UL 65-2010 UL Standard for Safety Wired Cabinets (Seventh Edition Reprint with revisions through and including September 16 2013)《配电箱》.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 65 Wired CabinetsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR

2、DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Wired Cabinets, UL 65 Seventh Edition, Dated October 26, 2010 Summary of Topics This revision of UL 65 includes Terminology Changes and Clarication of Requirements. Text that has been changed in any manner or impacted by ULs electron

3、ic publishing system is marked with a vertical line in the margin. Changes in requirements are marked with a vertical line in the margin and are followed by an effective date note indicating the date of publication or the date on which the changed requirement becomes effective. The revised requireme

4、nts are substantially in accordance with Proposal(s) on this subject dated June 17, 2013. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without pr

5、ior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or sim

6、ilar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ev

7、er exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fee

8、s) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effe

9、ctive dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. SEPTEMBER 16, 2013 UL 65 tr1UL COPYRIGHTED MATERIAL NOT

10、 AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 16, 2013 UL 65 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL OCTOBER 26, 2010 (Title Page Reprinted: September 16, 2013) 1 UL

11、 65 Standard for Wired Cabinets First Edition December, 1955 Second Edition April, 1971 Third Edition January, 1977 Fourth Edition March, 1982 Fifth Edition April, 1993 Sixth Edition March, 1997 Seventh Edition October 26, 2010 This UL Standard for Safety consists of the Seventh Edition including re

12、visions through September 16, 2013. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyri

13、ghted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MAT

14、ERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 16, 2013 WIRED CABINETS - UL 65 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope 4A 1A Glos

15、sary 4A 2 Components 4B 3 Units of Measurement .5 4 Undated References 5 CONSTRUCTION 5 General 5 6 Corrosion Resistance 6 7 Joints 6 8 Ballast and Luminaire Power Supply Driver Enclosures 6A 9 Supply Connections 6A 9.1 Permanently-connected cabinets 6A 9.2 Cord-connected cabinets 8 10 Electric-Disc

16、harge Lamps .9 11 Wiring Devices and Grounding .10 12 Wireways 12 13 Internal Wiring General 13 14 Installation of Power and Class 2, LPS, or Low Voltage Circuits Within the Same Enclosure .16 15 Splices 16 16 Polarity 17 17 Accessibility of Live Parts 18 17A Accessibility of Uninsulated Live Parts

17、and Film-Coated Wire 18 18 Spacings .18D 19 Grounding 18E 20 Wired Cabinets Sections 18F PERFORMANCE 21 Temperature Test .19 22 Tests on Wiring .22 22.1 Insulation resistance 22 22.2 Strain relief 23 MARKINGS 23 General 23 24 Wired Cabinet Electrical Ratings 25 25 Markings for Cabinets Shipped in Se

18、ctions 25 INSTRUCTIONS 26 Cabinets Shipped in Sections 26 SEPTEMBER 16, 2013 WIRED CABINETS - UL 65 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APPENDIX A Standards for ComponentsA1 APRIL 11, 2013 WIRED CABINETS - UL 65 4UL COPYRIGHTED

19、MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover wired cabinets (showcases) for use in other than hazardous (classied) locations in accordance with the National Electrical Code, NFPA 70. 1.1 revised Septembe

20、r 16, 2013 1.2 These requirements cover display cases (showcases) and special-purpose cabinets containing electrical wiring, with or without illumination. 1.2 revised September 16, 2013 1.3 These requirements also cover wired cabinets and display cases (showcases) of such size that they must be sect

21、ionalized for shipping from the factory, and assembled and wired at the installation site. 1.3 revised September 16, 2013 1.4 These requirements do not cover bathroom cabinets, cabinets provided with or designed for use with refrigeration equipment, or general use cabinets or boxes intended for the

22、enclosure of electrical equipment. 1A Glossary 1A.1 For the purposes of this Standard, the following denitions apply. 1A.1 added April 11, 2013 1A.2 CLASS 2 CIRCUIT An isolated secondary circuit suitable for use in dry locations involving a potential of not more than 30-volt rms maximum, 42.4 volts

23、peak, 60Vdc open circuit secondary potential under any condition of loading or open circuit and with limited output power as dened by the appropriate component standard. 1A.2 added April 11, 2013 1A.2.1 DISPLAY CASE Refer to Showcase. 1A.2.1 added September 16, 2013 1A.3 LIMITED POWER SOURCE (LPS) A

24、 limited power source is as dened in the Standard for Information Technology Equipment Safety Part 1: General Requirements, UL 60950-1. 1A.3 added April 11, 2013 1A.4 READILY ACCESSIBLE Capable of being reached quickly for inspection, operation or renewal without requiring tools or movement of other

25、 than merchandise or equipment within or located on the product blocking access. 1A.4 added September 16, 2013 1A.5 SHOWCASE A furniture cabinet intended to display an item. 1A.5 added September 16, 2013 1A.6 WIRED CABINET A furniture structure such as a cabinet or shelving unit provided with electr

26、ical conductors to transmit electrical energy to receptacle outlets or luminaires. 1A.6 added September 16, 2013 SEPTEMBER 16, 2013 WIRED CABINETS - UL 65 4AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2 Components 2.1 Except as indicated

27、 in 2.2, a component of a product covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standards covering components generally used in the products covered by this standard. 2.2 A component is not required to comply with a specic requirement th

28、at: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.4

29、 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. 2.5 A Relocatable

30、 Power Tap (RPT) shall comply with the Standard for Relocatable Power Taps, UL 1363 and shall only be mounted to the wired cabinet if provided with a temporary mounting means incorporated as a feature of the RPT. The mounting feature is the only acceptable method of securement of the RPT to the wire

