCTOBER 22, 2001 UL 1310 tr1 Underwriters Laboratories Inc. (UL) 333 Pngsten Road Northbrook, IL 60062-2096 UL Standard for Safety for Class 2 Power Units, UL 1310 Fourth Edition, Dated July 28, 1994 Revisions: This Standard contains revisions through and including October 22, 2001. UL Standards for Safety are developed and maintained in the Standard Generalized Markup Language (SGML). SGML -- an international standard (ISO 8879-1986) -- is a descriptive markup language that describes a document’s structure and purpose, rather than its physical appearance on a page. Due to formatting differences resulting from the use of UL’s new electronic publishing system, please note that additional pages (on which no requirements have been changed)……