UL 1690-2006 数据处理电缆安全标准.pdf

UL1690 sBN0-7629-1188-3 Data-Processing Cable UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 标准分享网. .免费下载 AUGUST 11,2006-ul1690 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Data-Processing Cable ,UL 1690 Third Edition ,Dated August 11 ,2006 Summary of Topics The Third Edition of the Standard for Data-Processing Cable ,UL 1690 has been issued to reflect the latest ANSI approval date and to incorporate the proposals dated June 16 ,2006 .These proposals included the following : The deletion of references to the Standard Test for Flame Propagation and Smoke Density Values for Electrical and Optical Fiber Cables Used in Spaces Transporting Environmental Air ,910 . The addition of Paragraph 3.2 ,addressing undated references ,and deletion of year designations to referenced standards . The deletion of Table 7.1 and Table 11.2 to coordinate with references to UL 1581 , which covers additional wire sizes . The addition of maximum lay lengt...