UL 962A-2018 UL Standard for Safety Furniture Power Distribution Units (Fifth Edition).pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 962A Furniture Power Distribution Units STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL N

2、OT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Furniture Power Distribution Units, UL 962A Fifth Edition, Dated June 12, 2018 Summary of Topics This new edition of ANSI/UL 962A reects the First time ANSI approval of the Standard, as well

3、as the following changes in requirements: FPDU Employing Tamper Resistant Outlets New Requirements for Furniture Power Distribution Units for Clustered Seating Miscellaneous Editorial Corrections The new and revised requirements are substantially in accordance with Proposal(s) on this subject dated

4、November 17, 2017 and April 20, 2018. 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 prior permission of UL. UL provides this Standard as i

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6、 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 ever exceed the price paid for this Standard, regardle

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8、while purchaser is storing an electronic Standard on the purchasers computer system. JUNE 12, 2018 UL 962A tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JUNE 12, 2018 UL 962A tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZE

9、D FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JUNE 12, 2018 1 UL 962A Standard for Furniture Power Distribution Units First Edition September, 2003 Second Edition December, 2008 Third Edition September, 2014 Fourth Edition February, 2016 Fifth Edition June 12, 2018 This ANSI/

10、UL Standard for Safety consists of the Fifth Edition. The most recent designation of ANSI/UL 962A as an American National Standard (ANSI) occurred on June 12, 2018. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, and Title Page. Comments or proposals for revisions on

11、 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 b

12、e 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 2018 UNDERWRITERS LABORATORIES INC. ANSI/UL 962A-2018UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRI

13、BUTION WITHOUT PERMISSION FROM UL JUNE 12, 2018 FURNITURE POWER DISTRIBUTION UNITS - UL 962A 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .7 2 Components8 3Use .8 4 Units of Measurement

14、.8 5 Undated References 9 6 Glossary .9 CONSTRUCTION 7 Enclosure .11 7.1 General 11 7.2 Metallic.13 7.3 Nonmetallic .14 8 Mechanical Assembly 14 9 Enclosure Accessibility and Accessibility of Live Parts 15 10 Mounting Means 17 11 Corrosion Protection 17 12 Insulating Materials .17 13 Power-Supply Co

15、rd .18 13.1 General .18 13.2 Class 2 lead .20 13.3 Bushings 20 13.4 Strain relief 20 13.5 Push back relief 20 14 Receptacles21 15 Current Tap 22 16 Supplementary Protection22 17 Switches.24 18 Live Parts24 19 Internal Wiring24 20 Spacings 25 21 Clearance and Creepage Distances Isolated Secondary Cir

16、cuits27 22 Printed-Wiring Boards .28 23 Separation of Circuits .28 24 Low Voltage Charging and Isolated Secondary Output Circuits .29 25 Grounding .29 25.1 General .29 25.2 Bonding .30 26 Low Voltage Charging and Isolated Secondary Output Circuits .31 PERFORMANCE 27 General31 28 Motorized or Self-Pr

17、opelled Movable Parts.32 29 Temperature Test.32 30 Dielectric Voltage-Withstand Test .34 31 Leakage Current Test .35 31.1 General .35 JUNE 12, 2018 FURNITURE POWER DISTRIBUTION UNITS - UL 962A 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL

18、 31.2 Leakage current after humidity conditioning39 32 Grounding Continuity Test .39 33 Fault Current Test 40 33.1 General .40 33.2 Calibration of test circuits40 34 Overcurrent Test41 35 Mounting Hole Barrier Tests .42 35.1 General .42 35.2 Mounting hole barrier impact test.43 35.3 Mounting hole ba

19、rrier probe test .44 36 Strain Relief Test .44 37 Push Back Relief Test.45 38 Impact Tests .45 38.1 General .45 38.2 Drop impact test .46 38.3 Steel sphere impact test 47 38.4 Low-temperature steel sphere impact test .50 39 Crushing Test 50 40 Adequacy of Mounting Test 51 41 Retractable Force Test 5

20、2 42 Mold Stress-Relief Distortion Test.52 43 Spill Test 53 44 Accessibility Tests 54 44.1 Enclosure accessibility test 54 44.2 Accessibility of live parts test 54 45 Test for Permanence of Cord Tag 56 45.1 General .56 45.2 Test conditions.56 45.3 Test method .57 46 Pinch Force Evaluation Test .57 4

