ANSI UL 67-2009 UL Standard for Safety Panelboards (Twelfth Edition Reprint with Revisions Through and Including December 14 2016)《配电盘安全标准》.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 67 Panelboards STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER

2、 REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Panelboards, UL 67 Twelfth Edition, Dated March 18, 2009 SUMMARY OF TOPICS: The revisions to ANSI/UL 67 include the following changes in requirements: Revisions to Increase Voltage from 600 to 1000 V Correction to Sp

3、acing Requirements for (Snap) Switches Text that has been changed in any manner or impacted by ULs electronic 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 th

4、e date of publication or the date on which the changed requirement becomes effective. The new/revised requirements are substantially in accordance with Proposal(s) on this subject dated September 30, 2016. All rights reserved. No part of this publication may be reproduced, stored in a retrieval syst

5、em, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior 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

6、 or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar 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

7、representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever 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 ha

8、rmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. DECEMBER 14, 2016 UL 67 tr1UL COPYRIGHTED MATER

9、IAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 14, 2016 UL 67 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARCH 18, 2009 (Title Page Reprinted: December 14, 2016) 1

10、 UL 67 Standard for Panelboards First Edition November, 1917 Second Edition July, 1928 Third Edition April, 1931 Fourth Edition March, 1941 Fifth Edition November, 1948 Sixth Edition May, 1965 Seventh Edition July, 1967 Eighth Edition August, 1974 Ninth Edition August, 1979 Tenth Edition October, 19

11、88 Eleventh Edition December, 1993 Twelfth Edition March 18, 2009 This ANSI/UL Standard for Safety consists of the Twelfth edition including revisions through December 14, 2016. The most recent designation of ANSI/UL 67 as an American National Standard (ANSI) occurred on December 14, 2016. ANSI appr

12、oval for a standard does not include the Cover Page, Transmittal Pages, and Title Page. The Department of Defense (DoD) has adopted UL 67 on June 18, 1990. The publication of revised pages or a new edition of this Standard will not invalidate the DoD adoption. Comments or proposals for revisions on

13、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 https:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be

14、 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 2016 UNDERWRITERS LABORATORIES INC. ANSI/UL 67-2016UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUT

15、ION WITHOUT PERMISSION FROM UL DECEMBER 14, 2016 PANELBOARDS - UL 67 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope 6B 2 Components 7 3 Units of Measurement .9 3A Undated References .9 4 G

16、lossary 10 CONSTRUCTION 5 General .17 5.1 All panelboards .17 5.2 Equipment on supply side of disconnect 18 5.3 Distribution equipment 18A 5.4 Service equipment .18A 5.5 Branch circuits .18B 5.6 Electrical connections 20 5.7 Field installable equipment 20B 6 Enclosure .21 6.1 General 21 6.2 Componen

17、t arrangement .22 6.3 Ventilating openings .23 7 Bases and Supports Insulating Material .24C 8 Covers, Barriers, and Partitions 27 8.1 General 27 8.2 Bushings .30 9 Filler Plates .31 10 Current-Carrying Parts 32 10.1 General .32 10.2 Bus bars, supports 32B 10.3 Ampacity General .34A 10.4 Main unit r

18、atings .38 10.5 Neutral 39 10.6 Fuseholders and circuit breakers .40 11 Wiring Terminals 40 11.1 General .40 11.2 Screw terminals 43 11A Cord-Connectors 44 11A.1 General 44 11A.2 Input connections 44A 11A.3 Output connections 44B 12 Switches, Circuit Breakers, and Overcurrent-Protective Devices .44C

19、 12.1 General 44C 12.2 Ratings .45 12.3 Main and main-disconnect switches and circuit breakers 45 12.4 Switches 46 12.5 Overcurrent protective devices .47 12.6 Lighting and appliance panelboards 47 12.7 Fuseholders .49 12.8 Panelboards with integral inlet .49 DECEMBER 14, 2016 PANELBOARDS - UL 67 3U

20、L COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 13 Ground-Fault Protection .49 14 Spacings 51 14.1 General .51 14.2 Switches 56 14.3 Barriers and liners 56 14.4 Tape 59 14.5 Tubing 59 15 Wiring Space, Wiring Gutters, and Wire Bending Space .6

