UL 67-2009 UL Standard for Safety Panelboards (Twelfth Edition Reprint with Revisions Through and Including November 17 2017)《配电盘》.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 67 PanelboardsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DIS

2、TRIBUTION 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 Accessibility of Live Parts on Line Side of Service Disconnect for Parag

3、raphs 5.4.2 and 5.4.5 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 the date of publica

4、tion 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 March 13, 2015. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in

5、 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 or tness for any pur

6、pose. 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 representative has be

7、en 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 harmless from and again

8、st 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. The requirements in this Standard are now in effect, except for thos

9、e paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective 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 preced

10、ed by a SUPERSEDED REQUIREMENTS notice. The following table lists the future effective dates with the corresponding reference. APRIL 24, 2015 UL 67 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Future Effective Dates References January

11、1, 2017 Paragraphs 5.4.2 5.4.5, 10.1.11 10.1.12, 11.1.1, Section 11A, Section 12.8, 32.9.11, Section 32.17, Figures 5.1, and 10.1. APRIL 24, 2015 UL 67 tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL March 18, 2009 (Title Page Reprinted:

12、April 24, 2015) 1 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 Ed

13、ition October, 1988 Eleventh Edition December, 1993 Twelfth Edition March 18, 2009 This ANSI/UL Standard for Safety consists of the Twelfth edition including revisions through April 24, 2015. The most recent designation of ANSI/UL 67 as an American National Standard (ANSI) occurred on April 24, 2015

14、. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. 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. C

15、omments 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 copyrighted by UL. Neither a printed nor el

16、ectronic 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 2015 UNDERWRITERS LABORATORIES INC. ANSI/UL 67-2015UL COPYRIGHTED MATERIAL NOT AUTHORIZED

17、FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NOVEMBER 14, 2014 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 Measur

18、ement .9 3A Undated References .9 4 Glossary 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 Encl

19、osure .21 6.1 General 21 6.2 Component 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 A

20、mpacity General .34A 10.4 Main unit ratings .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, an

21、d Overcurrent-Protective Devices .44C 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 NOV

22、EMBER 14, 2014 PANELBOARDS - UL 67 3UL 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, Wiri

23、ng Gutters, and Wire Bending Space .60 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 termi

24、nals 80 17 Sharp Edges .82 18 Separation 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 Insulatin

25、g Base and Support Test 90 22 Mold Stress 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

26、 Short-circuit tests 104 23.10 Evaluation 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 Transf

27、er Equipment .107 MANUFACTURING AND PRODUCTION TESTS 27 Ground-Fault Protection Test 107 NOVEMBER 14, 2014 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 C

28、ircuit Current Details .109 MARKING 32 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 applia

29、nce panelboards .121 32.9 Service equipment 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 wit

30、h provisions for cord connections 128B 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 US

31、E SA1 Scope SA1 SA2 Enclosure .SA1 SA3 Current-Carrying Parts .SA2 SA4 Switches, Circuit Breakers, and Overcurrent Protection .SA2 SA5 Insulating Material .SA3 SA6 Marking SA3 NOVEMBER 14, 2014 PANELBOARDS - UL 67 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHO

32、UT PERMISSION FROM UL SUPPLEMENT SB - 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 Temperat

33、ure Test SB3 SB7 Short-Circuit Current 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

34、Withdrawal Test .SC3 MARKING SC6 Details .SC3 APPENDIX A Standards for ComponentsA1 JANUARY 11, 2013 PANELBOARDS - UL 67 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Appendix B (Informative) Explanatory Information Regarding Wire Deectio

35、n And Bending Distances JANUARY 11, 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

36、 70. 1.2 These requirements cover panelboards 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) D

37、istribution equipment which sole function 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 c

38、ontrol industrial processes. Reference 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 Circu

39、it-Breaker Enclosures, UL 489. d) Distribution 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 equ

40、ipment and such, intended for control 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. Refe

41、rence the Standards for Motor-Operated 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 c

42、onverter and/or inverter functions, 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 -

43、 UL 67 6BUL COPYRIGHTED MATERIAL NOT 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 stand

44、ards covering components generally used 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 super

45、seded 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 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only unde

46、r limited conditions, such as certain 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.

47、1. Table 2.1 Assumed maximum short-circuit 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

48、. Meter Socket Base 10 7. Motor Controller, 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 GFC

49、I Type) 10 11. Snap Switch 5 12. Terminal 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, kA a The short-circuit current available in a 120 volt secondary circuit of a transformer rated 5 kilovolt-amperes or less is considered