21、7 Normal Operation Test 58 48 Cycling Test58 49 Flexing Endurance Test .59 MANUFACTURING AND PRODUCTION-LINE TESTS 50 Dielectric Voltage-Withstand Test .60 51 Grounding Continuity Test .62 RATINGS 52 Details.62 MARKINGS 53 Details.62 INSTRUCTIONS 54 Details.65 JUNE 12, 2018 FURNITURE POWER DISTRIBUT

22、ION UNITS - UL 962A 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SUPPLEMENT SA - FURNITURE POWER DISTRIBUTION UNITS INCORPORATING BATTERIES INTRODUCTION SA1 Scope SA1 SA2 GlossarySA1 SA3 General SA2 SA4 Battery Chargers and Circuits .SA2

23、 CONSTRUCTION SA5 BatteriesSA2 SA5.1 General SA2 SA5.2 Non-replaceable batteries SA3 SA5.3 Technician replaceable batteries SA3 SA5.4 User replaceable batteriesSA3 SA5.5 Battery packs .SA3 SA5.6 Lithium-ion battery cells or packsSA3 SA6 Battery Compartments .SA4 SA7 Battery Circuits SA5 SA8 Battery

24、Charging SA5 PERFORMANCE SA9 Temperature TestSA5 SA9.1 General SA5 SA9.2 Temperature test method I .SA6 SA9.3 Temperature test method II.SA6 SA9.4 Temperature test method III SA6 SA10 Discharge Test .SA6 SA11 Lithium-ion Batteries SA7 SA11.1 Lithium-ion battery abnormal testsSA7 SA11.2 Impact tests

25、.SA8 SA12 Markings SA8 SA13 Installation and Operation Instructions.SA9 SUPPLEMENT SB - FURNITURE POWER DISTRIBUTION UNITS FOR CLUSTERED SEATING INTRODUCTION SB1 Scope SB1 SB2 GlossarySB2 SB3 General SB3 SB4UseSB3 CONSTRUCTION SB5 General SB4 SB6 Enclosure.SB5 JUNE 12, 2018 FURNITURE POWER DISTRIBUT

26、ION UNITS - UL 962A 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SB6.1 Nonmetallic.SB5 SB6.2 Metallic SB6 SB7 Enclosure Accessibility and Accessibility of Live PartsSB6 SB8 Mounting Means.SB7 SB9 Power-Supply and Interconnecting Cords .S

27、B8 SB9.1 General SB8 SB9.2 Power-supply cord SB8 SB9.3 Interconnecting cords SB9 SB9.4 Interconnection plugs and cord connectors .SB9 SB9.5 Interconnection inlet and outlet .SB9 SB9.6 Bushings SB10 SB10 Supplementary Overcurrent Protection .SB10 SB10.1 General SB10 SB10.2 Primary supplementary overc

28、urrent protection SB10 SB10.3 Subordinate supplementary overcurrent protection SB10 SB11 Internal Wiring SB11 SB12 Receptacles for Connection to Utilization Equipment.SB11 PERFORMANCE SB13 General SB12 SB14 Temperature Test .SB12 SB15 Fault Current Test .SB13 SB15.1 General SB13 SB16 Adequacy of Mou

29、nting Test.SB13 SB16.1 Static mechanical load test .SB13 SB16.2 Abrupt pull test .SB13 SB17 Spill Test .SB16 SB18 Latching Test .SB16 MARKINGS SB19 Details .SB17 INSTRUCTIONS SB20 Details .SB17 APPENDIX A Standards for ComponentsA1 JUNE 12, 2018 FURNITURE POWER DISTRIBUTION UNITS - UL 962A 6UL COPYR

30、IGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover indoor use cord and plug connected or permanently connected, furniture power distribution units (FPDU) rated 250 V AC or less and 20 Amperes or less. A

31、n FPDU may provide one or more receptacle outlets, inclusive of one current tap integral to the attachment plug, if provided, for connection of utilization equipment. An FPDU may include an integral Class 2 power supply employing integral output lead(s) and/or output connector(s) and may include rec

32、eptacles with integral power supplies employing Class 2 output connector(s). FPDUs are for xed mounting to portable or stationary furnishings as a power supply connection for cord and plug connected electrical utilization equipment in accordance with the National Electrical Code, NFPA 70. 1.2 In acc

