ImageVerifierCode 换一换
格式:PDF , 页数:2 ,大小:12.29KB ,
资源ID:1068824      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-1068824.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(UL 698A CRD-2015 UL Standard for Industrial Control Panels Relating to Hazardous - Section Paragraph Reference 1 2 Subject Deletion of outdated scope restriction (Edition 3 Septem.pdf)为本站会员(towelfact221)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

UL 698A CRD-2015 UL Standard for Industrial Control Panels Relating to Hazardous - Section Paragraph Reference 1 2 Subject Deletion of outdated scope restriction (Edition 3 Septem.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared and published by Underwriters Laboratories Inc.(UL). It is normative for the a

2、pplicable UL Product Certification Program(s); however, it is currently notpart of the UL Standard(s) referenced below.Product Category (CCN): NRBXStandard Number: UL 698AStandard Title: Standard for Industrial Control Panels Relating to Hazardous(Classified) LocationsEdition Date: September 14, 201

3、2Edition Number: 3Section / Paragraph Reference: 1.2Subject: Deletion of outdated scope restrictionDECISION:It has been decided that Clause 1.2 of UL 698A is no longer applicable and can be deleted in its entirety.1.2 The industrial control panels covered by these requirements are not intended for m

4、etalworking machine tools, plastic injection molding, power press controls, flame safety supervisionof combustible fuel type equipment, or elevator controls. 1.2 The industrial control panelscovered by these requirements are not intended for metal working machine tools, plasticinjection molding, pow

5、er press controls, flame safety supervision of combustible fuel typeequipment, or elevator controls.RATIONALE FOR DECISION:Clause 1.2 of UL 698A states that the industrial control panels covered by these requirements “are notintended for metal working machine tools, plastic injection molding, power

6、press controls, flame safetysupervision of combustible fuel type equipment, or elevator controls”. This is an outdated restriction thatis no longer applicable to panel applications covered by this standard.When UL 698A was first published, it relied upon general industrial requirements for ordinary

7、locations(OrdLoc) industrial control panels that involved a similar restriction. Therefore, this restriction was simplyrepeated in UL 698A for consistency. Today, the general industrial requirements for OrdLoc industrialcontrol panels upon which UL 698A relies are contained in the UL Standard for Sa

8、fety for IndustrialControl Panels, UL 508A. In Clause 1.2 of UL 508A, it reads (with bold text added for emphasis), “Theserequirements also cover industrial control panel enclosures and industrial control panels intended forflame safety supervision of combustible fuel type equipment, elevator contro

9、l, crane or hoistcontrol, service equipment use, marine use, air conditioning and refrigeration equipment, and for controlof industrial machinery including metalworking machine tools, power press controls, and plasticinjection molding machinery”.Therefore, with the general industrial requirements fo

10、r OrdLoc industrial control panels contained in UL508A specifically covering metal working machine tools, plastic injection molding, power press controls,flame safety supervision of combustible fuel type equipment, and elevator controls, the restriction inClause 1.2 of UL 698A is no longer applicabl

11、e and can be deleted.This Certification Requirement Decision (CRD) will be reflected in an upcoming Fourth edition revisioneffort underway regarding UL 698A.Copyright 2015 Underwriters Laboratories Inc.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION

12、FROM ULUL, in performing its functions in accordance with its objectives, does not guarantee or warrant thecorrectness of Certification Requirement Decisions it may issue or that they will be recognized or adoptedby anyone. Certification Requirement Decisions are the opinion of Underwriters Laborato

13、ries Inc. inpractically applying the requirements of the standard. They do not represent formal interpretations of thestandard under American National Standards Institute (ANSI) processes. UL shall not be responsible toanyone for the use of or reliance upon Certification Requirement Decisions by any

14、one. UL shall not incurany obligation or liability for damages, including consequential damages, arising out of or in connectionwith the use or reliance upon Certification Requirement Decisions. The electronic version of theCertification Requirement Decision is the current version and previously printed copies may be outdated.This document is published as a service to ULs certification customersSTANDARD NUMBER: UL 698A -2-

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1