UL 497A ISBN -7629-0626-X Secondary Protectors for Communications Circuits MARCH 20 .2001 -UL 497A Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for Secondary Protectors for Communications Circuits ,UL 497A Third Edition ,Dated March 20 ,2001 UL is in the process of converting its Standards for Safety to the Standard Generalized Markup Language ( SGML),and implementing an SGML pliant document management and publishing system .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 .Significant benefits that will result from UL's use of SGML and these new systems include increased productivity ,reduced turnaround times , and data and information consistency ,reusability ,shareability ,and portability .However ,the fonts , pagination ,and general formatting of UL's new electronic publishing system differ from that of UL's previous publishing system .Consequently ,when revision pages are issued for Standard with the new publishing system ,these differences may result in the printing of page...
UL448 Centrifugal Stationary Pumps for Fire-Protection Service 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 june8,2007-ul448 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .60062-2096 UL Standard for Safety for Centrifugal Stationary Pumps for Fire-Protection Service ,UL 448 Tenth Edition ,Dated June 8 .2007 SUMMARY OF TOPICS This New Edition of ANSI /UL448 includes the following changes : Change scope section to reference centrifugal pumps for fire protection service Clarification of which devices are required to be supplied with each pump . Revise 7.2 to indicate that provisions for feet or a fabricated support ( base)are to be provided by the pump manufacturer . Clarification of criteria related to the construction of the discharge head for a vertical turbine pump . Clarification of which metals are accepted as being corrosion resistant without further testing . Clarification that the term maximum working pressure denotes the maximum pressure developed at the discharge flange...
UL 4 isbn0-7629-0942-0 Armored Cable By Ric . of Safety Standards D 080003804aM 20 20 03 JL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL was By ric ( AM 09020073a 90 039 COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL This PDF Standard downloaded from . . JANUARY 16 .2004-UL 4 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Armored Cable ,UL 4 Fifteenth Edition ,Dated January 16 ,2004 Summary of Topics The 15th edition is being issued to add provision for color coating the armor and to editorially clarify and technically update the text of the UL 4 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 n...
MARCH 30 .2016 UL2900-2-2 Outline Investigation for Software Cybersecurity for Network - Connectable Products ,Part 2-2 :Particular Requirements for Industrial Control Systems Issue Number :1 March 30 .2016 Summary of Topics The outline aims to provide the minimum set of requirements by which the security-related features industrial control system ponents are evaluated at the product level and tested for known vulnerabilities while also establishing a minimum set of verification activities intended to reduce the likelihood of zero-day vulnerabilities that may affect the ponent . UL's Outlines of Investigation are copyrighted by UL .Neither a printed nor electronic copy of an Outline of Investigation should be altered in any way .All of UL's Outlines of Investigation and all copyrights ,ownerships ,and rights regarding those Outlines of Investigation shall remain the sole and exclusive property UL . COPYRIGHT 2016 UNDERWRITERS LABORATORIES INC . UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL2900-2-2 MARCH 30 .2016 No Text on This Page COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ...
UL224 STANDARD FOR SAFETY Extruded Insulating Tubing may,2021-ul224 UL Standard for Safety for Extruded Insulating Tubing ,UL 224 Seventh Edition ,Dated May 5 ,2021 Summary of Topics This New Seventh Edition of ANSI /UL224 includes updates to referenced publications . The requirements are substantially in accordance with Proposal (s)onthis subject dated September 20 2020 and October 16 .2020 . 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 " as"without warranty of any kind ,either expressed or implied ,including but not limited to ,the implied warranties 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 inability to use this Standard ,even if UL or an authorized UL representative has been advised of the possibility of such damage .In event shall UL's liabilit...
UL217 STANDARD FOR SAFETY Smoke Alarms NOVEMBER 23 .2016-UL 217 UL Standard for Safety for Smoke Alarms ,UL 217 Eighth Edition ,Dated October 30 ,2015 SUMMARY OF TOPICS The following revisions are being issued to ANSI /UL217 ,the Standard for Smoke Alarms : 1 .Updates to Polyurethane Flaming and Smoldering and Cooking Nuisance Tests Text that has been changed in any manner or impacted UL's electronic publishing system is marked with vertical line in the margin . The requirements are substantially in accordance with Proposal ()onthis subject dated October 7 ,2016 . 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 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 o...
/s6ulysinbunx3 uoqjeoojeH 0-0Lt0-629L-0 99l MARCH 222001-ul2166 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook .IL 60062-2096 UL Standard for Safety for Halocarbon Clean Agent Extinguishing System Units ,UL 2166 First Edition .Dated March 31 ,1999 Revisions :This Standard contains revisions through and including March 22 ,2001 A change in an effective date is indicated by a note following the affected item ,and giving both the previous effective date and the new date the requirement bees effective . The following table lists the future effective dates with the corresponding reference . Future Effective Dates References June30,2001 Entire Standard The master for this Standard at UL's Northbrook Office is the official document insofar as it relates to a UL service and the pliance of product with respect to the requirements for that product and service or if there are questions regarding the accuracy this Standard . UL's Standards for Safety are copyrighted UL .Neither printed copy of a Standard ,nor the distribution diskette for a Standard-on-Diskette and the file for the Standard the distribution diskette should be altered in any way .All of...
UL UL2108 ⑧ Underwriters Laboratories Inc . Standard for Safety Low Voltage Lighting Systems NOVEMBER 20 ,2009-UL 2108 UL Standard for Safety for Low Voltage Lighting Systems ,UL 2108 First Edition ,Dated February 27 ,2004 Summary of Topics These revisions to ANSI /UL2108 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 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 In the revisions dated July 16 ,2009 ,pages 19 ,20 ,45 ,and 46 have been intentionally deleted from the Standard due to the deletion or relocation of text . 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 21 sb1-55989-849-6 LP-Gas Hose This PDF Standard downloaded from . . OCTOBER 9 ,2006-UL 21 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,60062-2096 UL Standard for Safety for LP-Gas Hose ,UL 21 Ninth Edition ,Dated June 1 .1995 Revisions :This Standard contains revisions through and including October 9 ,2006 Summary of Topics Revision pages have been issued for the Standard for LP-Gas Hose ,UL 21 ,to revise the title page to reflect that the Standard is no longer ANSI approved . 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 additional pages ( onwhich no requirements have been changed )may be included revision pages due to relocation of existing text and reformatting of the Standard Text that has been changed in any manner marked with vertical line in the margin . The revisions dated Oct...
UL2075 Gas and Vapor Detectors and Sensors 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 july11,2007-ul2075 Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Gas and Vapor Detectors and Sensors ,UL 2075 First Edition .Dated November 5 ,2004 Revisions :This Standard contains revisions through and including July 11 ,2007 . Summary of Topics These revisions have been issued to update the Scope of the Standard and to make minor editorial changes .No changes in requirements are involved . UL Standards for Safety are developed and maintained in the Standard Generalized Markup Language ( SGML).SGML- -an international standard ( ISO8879-1986 )--is 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 ...
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 ...