1684A sbn0-7629-1000-3 Supplemental Requirements for Extra Heavy Wall Reinforced Thermosetting Resin Conduit ( RTRC)and Fittings was rice ( 7 2n 20988220077818Pm 20 COPYRIGHTED MATERIA NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL was 203988220077p 0 COPYRIGHTED MATERIA NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 23 .2007 - UL1684A Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Supplemental Requirements for Extra Heavy Wall Reinforced Thermosetting Resin Conduit ( RTRC)and Fittings ,UL 1684A First Edition ,Dated September 3 ,2004 Revisions :This Standard contains revisions through and including January 23 ,2007 . Summary of Topics Table 3 .1 has been revised to include new values for the nominal outside diameters of Type XW RTRC .The conduit product marking in 5.2 has also been revised . UL 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 ...

指示 1范围 11燃烧等级测试是测试使用于安装在杆里或垂直穿过一层 楼高度电线和光纤的火焰高度值. 12该测试的目的是检测上升线的火焰燃烧特性是否符合 National Electrical Code 的要求 1.3该测试不是检测燃烧或分解的毒性和腐蚀性. 1.4该测试不包括电线结构要求上对电线的电性能旋光性能 以及其它性能的要求 1.5一个产品具有的特征、特性、成分、材料或系统新的不 同于这些项目的性能都包含在这个标准中而且给出了它着 火、电击和其它对人的伤害的危险所应预先加入的附加成分 和成品的要求以确保保持这个标准的原始目的任何产品的 特征、特性、成分、材料或系统不符合特定要求的都将不适 用于这个标准与该标准的改版、修订和实行相一致的修改都 将允许采用 2测量单位 21没有括号的值是要求的括号里的值是注释或近似值. 程序 3燃烧等级测试房 3.1测试箱所在的测试房的压强必须用压强监测仪确保压强 为0-12Pa,温度必须保持在23±3℃,相对湿度必须保持在50±5 % 4燃烧等级测试设备 4.1测试箱 41.1测试箱如图4.1所示它以及所有的装置和测试样品都 要防止一些对测试结果有影响例如风等天气条件该设备的 的墙面结构是密度为106b/f(1698kd/m3)的混泥土其热传导 率(k)在21.1℃为0.38Btu(0.055W/mk)其中第一、二层由 203mm厚的增强普通重量的水泥构成顶部由能够保证严密 封性的墙面结构构成位于第二层的测量孔必须在第一层测 量孔(305mmby610mm)的垂直上方如图4.1所示每个孔离箱 子后面203mm,离箱子侧面102mm所有的孔都要都相对于测 试箱的安装和位置对两面墙进行水平校正窗的位置要便于 观察 4.1.2测试箱应在有第一、二层装有钢制的门第一层的门的 安装位置如图4.1所示第二层的门的安装位置可如图所示或 标准分享网..免费下载 在孔对面的墙上第二层墙面在孔对面应有一个入口以便样 品线的和第二层孔热电偶的安装门框的边缘要用无机的垫 圈以确保为防止外部气流进入而关上门时能很好的封合. 4.2点火装置 42.1如图所示该装置包括一根1/2inch钢管和一个1/2inch 管肘,还有一个钢制的点火分散盘,盘的位置如图4.1所示电 火花枪口临近燃烧气体排气管的出口. 42.2在气体注入的地方安装一个丙烷流量计,它是用来测量 在测试的过程中气体的流通率这个流量计能够测量的气体 流通率为1743cm3/s,测量的过程中可以在±3%的范围内浮 动 4.3风扇 电动鼓风扇能够提供一定的通过测试箱出口(详见)的风 速,如图4.1所示它安装于测试箱的外部垂直于测试箱中心线 的地方 4.4丙烷 44.1提供给点火器的气体必须是CP级的丙烷,并规定每立 方英尺的热量为2500Btu. 4.5排气扇和输送管 ...