21、0 15.1 General .60 15.2 Wiring space, wiring gutters, and terminal compartments 63 15.3 Wire deection and bending space .68 15.4 Determination of deection and bending space distances .69 16 Grounding and Bonding .77 16.1 General .77 16.2 Equipment-grounding terminals 80 17 Sharp Edges .82 18 Separat

22、ion of Circuits .83 PERFORMANCE 19 Temperature Test .83 19.1 General .83 19.2 Main lug .86 19.3 Main circuit breaker .87 19.4 Neutral 88 19.5 Clamped joints .89 19.6 Other bus bar coatings 89 19.7 Joints with insulators 89 20 Rain Test 90 21 Strength of Insulating Base and Support Test 90 22 Mold St

23、ress Relief Test 90 23 Short-Circuit Current Test 91 23.1 General .91 23.2 Sample selection .93 23.3 Sample preparation .94 23.4 Line connections .95 23.5 Load connections 99 23.6 Fuses 100 23.7 Meter mounting positions .101 23.8 Short-circuit procedure .102 23.9 Short-circuit tests 104 23.10 Evalua

24、tion of test results 104A 24 Dielectric Voltage-Withstand Test 104B 24.1 General .104B 24.2 Joints with insulators .104B 24.3 After short circuit 105 24.4 Insulating barriers .107 25 Bonding Resistance Test .107 26 Test Requirements for Panelboards Used as Transfer Equipment .107 MANUFACTURING AND P

25、RODUCTION TESTS 27 Ground-Fault Protection Test 107 DECEMBER 14, 2016 PANELBOARDS - UL 67 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL RATING 28 General 108 29 Current 108A 30 Voltage .108B 31 Short Circuit Current Details .109 MARKING 3

26、2 Details .109 32.1 General 109 32.2 Wiring space and terminals .115 32.3 Field-installed conductors 117 32.4 Arrangement of terminals 117 32.5 Tightening torque .118 32.6 Enclosure type marking 120 32.7 Switches and circuit breakers .121 32.8 Lighting and appliance panelboards .121 32.9 Service equ

27、ipment 122 32.10 Ground-fault protection .124 32.11 Distribution equipment 124 32.12 Field-installed equipment 125 32.13 Equipment-grounding terminals 127 32.14 Filler plates 128A 32.15 Neutral 128A 32.16 Parallel Power Source Panelboard 128A 32.17 Panelboard with provisions for cord connections 128

28、B 33 Permanence of Marking 129 INSTALLATION INSTRUCTIONS 34 Field Testing of Ground-Fault Protection of Equipment .130 SUPPLEMENT SA - PANELBOARDS FOR USE UNDER USCG ELECTRICAL ENGINEERING REGULATIONS SUBCHAPTER J (46 CFR, PARTS 110 113) PANELBOARDS FOR MARINE USE SA1 Scope SA1 SA2 Enclosure .SA1 SA

29、3 Current-Carrying Parts .SA2 SA4 Switches, Circuit Breakers, and Overcurrent Protection .SA2 SA5 Insulating Material .SA3 SA6 Marking SA3 DECEMBER 14, 2016 PANELBOARDS - UL 67 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SUPPLEMENT SB -

30、 CLASSIFIED CIRCUIT BREAKERS FOR USE WITH SPECIFIED PANELBOARDS AS AN ALTERNATE FOR SPECIFIED CIRCUIT BREAKERS INTRODUCTION SB1 Scope SB1 SB2 Glossary SB1 CONSTRUCTION SB3 General SB1 PERFORMANCE SB4 General SB2 SB5 Insertion and Withdrawal Test .SB2 SB6 Temperature Test SB3 SB7 Short-Circuit Curren

31、t Test .SB3 MARKING SB8 Details .SB4 SUPPLEMENT SC - CLASSIFIED MOLDED-CASE SURGE PROTECTIVE DEVICES (SPDs) FOR USE WITH SPECIFIED PANELBOARDS INTRODUCTION SC1 Scope SC1 SC2 Glossary .SC1 CONSTRUCTION SC3 General SC2 PERFORMANCE SC4 General SC2 SC5 Insertion and Withdrawal Test .SC3 MARKING SC6 Deta

32、ils .SC3 APPENDIX A Standards for ComponentsA1 DECEMBER 14, 2016 PANELBOARDS - UL 67 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Appendix B (Informative) Explanatory Information Regarding Wire Deection And Bending Distances JANUARY 11,

