1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared and published by Underwriters Laboratories (UL). Itis normative for the applicable
2、UL Product Certification Program(s); however, it is currently not part ofthe UL Standard(s) referenced below.Product Category (CCN): GPRTStandard Number: UL 507Edition Date: December 13, 1999Edition Number: 9Section / Paragraph Reference: 85 89DECISION:The following are additional requirements appli
3、cable to ceiling suspended fans incorporating LED lightsource(s).2.2.23 LED Light Source A light source consisting of one or more of the following component parts:a) Individual or an array of diodes (LEDs) that provide illumination,b) Electrical power source to operate the LEDs,c) Electrical circuit
4、ry that switches, dims or otherwise controls the LEDs86.1A A light kit assembly incorporating LED light sources shall be provided as an integral component ofthe ceiling suspended fan.86.8A LED light sources shall comply with the requirements of the Outline of Investigation for LightEmitting Diode (L
5、ED) Light Sources for Use in Lighting Products, UL 8750.86.8B If glass is used to render inaccessible live parts of the LED light source. The glass shall: Not be removable, or If removable, the accessible live part shall comply with the Class 2 or limiting impedancerequirements of UL 507, Section 25
6、89.6 The installation / use instructions for a ceiling suspended fan employing a integral LED light sourceshall include the word CAUTION and the following or equivalent statement: “The light source is designedfor this specific application and can overheat if serviced by untrained personnel. If any
7、servicing isrequired, the product should be returned to an authorized service facility for examination or repair.”RATIONALE FOR DECISION:LED luminaires provided as part of ceiling suspended fans differ from conventional incandescent andfluorescent light sources and therefore shall be additionally in
8、vestigated to determine their suitability in theceiling suspended fan. A current lack of standardization of LED light sources requires the source and hostceiling suspended fan to be investigated as a unit. LED light source requirements are specified in Outlineof Investigation for Light Emitting Diod
9、e (LED) Light Sources for Use in Lighting Products, UL 8750.Integral light sources are not considered to be replaceable. Consumer replacement of LED light sourceunits may result in misapplication of lighting controls and potential for overheating.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER RE
10、PRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL LED light sources do not typically respond to conventional light dimming technologies. Theytherefore must be used in conjunction with controls specifically designed and intended for thepurpose. In addition, LED light sources require a means to con
11、duct heat away from the source. Endproduct temperature testing is critical to determining the impact of heat transfer on thesurrounding materials and components within the end product.Copyright 2007 Underwriters Laboratories Inc.UL, in performing its functions in accordance with its objectives, does
12、 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 Laboratories Inc. inpractically applying the requirements of the standard. They do not
13、 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 anyone. UL shall not incurany obligation or liability for damages, including cons
14、equential 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 507 -2-