UL UL1642 ⑧ Underwriters Laboratories Inc . Standard for Safety Lithium Batteries NOVEMBER 25 ,2009 - UL1642 UL Standard for Safety for Lithium Batteries ,UL 1642 Fourth Edition ,Dated September 19 ,2005 Summary of Topics The revisions dated November 25 ,2009 have been issued to incorporate the following : Revision to 2.3.2 to explain evaluation of ponents used inside a cell or battery . Revision to the definition of " FullyDischarged' and addition of the definition for Completely Discharged' to the Glossary . Removal of redundant tests in 5 .1 .1 :addition tests in 5 .1.2 and 5 .1.3 :and clarification of User Replaceable "in 5.2.1. Simplify Performance Testing of a cell by revising 6 .1 .6.2 and Tables 6.3 and 6.4 ; deleting Tables 6.1 and 6.2. Revised 8.2 to ensure monitoring of temperatures during the Abnormal Charging Test . Clarification of the Short Circuit Test in 10 .1 .10.4. and 10.5. Clarification of the Abnormal Charging Test in 11.3 ;revised protector criteria in 11.4 ,and 11.9. Revisions to 12.2 and 12.3 to align with changes to Glossary definitions ;Clarification of Ultimate Results Criteria in 12.4 ;revisions to revised protector criteria in 12.5. Re...

ay22,2007 SUBJECT 1626A OUTLINE OF INVESTIGATION FOR FIRE TESTING RESIDENTIAL SPRINKLERS FOR USE WITH SMOOTH FLAT ,SLOPED CEILINGS HAVING PITCHES NOT EXCEEDING 8 /12 Issue Number :1 may22,2007 Summary of Topics This is the First Issue of the Subject 1626A Outline of Investigation for Fire Testing of Residential Sprinklers for Use With Smooth ,Flat ,Sloped Ceilings Having Pitches not Exceeding 8 /12. The UL Foreword is no longer located within the UL Standard .For information concerning the use and application of the requirements contained in this Standard .the current version of the UL Foreword is located on ULStandardsInfoNet at :http :// ulstandardsinfonet.ul . /ulforeword.html COPYRIGHT 2007 UNDERWRITERS LABORATORIES INC . was Ri . /? 2039886007818P 2 0 COPYRIGHTED MATERIA NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SUBJECT 1626A Ay22,2007 No Text on This Page was n 20398862007788p 20 L COPYRIGHTED MATERIA NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 标准分享网..免费下载 mA22,2007 SUBJECT 1626A CONTENTS INTRODUCTION Scope 2 Components 3 Units of Measurement 4 Undated References...

UL1604 sBN1-55989-610-8 Electrical Equipment for Use in Class and .Division 2 ,and Class Hazardous ( Classified)Locations or networking wihout from 标准分享网. .免费下载 FEBRUARY 3 ,2004 -UL 1604 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Electrical Equipment for Use in Class and ,Division 2 ,and Class Hazardous ( Classified)Locations ,UL 1604 Third Edition ,Dated April 28 ,1994 Revisions :This Standard contains revisions through and including February 3 ,2004 Summary of Topics This revision to UL 1604 issued to clarify Temperature Test procedures . UL Standards for Safety are developed and maintained in the Standard Generalized Markup Language ( SGML).SGML - -aninternational standard ( ISO8879-1986 )- is a descriptive markup language that describes 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 ( onwhich no requirements have been changed )may be included in revision pages due to relocation of existing text and reformatting of the Standa...

UL UL 1598B ⑧ Underwriters Laboratories Inc . Standard for Safety Supplemental Requirements for Luminaire Reflector Kits for Installation on Previously Installed Fluorescent Luminaires july31,2009-ul1598b Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Supplemental Requirements for Luminaire Reflector Kits for Installation on Previously Installed Fluorescent Luminaires ,UL 1598B First Edition .Dated December 4 .2000 Revisions :This Standard contains revisions through and including July 31 ,2009 . Summary of Topics This revision to the Standard for Safety for Supplemental Requirements for Luminaire Reflector Kits for Installation on Previously Installed Fluorescent Luminaires ,UL 1598B ,is being issued to reflect the latest reaffirmation of ANSI approval .No changes have been made to the requirements within this Standard . Text that has been changed in any manner or impacted by UL's electronic publishing system 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 ...