33、ordance with the National Electrical Code, NFPA 70, furniture power distribution units (FPDUs) shall not serve as xed wiring of a structure or of xed furnishings, such as but not limited to applications in permanent countertops of kitchens and bathrooms. 1.3 A cord-and-plug-connected product as desc

34、ribed in 1.1 with less than three receptacle outlets and provided with a Luminaire is covered under the Standard for Portable Electric Luminaires, UL 153. 1.4 A cord-and-plug-connected product as described in 1.1 with less than three receptacle outlets and that employs an electromagnetic interferenc

35、e lter is covered under the Standard for Electromagnetic Interference Filters, UL 1283. 1.5 A cord-and-plug-connected product as described in 1.1 with less than three receptacle outlets and that employs a surge protective device (SPD) is covered under the Standard for Surge Protective Devices, UL 14

36、49, for SPD Type 3. 1.6 A cord-and-plug-connected product as described in 1.1 that employs ground-fault protection is covered under the requirements for portable GFCIs in the Standard for Ground-Fault Circuit Interrupters, UL 943. 1.7 This standard does not cover FPDUs intended for use with medical

37、equipment. 1.8 These requirements cover FPDUs provided with isolated secondary circuits. 1.9 These requirements cover FPDUs provided with batteries located in isolated secondary circuits. 1.10 A product that has a battery backup feature or other uninterruptible power supply equipment located in the

38、Primary Circuit shall comply with the applicable requirements in the Standard for Uninterruptible Power Supply Equipment, UL 1778. 1.11 A FPDU with three or more receptacle outlets may employ a Light Emitting Diode (LED) Luminaire. 1.12 This standard contains the following Supplements: a) Supplement

39、 SA Furniture Power Distribution Units Incorporating Batteries. b) Supplement SB Furniture Power Distribution Units for Clustered Seating. JUNE 12, 2018 FURNITURE POWER DISTRIBUTION UNITS - UL 962A 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FR

40、OM UL 2 Components 2.1 Except as indicated in 2.2, a component of products covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standards covering components used in the products covered by this standard. 2.2 A component is not required to comp

41、ly 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 standard. 2.3 A component shall be used in accordance with its rating established for the

42、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 certain temperatures not exceeding specied limits, and shall be used only under those speci

43、c conditions. 2.5 A FPDU that incorporates a LED Luminaire and LED components and subassemblies shall comply with the applicable requirements of the Standard for Light Emitting Diode (LED) Equipment for Use in Lighting Products, UL 8750. 3 Use 3.1 A FPDU is intended to be connected to a permanently

44、installed branch circuit receptacle outlet. 3.2 A FPDU is intended to be mounted to an indoor use portable or stationary furnishing. A FPDU is not intended to serve as xed wiring of a structure or of xed furnishings. 3.3 FPDU are not intended to be series connected (daisy chained) to other FPDUs to

45、relocatable power taps or to extension cords. 4 Units of Measurement 4.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 4.2 Unless otherwise indicated, all voltage and current values mentioned in this standard are root-mean-sq

46、uare (rms). JUNE 12, 2018 FURNITURE POWER DISTRIBUTION UNITS - UL 962A 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 5 Undated References 5.1 Any undated reference to a code or standard appearing in the requirements of this standard shall

47、 be interpreted as referring to the latest edition of that code or standard. 6 Glossary 6.1 For the purpose of this standard the following denitions apply. 6.2 ATTACHMENT PLUG A male contact device for the temporary connection of a exible cord or cable to a receptacle outlet or cord connector. 6.3 C

48、LASS 2 LEAD Consists of a factory-made, power-limited cable with an output connector at one end. The other end is secured within the housing or enclosure of the FPDU. The output connector is intended for connection to the Class 2 separable interface (such as Universal Serial Bus USB connectors). 6.4

49、 CLASS 2 SEPARABLE INTERFACE A separable component containing Class 2 low-voltage connector(s) only (such as Universal Serial Bus (USB) connectors). 6.5 CORD CONNECTOR A female contact device assembled or molded on exible cord to allow a detachable electrical connection to an attachment plug. 6.6 CURRENT TAP A single-outlet contact device that is integral to the attachment plug of the FPDU power supply cord. 6.7 FIXED FURNISHING Intended to be permanently connected electrically to a source of supp