UL 1786-2001 夜间照明灯具.pdf

UL 1786 ISBN 1-55989-856-9 Nightlights 标准分享网 免费下载 APRIL 16, 2001 − UL 1786 tr1 Underwriters Laboratories Inc. (UL) 333 Pfingsten Road Northbrook, IL 60062-2096 UL Standard for Safety for Nightlights, UL 1786 Second Edition, Dated July 27, 1995 Revisions: This Standard contains revisions through and including April 16, 2001. UL is in the process of converting its Standards for Safety to the Standard Generalized Markup Language (SGML), and implementing an SGML compliant document management and publishing system. 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. Significant benefits that will result from UL’s use of SGML and these new systems include increased productivity, reduced turnaround times, and data and information consistency, reusability, shareability, and portability. However, the fonts, pagination, and general formatting of UL’s new electronic publishing system differ from that of UL’s previous publishing system. Consequently, when revision pages are issued for a Standard with the new publishing system, these differences may result in the printing of pages on which no requirements have been changed - these additional pages result from relocation of text due to repagination and reformatting of the Standard with the new publishing system. Text that has been changed in any manner is marked with a vertical line in the margin. Changes in requirements are marked with a vertical line in the margin and are followed by an effective date note indicating the date of publication or the date on which the changed requirement becomes effective. The follow