UL 1581-2008 Reference Standard for Electrical Wires Cables and Flexible Cords.pdf

UL UL1581 ⑧ Underwriters Laboratories Inc . Standard for Safety Reference Standard for Electrical Wires ,Cables ,and Flexible Cords UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 标准分享网. .免费下载 july282008-ul1581 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for Electrical Wires ,Cables ,and Flexible Cords ,UL 1581 Fourth Edition .Dated October 31 ,2001 Revisions :This Standard contains revisions through and including July 28 ,2008 Summary of Topics : These revisions to ANSI /UL1581 include the following changes in requirements : Revision to Mandrel Requirements to Permit the Use of Smaller Sized Mandrels Specification of Nichrome Support Wire for Repeated Flame Tests Correction of Inadvertent Omission of Char Length Requirements from Horizontal Specimen /FT2Flame Test Substantive Revisions Including a )Deletion of Tables Containing Redundant Materials Requirements ;b )Revisions to Materials Tables Including i )Revision of Units for Tensile Strength ;ii )Deletion of Fahrenheit Temperature from Wire and Cable Temperature Ratings ;)Deletion...