UL UL 20 ⑧ Underwriters Laboratories Inc . Standard for Safety General-Use Snap Switches COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL This PDF Standard downloaded from . . DECEMBER 12 .2008 UL 20 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for General-Use Snap Switches ,UL 20 Twelfth Edition ,Dated September 22 ,2000 Revisions :This Standard contains revisions through and including December 12 ,2008 . Summary of Topics This revision of ANSI /UL20 includes the following changes in requirements : Clarification of 347 V Endurance Test Contact Sticking AC Switches Grounding Symbol With or Without the Circle Text that has been changed in any manner is marked with a vertical line the margin . The revised requirements are substantially in accordance with UL's Proposal (s)onthis subject dated June 27,2008. The revisions dated December 12 ,2008 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 ti...

UL UL1977 ⑧ Underwriters Laboratories Inc . Standard for Safety Component Connectors for Use in Data ,Signal ,Control and Power Applications SEPTEMBER 1 ,2009-UL 1977 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for Component Connectors for Use in Data ,Signal ,Control and Power Applications ,UL 1977 Second Edition ,Dated December 7 ,2007 SUMMARY OF TOPICS These revisions to UL 1977 include the following changes in requirements : Exception for End Product Flame Test 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 ()this subject dated April 6 2009. All rights reserved .No part of this publication may be reproduced ,stored in a retrieval system ,or transmitted any form by any means ,electronic ,mechanical photocopying ,recording ,or otherwise ...

LOUNCIL UL 事 S NATION CANAR JOINT CANADA-UNITED STATES NATIONAL STANDARD STANDARD FOR SAFETY ANSI/CAN/UL 1974,Evaluation for Repurposing Batteries Standards Council of Canada ANSI Conseil canadien des normes UL COPYRIGHTED MTERIAL 一 NOT AUTHORIZED FOR FURTHER REPRODUCTION OR ANSI/UL1974-2018 DISTRIBUTION WITHOUT PERMISSION FROM UL Copyright UL Provided by IHS Markit under license with UL No reproducton or networking permited wthout loense from IHS Not for Resale.12/122018 00:44:20 MST SCC FOREWORD National Standard of Canada A National Standard of Canada is a standard developed by a Standards Council of Canada (SCC)accredited Standards Development Organization,in pliance with requirements and guidance set out by SCC.More information on National Standards of Canada can be found at .scc.ca. SCC is a Crown corporation within the portfolio of Innovation,Science and Economic Development (ISED)Canada.With the goal of enhancing Canada's economic petitiveness and social well-being,SCC leads and facilitates the development and use of national and international standards.SCC also coordinates Canadian participation in standards development,and identifies strategies to advance Canadia...

UL UL1838 ⑧ Underwriters Laboratories Inc . Standard for Safety Low Voltage Landscape Lighting Systems NOVEMBER 19 .2009 - UL1838 UL Standard for Safety for Low Voltage Landscape Lighting Systems ,UL 1838 Third Edition ,Dated January 13 ,2003 Summary of Topics These revisions to ANSI /UL1838 are being issued to address universal upkeep of UL Standards for Safety .These revisions are considered to be non-substantive and not subject to UL's STP process . Text that has been changed in any manner or impacted by UL's electronic publishing system is marked with 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 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 but not limited to ,the implied warranties of me...

STANDARDS OF CANADA JOINT CANADA-UNITED STATES ANSI /CAN/UL NATIONAL STANDARD 1821:2019 STANDARD FOR SAFETY Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service American National ANS Standards Council of Canada Conseil canadien des normes ansi/ul1821-2019 SCC FOREWORD National Standard of Canada A National Standard of Canada is standard developed by a Standards Council of Canada ( SCC)accredited Standards Development Organization ,in pliance with requirements and guidance set out by SCC .More information on National Standards of Canada can be found at ..ca SCC is a Crown corporation within the portfolio of Innovation ,Science and Economic Development ( ISED)Canada With the goal of enhancing Canada's economic petitiveness and social well-being ,SCC leads and facilitates the development and use of national and international standards .SCC also coordinates Canadian participation in standards development ,and identifies strategies to advance Canadian standardization efforts . Accreditation services are provided by SCC to various customers ,including product certifiers ,testing laboratories and standards development organizations .A list of ...