33、2013 PANELBOARDS - UL 67 6AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover panelboards to be employed in accordance with the National Electrical Code, NFPA 70. 1.2 These requirements cover pa

34、nelboards for the control and protection of electric lighting and appliance branch circuits, and power circuits, including feeder distribution panelboards. They also cover units specically designed for panelboard assembly. 1.3 These requirements do not cover: a) Distribution equipment which sole fun

35、ction is the automatic or nonautomatic transferring of one or more load conductor connections from one power source to another. Reference the Standard for Transfer Switch Equipment, UL 1008. b) Factory wired assemblies of industrial control equipment intended to control industrial processes. Referen

36、ce the Standard for Industrial Control Panels, UL 508A. c) Distribution equipment containing only one circuit subdivision, unless also provided with a meter socket. See 5.5.1. Reference the Standard for Molded-Case Circuit Breakers, Molded- Case Switches and Circuit-Breaker Enclosures, UL 489. d) Di

37、stribution equipment intended to serve as a means for distributing power required to operate mobile or temporarily installed equipment. Reference the Standard for Power Outlets, UL 231. e) Factory wired assemblies of controllers, timers, temperature regulating equipment and such, intended for contro

38、l of equipment for use with swimming pools, hot tubs, and/or spas. Reference the Standard for Electric Spas, Equipment Assemblies, and Associated Equipment, UL 1563. f) Factory wired assemblies intended for the control of Architectural and Floating Fountains. Reference the Standards for Motor-Operat

39、ed Water Pumps, UL 778, Underwater Luminaires and Submersible Junction Boxes, UL 676 and Industrial Control Panels, UL 508A. g) Portable power distribution equipment. Reference the Standard for Portable Power- Distribution Equipment, UL 1640. h) Panelboards with converter and/or inverter functions,

40、intended for use as distribution equipment in recreational vehicles. Reference the Standard for Power Converters/Inverters and Power Converter/Inverter Systems for Land Vehicles and Marine Crafts, UL 458. 1.3 revised January 11, 2013 JANUARY 11, 2013 PANELBOARDS - UL 67 6BUL COPYRIGHTED MATERIAL NOT

41、 AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2 Components 2.1 Except as indicated 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 u

42、sed in the products covered by this standard. 2.2 A component is not required to comply with a specic requirement that: 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 stand

43、ard. 2.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.4 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certai

44、n temperatures not exceeding specied limits, and shall be used only under those specic conditions. 2.5 A component not marked with a short-circuit current rating is considered rated for use in a circuit having a maximum available fault current as shown in Table 2.1. Table 2.1 Assumed maximum short-c

45、ircuit current rating for unmarked components Components Short circuit current rating, kA 1. Circuit Breaker (Including GFCI Type) 5 2. Clock-Operated Switch 5 3. Fuseholder 10 4. Plug Fuse 10 5. Industrial Control Equipment: a. Auxiliary Devices 5 b. Switches 5 6. Meter Socket Base 10 7. Motor Cont

46、roller, rated in horsepower (kW) a. 1.5 50 (1.1 37.3) 5 b. 51 200 (38 149) 10 c. 201 400 (150 298) 18 d. 401 600 (299 447) 30 e. 601 900 (448 671) 42 f. 901 1600 (672 1193) 85 8. Photoelectric Switches 5 9. Receptacle (GFCI Type) 2 a 10. Receptacle (other than GFCI Type) 10 11. Snap Switch 5 12. Ter

47、minal Block 10 13. Thermostat 5 14. Direct Connected Meters b JANUARY 11, 2013 PANELBOARDS - UL 67 7 Table 2.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Table 2.1 Continued Components Short circuit current rating,

48、 kA a The short-circuit current available in a 120 volt secondary circuit of a transformer rated 5 kilovolt-amperes or less is considered to be 2 kiloamperes or less. JANUARY 11, 2013 PANELBOARDS - UL 67 8 Table 2.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTIO

49、N OR DISTRIBUTION WITHOUT PERMISSION FROM UL Table 2.1 Continued Components Short circuit current rating, kA b See 2.7. 2.6 The short-circuit current available in the secondary circuit of a transformer rated 10 kilovolt-amperes or less is considered to be 5000 amperes or less. 2.7 For other than a plug-in meter, a current-sensing meter in a panelboard shall be a type that has been subjected to a 60 hertz rms short-circuit current of 12,000 amperes for four electrical cycles,