UL 998-2011 UL Standard for Safety Humidifiers (Fifth Edition Reprint with Revisions Through and Including April 4 2016)《加湿器》.pdf
《UL 998-2011 UL Standard for Safety Humidifiers (Fifth Edition Reprint with Revisions Through and Including April 4 2016)《加湿器》.pdf》由会员分享,可在线阅读,更多相关《UL 998-2011 UL Standard for Safety Humidifiers (Fifth Edition Reprint with Revisions Through and Including April 4 2016)《加湿器》.pdf(108页珍藏版)》请在麦多课文档分享上搜索。
1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 998HumidifiersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIB
2、UTION WITHOUT PERMISSION FROM ULUL Standard for Safety for Humidifiers, UL 998Fifth Edition, Dated April 25, 2011Summary of TopicsRevisions for UL 998 are being issued to incorporate an effective date for the Fifth Edition. Nochanges in requirements are involved.As noted in the Commitment for Amendm
3、ents statement located on the back side of the titlepage, UL and CSA are committed to updating this harmonized standard jointly. However, therevision pages dated May 19, 2011 will not be jointly issued by UL and CSA as these revisionpages only address UL effective dates.The new/revised requirements
4、issued April 25, 2011, are substantially in accordance with Proposal(s) onthis subject dated November 19, 2010All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or o
5、therwisewithout prior permission of UL.UL provides this Standard as is without warranty of any kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.In no event will UL be liable for any special, incidental, consequential
6、, indirect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this Standard, even if UL or an authorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability f
7、or any damage ever exceed the price paid forthis Standard, regardless of the form of the claim.Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold ULharmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonablea
8、ttorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronicStandard on the purchasers computer system.The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, figures,and/or other elements of the Standard having
9、future effective dates as indicated in the preface. The priortext for requirements that have been revised and that have a future effective date are located after theStandard, and are preceded by a SUPERSEDED REQUIREMENTS notice.MAY 19, 2011 UL 998 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHE
10、R REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMAY 19, 2011 UL 998tr2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCanadian Standards AssociationCSA C22.2 No. 104-11Fourth EditionUnderwriters Laboratories Inc.UL
11、998Fifth EditionHumidifiersApril 25, 2011ANSI/UL 998-2011UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCommitment for AmendmentsThis standard is issued jointly by the Canadian Standards Association (CSA) and UnderwritersLaboratories Inc. (UL
12、). Comments or proposals for revisions on any part of the standard may besubmitted to CSA or UL at anytime. Revisions to this standard will be made only after processingaccording to the standards development procedures of CSA and UL. CSA and UL will issue revisionsto this standard by means of a new
13、edition or revised or additional pages bearing their date of issue.ISBN 978-1-55491-623-8 2011 Canadian Standards AssociationAll rights reserved. No part of this publication may be reproduced in any form whatsoever without theprior permission of the publisher.CSA Standards are subject to periodic re
14、view, and suggestions for their improvement will be referredto the appropriate committee. To submit a proposal for change to CSA Standards, please send thefollowing information to inquirescsa.ca and include Proposal for change in the subject line:Standard designation (number); relevant clause, table
15、, and/or figure number; wording of the proposedchange; and rationale for the change.To purchase CSA Standards and related publications, visit CSAs Online Store at www.ShopCSA.ca orcall toll-free 1-800-463-6727 or 416-747-4044.Copyright 2011 Underwriters Laboratories Inc.ULs Standards for Safety are
16、copyrighted by UL. Neither a printed nor electronic copy of a Standardshould be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regardingthose Standards shall remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the Fifth Editi
17、on. The most recent designation of ANSI/UL998 as an American National Standard (ANSI) occurred on April 25, 2011. ANSI approval for astandard does not include the Cover Page, Transmittal Pages, Title Page (front and back), or thePreface. The National Difference Page and IEC Foreword are also exclude
18、d from the ANSI approval ofIEC-based standards.Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative StandardsDevelopment System (CSDS) at http:/.To purchase UL Standards, v
19、isit Comm 2000 at http:/m- call toll-free 1-888-853-3503.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSPreface .6INTRODUCTION1 Scope .82 Definitions 83 General 93.1 Components .93.2 Reference publications .103.3 Units of measurement
20、123.4 Terminology 12CONSTRUCTION4 General .125 Enclosures 125.1 General 125.2 Nonmetallic materials 135.3 Enclosure integrity .146 Doors and Covers .157 Accessibility of Uninsulated Hazardous Voltage Live Parts and Film-Coated Wire 168 Protection Against Risk of Injury to Persons Mechanical Protecti
21、on 179 Protection Against Risk of Injury to Persons Materials 1810 Protection Against Risk of Injury to Persons Switches, Controls, and Interlocks .1811 Protection Against Risk of Injury to Persons Surface Temperatures .2012 Stability 2013 Strength of Handles .2014 Strength of Mounting 2015 Mechanic
22、al Assembly .2116 Liquid-Containing Parts 2117 Protection Against Corrosion .2218 Cord-Connected Products .2219 Permanently Connected Products .2320 Leads and Terminals 2421 Flexible Cords 2622 Strain Relief 2723 Bushings 2824 Current-Carrying Parts 2925 Internal Wiring 2926 Protection of Wiring .29
23、27 Wiring Connections .3028 Electrical Insulation .3029 Separation of Circuits .3130 Secondary Circuits 3330.1 General .3330.2 Extra-low-voltage circuits 3331 Grounding .3431.1 General .3431.2 Permanently connected products .3531.3 Cord-connected products 36APRIL 25, 2011 CSA C22.2 NO. 104-11 UL 998
24、 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL31.4 Bonding of internal parts 3632 Bonding Means .3733 Capacitors .3834 Coil Windings 3835 Heating Elements .3936 Motors .3936.1 General .3936.2 Motor overload protection .4036.3 Short circuit
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- UL9982011ULSTANDARDFORSAFETYHUMIDIFIERSFIFTHEDITIONREPRINTWITHREVISIONSTHROUGHANDINCLUDINGAPRIL42016

链接地址:http://www.mydoc123.com/p-1069118.html