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): OKQR, OKQR7Standard Number: UL 496Standard Title: Standard for LampholdersEdition Date: September 30, 2008Edition Number: 13Section / Paragraph Reference: SA
3、2Subject: Lampholder fittings with integral USB connectorsDECISION:SA2.4 An integral Class 2 output power supply provided with one or more USB connectors shall complywith applicable requirements in UL 498 and CSA C22.2 No. 42.SA2.4.1 With reference to SA2.4, requirements that are limited to installa
4、tion or use in combination withan outlet box may be omitted.RATIONALE FOR DECISION:Due to spread of low voltage battery operated hand held electronics and the like, USB ports areincreasingly being provided along with or in place of standard NEMA receptacles. This proposaladdresses requirements for U
5、SB ports that provided in combination with or in place of a receptacleintegral to a lampholder fitting. The proposed requirement is a direct reference to current requirements forUSB ports in UL 498- standard for Attachment Plugs and Receptacles.Copyright 2014 Underwriters Laboratories Inc.UL, in per
6、forming 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 Laboratories Inc. inpract
7、ically 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 anyone. UL shall not
8、 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electronic version of theCertification Requirement Decision is the current version and previously printed copies may be outdated.This document is published as a service to ULs certification customersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSTANDARD NUMBER: UL 496 -2-No Text on This Page
