欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    UL SUBJECT 2749-2011 OUTLINE OF INVESTIGATION FOR SEASONAL USE LED DRIVERS AND NON-INTEGRAL LED LIGHTING STRINGS (Issue 2)《季节性使用的LED驱动器和非整数的LED灯串的调查大纲 (议题2)》.pdf

    • 资源ID:1069342       资源大小:19.40KB        全文页数:6页
    • 资源格式: PDF        下载积分:10000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要10000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!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)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    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,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、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。

    UL SUBJECT 2749-2011 OUTLINE OF INVESTIGATION FOR SEASONAL USE LED DRIVERS AND NON-INTEGRAL LED LIGHTING STRINGS (Issue 2)《季节性使用的LED驱动器和非整数的LED灯串的调查大纲 (议题2)》.pdf

    1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJune 17, 20111SUBJECT 2749OUTLINE OF INVESTIGATIONFORSEASONAL USE LED DRIVERS AND NON-INTEGRAL LED LIGHTINGSTRINGSIssue Number: 2JUNE 17, 2011Summary of TopicsThe second issue of the Outline of I

    2、nvestigation for Seasonal Use LEDDrivers and Non-Integral LED Lighting Strings was published to clarify therequirement in 6.1.COPYRIGHT 2011 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 17, 2011SUBJECT 274

    3、92No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Units of Measurement .43 Undated References 44 Components 4CONSTRUCTION5 LED Drivers 56 Non-Integral Lighting Strings .5MARKINGS AND INSTRUCT

    4、IONS7 Markings .58 Instruction Manual 6JUNE 17, 2011 SUBJECT 2749 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This outline covers the requirements for drivers for use with light-emitting-diode (LED) decorativelighti

    5、ng applications and non-integral light-emitting-diode lighting strings. A non-integral lighting string is anLED lighting string that is provided with one or more fittings that are not of a standard type NEMAconfiguration. These requirements supplement those described in the referenced standards.2 Un

    6、its of Measurement2.1 In addition to being stated in the inch/pound units that are customary in the USA, each of therequirements in this outline is also stated in units that make the requirement conveniently usable incountries employing the metric system (practical SI). Equivalent although not neces

    7、sarily exactlyidentical results are to be expected from applying a requirement in USA or metric terms. Equipmentcalibrated in metric units is to be used when a requirement is applied in metric terms.3 Undated References3.1 Any undated reference to a code or standard appearing in the requirements of

    8、this outline shall beinterpreted as referring to the latest edition of that code or standard.4 Components4.1 Except as indicated in 4.2 a component (including gaskets and polymeric materials) of a productcovered by this outline of investigation shall comply with the requirements for that component.4

    9、.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this outline of investigation, orb) Is superseded by a requirement in this outline of investigation.4.3 A compon

    10、ent shall be used in accordance with its rating established for the intended conditions ofuse.4.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as certain temperatures not

    11、exceeding specified limits, and shall be used only under those specific conditions.JUNE 17, 2011SUBJECT 27494UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONSTRUCTION5 LED Drivers5.1 An LED driver shall comply with the construction, perform

    12、ance, and production requirements of theStandard for Class 2 Power Units, UL 1310, and as specified below.5.2 An LED driver intended for outdoor use as marked on the device shall comply with the Outdoor Useperformance requirements of the Standard for Class 2 Power Units, UL 1310, including the Stand

    13、ingWater Immersion Test. As a result of the Rain Test, the LED driver shall comply with the raintightrequirements.5.3 An LED driver shall comply with the Standard for Class 2 Power Units, UL 1310, Normal TemperatureTest requirements under conditions of maximum obtainable output current and maximum o

    14、btainableoutput power.5.4 With reference to 8.1, the combination of the driver and the non-integral lighting string shall complywith the applicable requirements specified in the Standard for Seasonal and Holiday Decorative Products,UL 588.6 Non-Integral Lighting Strings6.1 A non-integral lighting st

    15、ring shall comply with the applicable requirements described in the Standardfor Seasonal and Holiday Decorative Products, UL 588, for lighting strings that are located in the outputof a Class 2 power unit; however, the Exceptions for products located in a Class 2 circuit with a maximumavailable powe

    16、r of 15 Watts do not apply to non-integral lighting strings, regardless of the available powerof the LED driver.6.2 A non-integral lighting string shall be provided with non-standard type connectors. The connectorshall be provided with a strain relief means such that the pull exerted on the supply c

    17、ord cannot betransmitted directly to the terminals, splices or internal wiring of the connector. Compliance shall bedetermined by the Strain Relief Test, Section 46 of the Standard for Seasonal and Holiday DecorativeProducts, UL 588.MARKINGS AND INSTRUCTIONS7 Markings7.1 An LED driver shall not be m

    18、arked with any Class designation such as Class 1, Class 2, or Class 3.7.2 In addition to the markings of Section 116, Product/Cord Tag Markings, of the Standard for Seasonaland Holiday Decorative Products, UL 588, an LED driver shall employ the following markings:a) Output voltage rating;b) Output c

    19、urrent rating not exceeding 5 amperes, or output volt-ampere or watt rating notexceeding 100 VA or 100 W;c) Indication of output type (ac or dc) and frequency if ac;d) “For use only with UL Listed non-integral LED light string rated_Watts”. The blankshould be filled in with the suitable rating.JUNE

    20、17, 2011 SUBJECT 2749 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL7.3 In addition to the required markings specified in Section 116, Product/Cord Tag Markings, of theStandard for Seasonal and Holiday Decorative Products, UL 588, the non-i

    21、ntegral lighting string shall bemarked within 3 inches of the male connector, “Caution: To reduce the risk of fire or electric shock, useonly with UL Listed seasonal use LED drivers rated _Watts.” The blank should be filled in with thesuitable rating.8 Instruction Manual8.1 The instruction manual fo

    22、r the LED driver shall include information on the product(s) intended forinterconnection consistent with the markings. In addition, it shall contain the following statement orequivalent: “If the connector of this driver does not properly fit into the connector of the lighting string, donot modify th

    23、e product and discard the product if the connector is damaged.”8.2 In addition to the applicable requirements from Section 120 123 of the Standard for Seasonal andHoliday Decorative Products, UL 588, the instruction manual for the non-integral lighting string shallinclude the following statement or equivalent: “If the connector of this lighting string does not properly fitinto the connector of the driver, do not modify the product and discard product if the connector isdamaged.”JUNE 17, 2011SUBJECT 27496


    注意事项

    本文(UL SUBJECT 2749-2011 OUTLINE OF INVESTIGATION FOR SEASONAL USE LED DRIVERS AND NON-INTEGRAL LED LIGHTING STRINGS (Issue 2)《季节性使用的LED驱动器和非整数的LED灯串的调查大纲 (议题2)》.pdf)为本站会员(proposalcash356)主动上传,麦多课文档分享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档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    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 

    收起
    展开