UL 6 isbn0-7629-0976-5 Electrical Rigid Metal Conduit Steel No reproduction or networking permitted from IHS from . . jun30,2004-UL6 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Electrical Rigid Metal Conduit-Steel ,UL 6 Thirteenth Edition ,Dated June 30 ,2004 Summary of Topics This is the Thirteenth Edition of UL 6 ,the mon CSA and UL ( binational)standard for Electrical Rigid Metal Conduit-Steel Standards for Safety are developed and maintained in the Standard Generalized Markup Language ( SGML).SGML an international standard ( ISO8879-1986 )--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 UL's new electronic publishing system ,please note that additional pages ( onwhich no requirements have been changed )may be included in revision pages due to relocation of existing text and reformatting of the Standard The following table lists the future effective dates with the corresponding item Future Effective Date References June30,2006 Entire Standard The n...