UL UL 1598A ⑧ Underwriters Laboratories Inc . Standard for Safety Supplemental Requirements for Luminaires for Installation on Marine Vessels OCTOBER 26 .2009-UL 1598A UL Standard for Safety for Supplemental Requirements for Luminaires for Installation on Marine Vessels , UL 1598A First Edition ,Dated December 4 ,2000 Summary of Topics This revision to the Standard for Safety for Supplemental Requirements for Luminaires for Installation on Marine Vessels ,UL 1598A ,is being issued to reflect the latest reaffirmation of ANSI approval .No changes have been made to the requirements within this standard . Text that has been changed in any manner or impacted by UL's electronic publishing system 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 which the changed requirement bees effective All rights reserved .No part of this publication may be reproduced ,stored in retrieval system ,or transmitted in any form by any means ,electronic ,mechanical photocopying ,recording ,or otherwise without prior permission of UL ....

UL1598 灯具标准 Luminaires Canadian Standards Association Underwriters Laboratories Inc . csac22.2no.250.0-00 UL1598 519连续的way 涵道Racev 力释 。导管的固定和扭 514导线保护 513凹槽管道系统 52装配和包装 59亼和紧 与绝缘 510机械接合和紧 511安装装配方法 .10法 5玻璃支承 6.2接线装 12可活动的 .8栅格Ba 2测 范围 由缆 外壳金属 6玻璃 .5插座 .4大 56防腐蚀保护 12可活动的接合 .6玻璃 62 13带电部件的易触及 6. 518热绝缘 53外壳… 62接线装置 5.1概述 6.1概述 5机械结 6电气结构 5.20通道Raceway 6.10标识和极性 6.11电气间距 6电气结 5.17玻璃 6.3灯座 4 61概述 66熔丝和熔丝座 55应力Strain rel 54金属厚度 7聚合材料 64开关 6.7镇流器和变压 518热的成排安装 6.10标识和 .格Baffles 68电容器 由结构 69导线和电缆 4 ...

UL1598 STANDARD FOR SAFETY Luminaires UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL AUGUST 28,2018-1598 UL Standard for Safety for Luminaires ,UL 1598 Fourth Edition ,Dated August 28 ,2018 Summary of Topics This new edition of ANSI /UL1598 includes the following changes in requirements : Added requirements for mechanical joints and fastenings ;luminaires for use in clothes closets ;recessed luminaires for installation in air-handling spaces ;LED Type Non-IC inherently protected recessed luminaires ;supplementary requirements for LED luminaires ;reference UL 8750 for requirements ;LED ponents and subassemblies ; spacings options using requirements from UL 840 ;and a new Section ( CAN)for polymeric light diffusers and lenses pliance with the National Building Code of Canada Revised requirements for enclosures ;bination HID /incandescentlamp replacement marking for remote ballasted HID luminaires ;Rain and Sprinkler Test Methods ;self - threading screw torque ;polymeric material requirements f...

UL1585 sbn0-7629-0233-7 Class 2 and Class 3 Transformers was ? 2039825200762pm 120 L COPYRIGHTED MATERIA NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL was 20398252007682p 0 COPYRIGHTED MATERIA NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 标准分享网. .免费下载 may10,2006-ul1585 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Class and Class 3 Transformers ,UL 1585 Fourth Edition ,Dated April 23 ,1998 Revisions :This Standard contains revisions through and including May 10 ,2006 Summary of Topics These editorial revisions to ANSI /UL1585 replace all references to UL 1020 ,the Standard for Thermal Cutoffs for Use in Electrical Appliances and Components ,with reference to UL 60691 , the Standard for Thermal-Links Requirements and Application Guide .UL 1020 was withdrawn and superseded by UL 60691 . UL Standards for Safety are developed and maintained in the Standard Generalized Markup Language ( SGML).SGML- -an international standard ( 8879-1986 )--is a descriptive markup language that describes a document's structure and purpose ...