UL UL1784 ⑧ Underwriters Laboratories Inc . Standard for Safety Air Leakage Tests of Door Assemblies july102009-ul1784 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Air Leakage Tests of Door Assemblies ,1784 Third Edition ,Dated February 20 ,2001 Revisions :This Standard contains revisions through and including July 10 ,2009 Summary of Topics This revision to the Standard for Safety for Air Leakage Tests Door Assemblies ,UL 1784 ,is being issued to reflect the latest reaffirmation of ANSI approval .No changes have been made to the requirements within this Standard . 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 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 o...

UL1778 isbn0-7629-1111-5 Uninterruptible Power Systems FOR INTERNAL UL OR CSDS USE ONLY NOT FOR OUTSIDE DISTRIBUTION FOR INTERNAL UL OR CSDS USE ONLY NOT FOR OUTSIDE DISTRIBUTION SEPTEMBER 15 .2005-UL 1778 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Uninterruptible Power Systems ,UL 1778 Fourth Edition ,Dated September 15 ,2005 Summary of Topics This fourth edition of ANSI /UL1778 has been issued to incorporate several revisions from the technical harmonization mittee ( THC),UL ,and CSA The new requirements are substantially in accordance with UL's Bulletin ()onthis subject dated August 31 ,2004 and June 15 ,2005 .The bulletin ()is now obsolete and may be discarded 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 /Standard 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 vers...

UL UL1777 ⑧ Underwriters Laboratories Inc . Standard for Safety Chimney Liners july3,2009-ul1777 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for Chimney Liners ,UL 1777 Fourth Edition .Dated November 9 ,2007 Revisions :This Standard contains revisions through and including July 3 ,2009 Summary of Topics These revisions of ANSI /UL1777 include changes to the strength requirements :specifying that Loading Test for Metallic Chimney Liners ,Section 23 ,does not apply to corrugated liners ; reducing loading tests of liners for gas-fueled appliances from 200 to 100 pounds ;and specifying that a liner intended for venting gas-fueled only appliances is not subject to the sweep test .1.5 has also been added to show that cement and refractory liners are to be tested to temperatures suitable for solid-fuels 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 requirements...

UL1746 isbn0-7629-1258-8 External Corrosion Protection Systems for Steel Underground Storage Tanks 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 JANUARY 17 ,2007-UL 1746 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for External Corrosion Protection Systems for Steel Underground Storage Tanks UL1746 Third Edition ,Dated January 17 ,2007 SUMMARY OF TOPICS This new edition of UL 1746 is being issued to : 1 )Add polyurethane ,polyurea to the construction materials list for jacketed systems . 2 )Add increased internal fluid exposure times for the Resistance to External and Internal Fluids Test for jacketed type tanks constructed of polyurethane and polyurea materials . 3 )Revisethe construction requirements to clarify the current requirements and eliminate potential inconsistencies between UL 58 and UL 1746 by deleting duplicate requirements . 4 )Includerequirements for heating coils and hot wells 5 )Addan Indentation Test to the Part / -Coated ...

UL1727 Commercial Electric Personal Grooming Appliances 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 标准分享网. .免费下载 FEBRUARY 7 ,2008 - UL1727 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for Commercial Electric Personal Grooming Appliances ,UL 1727 Fourth Edition ,Dated March 25 ,1999 Revisions :This Standard contains revisions through and including February 7 ,2008 . Summary of Topics These revisions include the deletion of obsolete Type AF wire from Internal Wiring Requirements and incorporation of miscellaneous editorial corrections . 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 ,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 add...

