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): EMDVStandard Number: UL 498AStandard Title: Standard for Current Taps and AdaptersEdition Date: January 23, 2008Edition Number: 2Section / Paragraph Referenc
3、e:Subject: Magnetically Coupled AdapterDECISION:3 Glossary(new) 3.12 MAGNETICALLY COUPLED ADAPTER A device constructed of two mated halves heldtogether by a permanent magnet.9 General(Revised) 9.2 A device shall have a maximum of three outlets supplied from one set of line blades.Exception No. 1: A
4、device that complies with 9.3, 9.4, or 9.5 is not required to comply with thisrequirement. See Table 9.1.Exception No. 2: A magnetically coupled adapter shall have only one outlet supplied from one set of lineblades.(New) 10.8 Permanent Magnets10.8.1 Permanent Magnets used in a magnetically coupled
5、adapter shall de-energize when mating havesare decoupled.(New ) 11.1.5 Permanent Magnets used in a magnetically coupled adapter shall not be relied upon toprovide and render parts “de-energized”. Accessibility of live parts shall comply with para. 11.1.4 in boththe coupled and uncoupled positions.13
6、 Grounding and Dead Metal Parts13.1 General(Revised) 13.1.5 The grounding pin, blade, tab, or contact, of a grounding device shall be permanentlyattached to the body of the device.Exception: For a magnetically coupled adapter the grounding pin, blade, or contact of a grounding deviceshall be permane
7、ntly attached to each individual body halves of the adapter.(New) 17D Magnetically Coupled AdapterUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL17D.1 In addition to the performance contained elsewhere in this standard the separable parts of
8、amagnetically coupled adapter shall comply with the Contact Gap, Overload, Endurance No. 1 (Inductive 6000 cycles), Endurance No. 2 (Tungsten 6000 cycles), Temperature, and Contact Gap (repeated)tests contained in the Standard for Flush Switches, UL 20.17D.2 The tests identified in paragraph 17D.1 s
9、hall be performed based upon the marked ampere andvoltage rating of the magnetically coupled adapter.RATIONALE FOR DECISION:In addition to the applicable requirements for an adapter contained in UL 498A Standard, the followingconstruction, performance and markings shall be applied to evaluate a magn
10、etically coupled adapter.Copyright 2014 Underwriters Laboratories Inc.UL, 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
11、 Requirement Decisions are the opinion of Underwriters Laboratories 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
12、 of or reliance upon Certification Requirement Decisions by anyone. 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 498A -2-
