NEMA WD 8-2013 Guidelines for Electrical Wiring Device Replacement.pdf

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1、NEMA Standards PublicationNational Electrical Manufacturers AssociationNEMA WD 8-2013Guidelines for Electrical Wiring Device ReplacementWD 7-2011 Page i NEMA WD 8- 2013 Guidelines for Electrical Wiring Device Replacement Published by National Electrical Manufacturers Association 1300 N. 17th Street

2、Rosslyn, Virginia 22209 Published: August 8, 2014 Copyright 2014 by National Electrical Manufacturers Association. All rights including translation into other languages, reserved under the Universal Copyright Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the

3、 International and Pan American Copyright Conventions. WD 8-2013 Page 2 2014 National Electrical Manufacturers Association NOTICE AND DISCLAIMER The information in this publication was considered technically sound by a consensus among persons engaged in its development at the time it was approved. C

4、onsensus does not necessarily mean there was unanimous agreement among every person participating in the development process. The National Electrical Manufacturers Association (NEMA) standards and guideline publications, of which the document herein is one, are developed through a voluntary standard

5、s development process. This process brings together volunteers and/or seeks out the views of persons who have an interest in the topic covered by this publication. Although NEMA administers the process and establishes rules to promote fairness in the development of consensus, it does not write the d

6、ocuments, nor does it independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in its standards and guideline publications. NEMA disclaims liability for any personal injury, property, or other damages of any nature, whether s

7、pecial, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, application, or reliance on this document. NEMA disclaims and makes no guaranty or warranty, express or implied, as to the accuracy or completeness of any information published herein, an

8、d disclaims and makes no warranty that the information in this document will fulfill any particular purpose(s) or need(s). NEMA does not undertake to guarantee the performance of any individual manufacturers or sellers products or services by virtue of this standard or guide. In publishing and makin

9、g this document available, NEMA is not undertaking to render professional or other services for or on behalf of any person or entity, nor is NEMA undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgmen

10、t or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstance. Information and other standards on the topic covered by this publication may be available from other sources, which the user may wish to consult for additional

11、views or information not covered by this publication. NEMA has no power, nor does it undertake to police or enforce compliance with the contents of this document. NEMA does not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certification or other sta

12、tement of compliance with any health- or safety- related information in this document shall not be attributable to NEMA and is solely the responsibility of the certifier or maker of the statement. WD 8-2013 Page iii 2014 National Electrical Manufacturers Association FOREWORD The purpose of this guid

13、e is to provide a checklist to help the homeowner to evaluate the safety of the wiring devices and associated equipment installed in residences. Inquiries, comments, and proposed or recommended revisions should be submitted to the NEMA Wiring Device Section by contacting the: Vice-President, Enginee

14、ring National Electrical Manufacturers Association 1300 N. 17th Street Rosslyn, Virginia 22209 This is the first edition of this guide. The standards or guidelines presented in a NEMA standards publication are considered technically sound at the time they are approved for publication. They are not a

15、 substitute for a product sellers or users own judgment with respect to the particular product referenced in the standard or guideline, and NEMA does not undertake to guarantee the performance of any individual manufacturers products by virtue of this standard or guide. Thus, NEMA expressly disclaim

16、s any responsibility for damages arising from the use, application, or reliance by others on the information contained in these standards or guidelines. This standard was developed by the NEMA Wiring Device Section. Section approval of the guide does not necessarily imply that all section members vo

17、ted for its approval or participated in its development. At the time it was approved, the NEMA Wiring Device Section was composed of the following members: 2D2C, Inc. Kitchener, ON, Canada Eaton Cooper Wiring Devices Peachtree City, GA Ericson Manufacturing Company Willoughby, OH Hubbell Incorporate

18、d Bridgeport, CT Interpower Corporation Oscaloosa, IA KCSM Irvine, CA Leviton Manufacturing Co., Inc. Melville, NY Lutron Electronics Company, Inc. Coopersburg, PA Pass there should be no power at face, or at downstream receptacles.) GFCIs should be installed in kitchens, bathrooms, and other areas

19、where the risk of electric shock is high. Assure GFCIs are installed where required by the electrical code. Receptacles Verify for correct polarity and grounding; use receptacle circuit tester. Inspect for damaged receptacle/plug slots. Blade contacts should securely hold a plug. All receptacles sho

20、uld be a grounding type or, when not available, replace with a GFCI receptacle. Use Tamper-Resistant receptacles to minimize injuries to children. Switches No cracked or missing toggles or rockers Proper activation, with full travel of the switch mechanism. WD 8-2013 Page 2 2014 National Electrical

21、Manufacturers Association No stalling or intermittent throw action. Device should be free and clear of dirt and paint which could interfere with action. Wall plates and Covers No missing plates. Wallplates shall not be damaged, shall be without cracks or excessive paint. Plates should completely cov

22、er openings and seat firmly against the finished wall surface; no gaps. Assure plates are firmly mounted, level and plumb. Shape of plate opening shall match the shape of the wiring device. Check weatherproof covers and boxes to assure proper gasketing is in place and covers are in working order. Up

23、grade to Current Standards When Appropriate and Where Required When replacing devices assure that products and applications comply with current codes and standards: Receptacles to GFCIs per NEC 406.4(D)(3) Receptacles to AFCI per NEC 406.4(D)(4) Tamper Resistant (TR) Receptacles for required locatio

24、ns per NEC 406.12 , 406.13 and 406.14 and NEC 210.52 Weather Resistant (WR) receptacles and While-In-Use covers for outdoors per NEC 406.9(A) and (B) NEMA has established “Guidelines for Handling Water-damaged Electrical Equipment” .This publication provides guidelines on how to handle electrical eq

25、uipment that has been exposed to water through flooding, fire-fighting activities, hurricanes, etc. Below is an excerpt of the section specific to wiring devices. “Wiring Devices, Ground Fault Circuit Interrupters (GFCI), and Surge Protectors Sediments and contaminants contained in water may find th

26、eir way into the internal components of installed electrical products and may remain there even after the products have been dried or washed by the user. These may adversely affect the performance of those products without being readily apparent to the user community. Also, electrical products, such

27、 as GFCIs and surge protective devices, contain electronic circuitry and other components which can be adversely affected by water resulting in the device becoming non-functional or a hazard to the user. As a result, such products subjected to or believed to be subjected to water damage are not suit

28、able for continued use and must be replaced with new undamaged products. Air drying and washing of water damaged products of this type should not be attempted.” NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION 1300 NORTH 17TH STREET, SUITE 900 ROSSLYN. VA 22209www.NEMA.orgTO ORDER ADDITIONAL NEMA STANDARDS VISITWWW.GLOBAL.IHS.COM OR CALL 1-800-854-7179/1-303-397-79565612_0514TB