UL1703 sN0-7629-0760-6 平面光伏电池板 美国保险商实验所(UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 平面光伏电池板的UL安全标准—UL1703 2002年3月15日,第三版。 修正:这一标准包含2004年6月30号的修订内容。 总的概要: 以下修订的发行依照2003年10月15日1703号的公告并将众多要求进行了 整合。 表格18.1中试验参考的纠正 UL安全标准是基于标准通用标记语言(SMGL)发展和修改的。SMGL是 1986年正式承认的一个国际标准规范(ISO8879),它是一种用标记来描述文档 资料的通用语言,主要用来描述文献的逻辑和物理类结构,而不仅仅是描述文献 表面文字的含义。由于UL使用了新的电子出版系统,使得格式或版式有些差别, 所以请注意增加的页数有可能会因为重新变换了现有标准的内容及标准的格式 而包含在修订页当中。 标准中有变化的内容都在页边空白处用垂直线做了标记。在要求中改变的内 容在页边用垂直线作了记号,并标注了有效日期,这一日期指的是出版或者变化 的要求生效的时间。 最新的以及修订的条件(要求)与2003年10月15日,2004年6月18日 在这一方面的UL公告是完全一致的。 在扉页(第一页)中已经表明,这一UL安全标准是美国国家标准。在第一 页中明确标出了注意事项,注意事项中概述了经核准后可保留这一ANSI/UL标 准的一些手续。 UL标准的前言将不在放在标准当中。对于标准中与一些条件、要求应用的 标准分享网.ozfxw .免费下载 相关信息在最新UL前言中,前言可以在UL标准信息网中查到。网址是: http :// ulstandardsinfonet.ul . /ulforeword.html 在NorthBrook 办公室,掌控这一标准的是正式的文件,因为这涉及到:UL 的服务,关于产品及产品服务需依从正式文件方面,或者有关这一标准精确性方 面的问题。 UL安全标准版权所有。任何复制拷贝,包括磁碟销售以及磁碟标准文件以 任何形式转换都将不允许。所有UL标准的版权、所有权以及相关权利UL独家 拥有。 版权所有。未经UL许可不得以任何方式复制,也不允许存储在检索系统当 中,不允许以任何方法、任何形式如电子影印,影印,录制或其他方式进行传播。 UL安全标准的修订会时不时的出版发行。只有整合了绝大多数已经采用了 的修改内容之后,UL安全标准才会发行使用。 UL提供的现有这一标准,不承担任何形式的担保(或者明确说明的或者暗 示的,包括暗示应用中的商品的规格或适用性,但不仅仅局限于这些) 即使UL或者是经UL授权的代理商考虑到了一些损害的可能性,然而任何 特殊的、偶然的、有原因的、间接的、或是相似的损害UL都不会承担任何责任, 包括利润的...

UL1703 isbn0-7629-0760-6 Flat-Plate Photovoltaic Modules and Panels 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 标准分享网. .免费下载 june30,2004-ul1703 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Flat-Plate Photovoltaic Modules and Panels ,UL 1703 Third Edition ,Dated March 15 ,2002 Revisions :This Standard contains revisions through and including June 30 ,2004 SUMMARY OF TOPICS The following revision is being issued to incorporate requirements in accordance with Subject 1703 bulletin dated October 15 .2003 . Correction of test references in Table 18.1 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 ,rather than its physical appearance on a page .Due to formatting differences resulting from the use of UL's new electronic publishing system ,pleas...

UL1699 Arc-Fault Circuit-Interrupters 标准分享网..免费下载 AUGUST 29 .2008-UL 1699 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for Arc-Fault Circuit-Interrupters ,UL 1699 Second Edition ,Dated April 7 ,2006 Revisions :This Standard contains revisions through and including August 29 ,2008 SUMMARY OF TOPICS This revision of ANSI /UL1699 includes the following : Eliminating AFCI Trip During High Voltage Conditioning Cycle Carbonized Path Arc Interruption Test Using SPT-2 Wire Only With Rated Insulation Correcting Titles of Figure SA12 .1 and Figure SA12 .2 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 item . References February 28 ,2009 Paragraph SB5 .1;and Sections SB6A and SB6B The new requirements are substantially in accordance with UL's Proposal ()onthis subject dated January 4,2008...

UL1699
STANDARDFORSAFETY Arc-FaultCircuit-lnterrupters
ULCOPYRIGHTEDMATERIAL- NOTAUTHORIZEDFORFURTHERREPRODUCTIONOR DISTRIBUTIONWITHOUTPERMISSIONFROMUL
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NOVEMBER 8, 2013 - UL 1699 tr1
UL Standard for Safety for Arc-Fault Circuit-Interrupters, UL 1699 Second Edition, Dated April 7, 2006 SUMMARYOFTOPICS Thisrevision of ANSI/UL 1699includesa Clarification of Requirements forProgrammable Components.
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. n ns s uo (sjsoo m ooe u sns e snba psu au 16, 2013. All rights reserved. No par 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. q nu p o essxeee uejomnms seps s sod n not limited to, the implied warranties of merchantability or fitness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of profits, lost savings,loss of data, or any other damages arising out of the use of or the
this Standard, regardless of the form of the claim.
harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable Standard on the purchaser's puter system. The requirements n this Standard are now in effect, except for those paragraphs sections, tables, figures, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a *SUPERSEDED REQUIREMENTS* notice.
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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...

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...