UL UL1581 ⑧ Underwriters Laboratories Inc . Standard for Safety Reference Standard for Electrical Wires ,Cables ,and Flexible Cords OCTOBER 5 ,2009 - UL1581 UL Standard for Safety for Electrical Wires ,Cables ,and Flexible Cords ,UL 1581 Fourth Edition .Dated October 31 ,2001 Summary of Topics : This revision to ANSI /UL1581 includes the following change in requirements : Reinstated Burner Calibration Requirements for the Horizontal-Specimen Appliance-Wire Flame Test Text that has been changed any manner or impacted by UL's electronic publishing system 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 bees effective . The new and /orrevised requirements are substantially in accordance with Proposal (s)on this subject dated June 26 ,2009 . All rights reserved .No part of this publication may be reproduced ,stored in a retrieval system ,or transmitted in any form by any means ,electronic ,mechanical photocopying ,recording ,or otherwise without prior permission of UL UL provides ...

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...

Download From http :/ /bbs.infoeach. UL1581 STANDARD FOR SAFETY Reference Standard for Electrical Wires ,Cables and Flexible Cords UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR D /STRIBUTIONWITHOUT PERMISSION FROM UL Download From http :/ /bbs.infoeach. Download From http :/ /bbs.infoeach. 688888 UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Download From http :/ /bbs.infoeach. Download From http :/ /bbs.infoeach. DECEMBER 8 .2017 -UL 1581 UL Standard for Safety for Reference Standard for Electrical Wires ,Cables ,and Flexible Cords ,UL 1581 Fourth Edition ,Dated October 31 ,2001 Summary of Topics : This revision to ANSI /UL1581 includes the following change in requirements :Addition of 300 Rated PFA ,Revised Table 47.1 and New Table 50.138 The new and revised requirements are substantially in accordance with Proposal (s)onthis subject dated August 25 ,2017 Text that has been changed in any manner or impacted by UL's electronic publishing system is marked with a vertical line in the margin . All rights reserved .No part of this publication may be reproduced ,stored in a...

UL UL1558 ⑧ Underwriters Laboratories Inc . Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear july9,2009-UL1558 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear ,UL 1558 Fourth Edition ,Dated February 25 ,1999 Revisions :This Standard contains revisions through and including July 9 ,2009 SUMMARY OF TOPICS This revision to UL 1558 includes the following changes in requirements : Location of Operating Handles Update References Correct Text in Table 7.1 Clarify Requirement for Wire Bending Space with Angled Lugs Miscellaneous Editorial Revisions 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 bees effective The following table lists the future effective dates with the corresponding reference . Future Effective Dates January 9 ,2013 Paragraphs 2.1,4.1,5.1,6.1.1,7.1,8.1.1,10.1,11.1, 12.1.1...

UL UL153 ⑧ Underwriters Laboratories Inc . Standard for Safety Portable Electric Luminaires UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMSSION FROM UL 标准分享网. .免费下载 FEBRUARY 10 .2009-UL 153 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Portable Electric Luminaires ,UL 153 Twelfth Edition ,Dated March 25 ,2002 Revisions :This Standard contains revisions through and including February 10 ,2009 Summary of Topics These revisions ANSI /UL153 were issued to incorporate the following new and revised requirements : 1 .Addition of installation instructions for appliance mounted units . 2 .Revision of Tungsten-Halogen Lamp Guard ,Lamp Containment Barrier and UV Filter Security Test . 3 .Revision of Grounding Continuity Test . 4 .Revision of water shield requirements to include silicone rubber boots . 5 .Relocation of the lamp base from Table 52.0 to Table 52.0.1. 6 .Addition of date code marking for portable hand lights . 7 .Addition of GU24 holder and self-ballasted lamp requirements . 8 .Revision of convertible unit requirements to include interconnected un...

Subject 1517 January 19 ,2007 SUMMARY OF TOPICS The following changes in requirements are being proposed : 1 .An editorial new Third Edition of the Standard for Hybrid Personal Flotation Devices , u1517. STP BALLOTS DUE :March 20 .2007 COMMENTS DUE :March 20 .2007 1 .An editorial new Third Edition of the Standard for Hybrid Personal Flotation Devices ,UL 1517 . RATIONALE UL is proposing new edition of UL 1517 .The proposed new edition is a periodic re-issuance and includes the following type editorial revisions : The units of measurement ,undated reference ,and ponent paragraphs which are mon standard requirements have been added to the introduction Wording changes have been made in order to adhere to standards writing style ;and Sections ,paragraphs ,and corresponding references may have been renumbered If the new edition is accepted by the Standards Technical Panel for Personal Flotation Devices ,STP 1123 ,and is adopted ,the standard will gain first time approval as an American National Standard PROPOSAL UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SUBJECT 1517 JANUARY 19 ,2007 INTRODUCTION 1...