31、d cabinet. Exception: Hook and loop and other securement means are allowed provided the securement system complies with all of the following: a) The RPT is removable without the use of tools; b) No part of the securement means is located in the plane of the receptacle face; c) There are no modicatio

32、ns of the RPT enclosure; and d) The RPT is not secured by any electrical cord. 2.5 revised April 11, 2013 2.6 A Furniture Power Distribution Unit (FPDU) shall comply with the Standard for Furniture Power Distribution Units, UL 962A and shall be mounted to the wired cabinet using the mounting feature

33、 incorporated with the FPDU. 2.6 effective April 26, 2012 2.7 A sign that is mechanically or electrically attached to a Wired Cabinet shall comply with the Standard for Electric Signs, UL 48. 2.7 effective April 26, 2012 SEPTEMBER 16, 2013 WIRED CABINETS - UL 65 4BUL COPYRIGHTED MATERIAL NOT AUTHORI

34、ZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2.8 A luminaire supplied with the wired cabinet shall comply with the Standard for Luminaires, UL 1598 or shall comply with the requirements for cabinet lights in the Standard for Portable Electric Luminaires, UL 153. 2.8 effect

35、ive April 26, 2012 2.9 A low voltage Luminaire supplied with the wired cabinet shall comply with Standard for Low Voltage Lighting Systems, UL 2108. 2.9 effective April 26, 2012 2.10 A light emitting diode luminaire supplied with the wired cabinet shall comply with the basic standard for that lumina

36、ire type and the Standard for Light Emitting Diode (LED) Equipment for Use In Lighting Products, UL 8750. Exception: An LED array supplied by a Class 2 power supply is not required to comply with the Standard for Light Emitting Diode (LED) Equipment for Use In Lighting Products, UL 8750. 2.10 revise

37、d April 11, 2013 SEPTEMBER 16, 2013 WIRED CABINETS - UL 65 4CUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 16, 2013 WIRED CABINETS - UL 65 4D No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR

38、DISTRIBUTION WITHOUT PERMISSION FROM UL 2.10.1 A Class 2 or LPS powered LED array constructed on a printed circuit board shall have a minimum ammability rating of HB in accordance with the Standard for Flammability of Plastic Materials for Parts in Devices and Appliances, UL 94. 2.10.1 added April 1

39、1, 2013 2.11 An anti-theft or security device supplied with the wired cabinet shall comply with the Standard for Antitheft Alarms and Devices, UL 1037. 2.11 effective April 26, 2012 2.12 A Class 2 power source shall comply with: a) The requirements for Class 2 power in the Standard for Low Voltage T

40、ransformers Part 3, Class 2 and Class 3 Transformers, UL 5085-3; or b) The Standard for Class 2 Power Units, UL 1310 2.12 added April 11, 2013 2.13 A limited power source (LPS) shall comply with the requirements of the Standard for Information Technology Equipment Safety Part 1: General Requirements

41、, UL 60950-1. 2.13 added April 11, 2013 3 Units of Measurement 3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 4 Undated References 4.1 Any undated reference to a code or standard appearing in the requirements of this stand

42、ard shall be interpreted as referring to the latest edition of that code or standard. CONSTRUCTION 5 General 5.1 A wired cabinet shall be constructed to provide mechanical strength. 5.2 A wired cabinet for use in wet locations shall be investigated for such use. The investigation may include a rain

43、test, a humidity test, or both. APRIL 11, 2013 WIRED CABINETS - UL 65 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 6 Corrosion Resistance 6.1 An iron or steel part shall be made resistant to corrosion by zinc or cadmium coatings, plating

44、, painting, varnishing, or lacquering. Exception No. 1: Threaded holes, and the cut edges and punched holes of an enclosure, and the like, formed of galvanized stock are not required to be corrosion resistant. Exception No. 2: Malleable-iron parts, and steel nuts, bolts, screws, and washers are not

45、required to be corrosion resistant. Exception No. 3: Brass, copper, and lead-alloy (terne) shall not be used for the plating of iron or steel parts to provide corrosion resistance. 7 Joints 7.1 A method of making joints between metal parts and of fastening arms and supports shall be such as to provi

46、de strength and rigidity to prevent turning that could result in the movement of a wire or wiring device after the assembly is completed. 7.2 A screw joint may be locked by solder, a setscrew, sealing, or the equivalent. 7.3 Friction alone between parts is not an acceptable means of preventing turni

47、ng. Turning may be prevented by a lock washer, applied as intended, a locknut seated against another nut, or by an equivalent method. 7.4 Sheet metal nuts may be used to prevent turning when supplied as part of an armored-cable or exible-conduit connector. Sheet metal nuts made of heat-treated steel

48、 may be used for assembly, to prevent turning of threaded tubing not larger than 1/8-inch (3.16-mm) pipe size, and on 1/4-inch (6.35-mm) and smaller diameter bolts and studs. 7.5 A swivel joint shall be constructed so that turning will not damage the insulation on the wires. If wires passing through

49、 the joint are concealed, the joint shall be constructed so that rotation is limited to no more than 360 degrees. OCTOBER 26, 2010 WIRED CABINETS - UL 65 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 8 Ballast and Luminaire Power Supply Driver Enclosures 8.1 A ballast enclosure may be mounted on an exterior surface of a wired cabinet, but shall not be recessed in the cabinet walls or immediately enclosed in wood on more tha