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): RTRTStandard Number: UL 498Standard Title: Standard for Attachment Plugs and ReceptaclesEdition Date: March 30, 2012Edition Number: 15Section / Paragraph Ref
3、erence: (Revised) Supplement SF Receptacles withintegral power supply with Class 2 output connectorsSubject: Separable Face Assembly for Use with Specific Manufacturers Receptaclewith integral power supply with Class 2 output connectorsDECISION:Addition of new requirements to UL 498 Supplement SF, t
4、he Standard for Attachment Plugs andReceptacles.SF2 GlossarySF2.3 REPLACEMENT PART - An individual replacement part identified by the manufacturer, for use inthe same manufacturers complete device.Note: The replacement part is packaged as a “kit” containing the individual part and installationinstru
5、ctions (See Section SF10A of this Supplement).SF2.4 SEPARABLE FACE ASSEMBLY A receptacle with integral power supply and associated Class2 output low-voltage connectors employing a modular face consisting of either:a) ANSI/NEMA slot configuration and Class 2 output connectors,b) Class 2 output connec
6、tors, or anyc) Other Class 2 componentCONSTRUCTIONSF3A Separable Face AssemblySF3A.1 A receptacle with integral power supply with one or more Class 2 outputs that employ a separableface assembly shall be formed and assembled so that it may be installed, in accordance with theinstallation instruction
7、s, into its specified receptacle, without risk of fire or electric shock. Risk of fire orelectric shock is determined by compliance with the construction and performance requirements hereinand the applicable requirements of the Standard for Attachment Plugs and Receptacles, UL 498.SF3A.2 A separable
8、 face assembly shall not require the installer to remove, defeat, or replace any factoryinstalled securement means (such as a rivet).UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSF3A.3 A separable face assembly shall be constructed such tha
9、t when separated from the receptacle,there shall not be any exposed contact to live parts as determined by the articulate probe with web stopshown in UL 498 Figure 9.1.Exception: With the separable face assembly removed from the receptacle (device), exposed output ofthe Class 2 power supply may be a
10、ccessible to contact by the articulate probe with web stop.SF3A.4 A separable face assembly shall be configured in such a manner (i.e. keyed) to prevent incorrectarrangement or positioning.SF3A.5 A separable face assembly shall be mechanically secured to the receptacle (device) by a latch orthe like
11、 to prevent unintentional separation from the receptacle during normal use. The securement meansmay additionally rely on the flush device cover plate for mechanical support, but not as the sole means ofsecurement to the receptacle (device).SF3A.6 A separable face assembly that also covers the ANSI/N
12、EMA slot configuration shall beinvestigated to the applicable UL 498 requirements with and without the separable face assembly securedto the receptacle.SF3A.7 The Class 2 power supply shall be contained within the receptacle (device) assembly only.SF3A.8 A separable face assembly may be provided as
13、a replacement part. See Section SF10A fordetails.PERFORMANCESF6 GeneralSF6.2 A receptacle with integral power supply with one or more Class 2 output low-voltage connectorsthat employs a separable face assembly shall comply with the applicable requirements of this Standard,with and without separable
14、face assembly installed in place.MARKINGS AND INSTRUCTIONSSF10 User Instructions (General)SF10A User Instructions (Separable Face Assembly as a Replacement Part)SF10A.1 A separable face assembly intended as a replacement part shall be provided with instructionspertaining to its installation.SF10A.2
15、An illustration may be used to clarify the intent of a required instruction but shall not replace thewritten instruction.SF10A.3 Instructions shall include the following statements or their equivalent:IMPORTANT SAFETY INSTRUCTIONSWARNING - Use only replacement part (Catalog Number) with Receptacle (
16、+) Only, where (+) is to besubstituted with the specific manufacturer name and model / catalog number of the intended device(s).STANDARD NUMBER: UL 498 -2-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULWARNING - Risk of Fire or Electric Shock
17、. Do not use this replacement part with any receptacle, otherthan the one specified on the replacement mark packaging and in these instructions.”SAVE THESE INSTRUCTIONSSF10A.4 The opening and closing statements of the instructions specified in SF10A.3 - IMPORTANTSAFETY INSTRUCTIONS, and SAVE THESE I
18、NSTRUCTIONS, or the equivalent shall be entirely inupper case letters or shall be emphasized to distinguish them from the rest of the text.SF11 Markings (General)SF12 Markings (Separable Face Assembly as a Replacement Part)SF12.1 A separable face assembly intended as a replacement part shall be prov
19、ided in the form of a kit,including marking as detailed in Section SF11.SF12.2 A required marking shall be molded, die-stamped, paint-stenciled, stamped or etched metal thatis permanently secured, or indelibly stamped lettering on a pressure-sensitive label secured by adhesivethat, upon investigatio
20、n, meets the intent of the requirement for the application.SF12.3 The replacement part shall be provided with the following identification markings:a) Manufacturers name,b) Specific catalog or series number, andc) The date or other dating period of manufacture not exceeding any three consecutive mon
21、ths.Exception: Abbreviation of the date of manufacture, or provision in a nationally accepted conventionalcode or in a code affirmed by the manufacturer, meets the intent of the requirement.SF12.4 The replacement part packaging shall be marked with the following marking or equivalent:WARNING - Use o
22、nly replacement part (Catalog Number) with (+) Receptacle Only.Where “(+)” is to be substituted with the specific manufacturer name and model / catalog number of theintended device(s).RATIONALE FOR DECISION:UL has developed safety requirements addressing a receptacle with integral power supply with
23、one ormore Class 2 outputs which employ a separable face assembly. These requirements also assistManufacturers who wish to provide replacement parts in the form of a “kit”.Copyright 2015 Underwriters Laboratories Inc.UL, in performing its functions in accordance with its objectives, does not guarant
24、ee 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 represent f
25、ormal 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 incurSTANDARD NUMBER: UL 498 -3-UL COPYRIGHTED MATERIAL NOT AUTHORIZED F
26、OR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULany 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 498 -4-