UL UL1449 ⑧ Underwriters Laboratories Inc . Standard for Safety Surge Protective Devices SEPTEMBER 4 .2009 UL 1449 UL Standard for Safety for Surge Protective Devices ,UL 1449 Third Edition ,Dated September 29 ,2006 Summary of Topics Revision pages have been issued for the Standard for Surge Protective Devices ,UL 1449 ,to reflect the latest ANSI approval date and to incorporate the proposal dated July 3 ,2009 .The proposal includes the following : VPR Assignment Text that has been changed in any manner or impacted by UL's electronic publishing system is marked with a vertical line in the margin .Changes in requirements are marked with a vertical line the margin and are followed by an effective date note indicating the date of publication the date on which the changed requirement bees effective . The revised requirements are substantially in accordance with Proposal (s)onthis subject dated July 3 , 2009. All rights reserved .No part of this publication may be reproduced ,stored in a retrieval system ,or transmitted in any form by any means ,electronic ,mechanical photocopying ,recording ,or otherwise without prior permission of UL . UL provides this Standard " asis...

UL UL1431 ⑧ Underwriters Laboratories Inc . Standard for Safety Personal Hygiene and Health Care Appliances NOVEMBER 20 .2009 - UL1431 UL Standard for Safety for Personal Hygiene and Health Care Appliances ,1431 Second Edition ,Dated November 22 ,1996 SUMMARY OF TOPICS This revision to UL 1431 includes the following changes in requirements : Modification of scope to exclude facial saunas Text that has been changed in any manner or impacted by UL's electronic publishing system 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 bees effective The revised requirements are substantially in accordance with Proposal (s)onthis subject dated October 9,2009. All rights reserved .No part of this publication may be reproduced ,stored in a retrieval system ,or transmitted in any form by any means ,electronic ,mechanical photocopying ,recording ,or otherwise without prior permission of UL . UL provides this Standard " asis "withoutwarranty of any kind ,either expressed or implied ,including b...

UL UL1314 ⑧ Underwriters Laboratories Inc . Standard for Safety Special-Purpose Metal Containers july10,2009-u1314 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Special-Purpose Metal Containers ,UL 1314 Fourth Edition ,Dated February 3 ,2005 Revisions :This Standard contains revisions through and including July 10 ,2009 . Summary of Topics This revision to the Standard for Safety for Special-Purpose Metal Containers ,1314 ,is being issued to reflect the latest reaffirmation of ANSI approval .No changes have been made to the requirements within this Standard . Text that has been changed in any manner is marked with a vertical line in the margin . The revisions dated July 10 ,include a reprinted title page ( page1)for this Standard . As indicated on the title page ( page1 ),this UL Standard for Safety is an American National Standard . Attention is directed to the note on the title page of this Standard outlining the procedures to be followed to retain the approved text of this ANSI /ULStandard The UL Foreword is no longer located within the UL Standard .For information concerning the use and application of t...

UL UL1310 ⑧ Underwriters Laboratories Inc . Standard for Safety Class 2 Power Units july202009-ul1310 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for Class 2 Power Units ,UL 1310 Fifth Edition ,Dated May 3 ,2005 Revisions :This Standard contains revisions through and including July 20 ,2009 Summary of Topics This revision to ANSI /UL1310 is being issued as an editorial correction to Table 33 .1 due to a publication error on revision pages dated July 3 ,2009 . 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 bees effective The revisions dated July 20 ,2009 include a reprinted title page ( page1)for this Standard As indicated on the title page ( page1 ),this UL Standard for Safety is an American National Standard Attention is directed to the note on the title page of this Standard outlining the procedures to be followed to retain the approved text of this ANSI /ULStandard The UL...