ANSI UL 1574-2004 UL Standard for Safety Track Lighting Systems (Third Edition Reprint with Revisions Through and Including July 12 2016)《轨道照明装置》.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 1574 Track Lighting Systems STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZE

2、D FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Track Lighting Systems, UL 1574 Third Edition, Dated September 7, 2004 Summary of Topics This revision to ANSI/UL 1574 is being issued to reect the recent reaffirmation of UL 1574 as an American National

3、 Standard. No changes have been made to the requirements within this standard. 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

4、 by an effective date note indicating the date of publication or the date on which the changed requirement becomes effective. 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

5、, 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 purpose. In no event will UL be liable for any special, incide

6、ntal, 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 been advised of the possibility of such damage. In no event s

7、hall 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 against any loss, expense, liability, damage, claim, or judgment

8、 (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. JULY 12, 2016 UL 1574 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FRO

9、M UL JULY 12, 2016 UL 1574 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 7, 2004 (Title Page Reprinted: July 12, 2016) 1 UL 1574 Standard for Track Lighting Systems Prior to the rst edition, the requiremen

10、ts for the products covered by this standard were included in the Standard for Electric Lighting Fixtures, UL 57. First Edition January, 1987 Second Edition May, 1995 Third Edition September 7, 2004 This ANSI/UL Standard for Safety consists of the Third edition including revisions through July 12, 2

11、016. The most recent designation of ANSI/UL 1574 as a Reaffirmed American National Standard (ANS) occurred on July 12, 2016. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals for revisions on any part of

12、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 electronic copy of a Standard should be altered in a

13、ny 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 1574-2012 (R2016)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION

14、 WITHOUT PERMISSION FROM UL SEPTEMBER 7, 2004 TRACK LIGHTING SYSTEMS - UL 1574 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 Units of Measurement .8 3 Glossary .8 4 Components 13 5 U

15、ndated References .13 CONSTRUCTION TRACK SYSTEMS 6 Assembly .14 7 Packaging 14 8 Enclosures 14 9 Corrosion Protection .16 10 Joining of Enclosure Parts .16 11 Prevention of Wire Damage 17 12 Wire and conductors .17 13 Network Conductors .18 13.1 General .18 13.2 Pigtail leads 18 14 Splices and Conne

16、ctions .19 15 Current-Interrupting Devices 19 16 Switches .19 17 Accessibility of Current-Carrying Parts .20 18 Spacings .23 19 Polarity .23 20 Interchangeable Fittings 24 21 Bonding 24 22 Grounding Means .25 23 Supply Connection Means 26 24 Wiring Terminals 29 25 Wiring Compartment And Junction Box

17、 Volume For Branch Circuit Conductors .30 26 Conduit Connection 31 27 Outlet Box Connection .32 CONSTRUCTION TRACK NETWORKS TRACK 28 Field Drilling 34 29 Mounting Openings 34 30 Mounting Means 35 31 Field Cutting 35 CONNECTORS AND CANOPIES 32 General 36 33 Intercept Connectors .36 34 Surface Raceway

18、 Connection .37 35 Mono-, Duo-, or Multi-Point Canopies 37 SEPTEMBER 7, 2004 TRACK LIGHTING SYSTEMS - UL 1574 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 36 Recessed Track and Channels 40 FITTINGS 37 General 40 38 Hooks 41 CONSTRUCTION

19、LUMINAIRE ASSEMBLIES 39 General 41 40 Enclosures .41 41 Lamp Containment Barriers .43 42 Open Holes .45 43 Splices .46 44 Wire and conductors .46 45 Cord-Pendant Luminaire Assemblies .47 46 Adapters .47 47 Ballasts and Transformers 47 48 Fusing .48 49 Lampholders 48 50 Capacitors 48 50.1 General .48

20、 50.2 Nonintegral oil-lled capacitors 50 51 Power Packs .51 52 Pendant Luminaire Adaptor .51 PERFORMANCE SYSTEM 53 Grounding Resistance Test 52 53.1 General .52 53.2 Electrical tting measurement .52 53.3 Test method 52 53.4 Test setup Surface mounted track .53 53.5 Test setup Recessed track .54 53.6

21、 Recessed track for recessed luminaire assemblies 55 53.7 Recessed track for non-recessed luminaire assemblies 55 53.8 Unheated condition test 55 53.9 Heated condition test 55 54 Normal Temperature Test 56 54.1 General .56 54.2 Temperature test conditions HID luminaire assembly 59 54.3 Fixture assem

22、blies measurement 60 54.4 Test setup Surface mounted track .60 54.5 Test setup Recessed mounted track .62 55 Abnormal Recessed Temperature Test .62A 55A Strain Relief Test .62B OCTOBER 27, 2011 TRACK LIGHTING SYSTEMS - UL 1574 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTR

23、IBUTION WITHOUT PERMISSION FROM UL TRACK NETWORKS 56 Security of Knockout Test 64 57 Mold Stress Relief Distortion Test .64 58 Insulation Resistance Test 65 59 Adaptor Overload Test .65 60 Adaptor Tests .66 60.1 Strength of adaptor 66 60.2 Adaptor moment 66 61 Polymeric Enclosure Impact Tests 68 61.

24、1 General .68 61.2 Drop impact test 68 61.3 Ball impact test .69 62 Conductor Displacement Tests .70 62.1 General .70 62.2 Horizontal conductor displacement test 70 62.3 Vertical conductor displacement test .70 63 Field Track Cutting Test .70 64 Track Clip Securement Test 71 65 Pendant-Mounted Track

25、 Torque Test 71 66 Strength of Luminaire Assembly Test 72 67 Pendant-Mounted Track/Connector Strength Test .73 68 Track Rigidity Test .75 69 Mechanical Means of Polarity Test 75 70 Field Drilling Test 76 71 Direct-Current Bus Bar or Conductor Resistance Test .76 LUMINAIRES 72 Strain Relief Test Cord

26、-Pendant Luminaire Head .77 73 Strain Relief Test Lamp-Supported Lampholders and Exposed Wires or Cords 78 73.1 General .78 73.2 Lamp-supported lampholder and exposed wires or cords .78 73.3 Exposed wires or cords used to limit luminaire motion .78 74 Glass Thermal Shock/Containment Test .79 74.1 Ge

27、neral .79 74.2 Test method 79 75 Polymeric Lamp Containment Barrier 79 75.1 General .79 75.2 Test method 80 FITTINGS 76 Hook Test .80 MANUFACTURING AND PRODUCTION LINE TESTS 77 Production-Line Dielectric Voltage-Withstand Test 81 RATINGS 78 General 81 SEPTEMBER 7, 2004 TRACK LIGHTING SYSTEMS - UL 15

28、74 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARKING GENERAL 79 Markings .82 TRACK NETWORKS 80 Track 83 80.1 General .83 80.2 Clip-mounted track 83 80.3 Non-pendant track .83 80.4 Recessed track .83 80.5 Recessed track for recessed lu

29、minaire assemblies 84 81 Intercept Connectors 84 82 Feed Connectors 84 LUMINAIRE 83 Luminaire Assemblies .86 INSTRUCTIONS 84 Installation Instructions 87 84.1 General .87 84.2 Track 87 85 Feed Connectors .89 86 Connectors, Luminaire Assemblies, and Miscellaneous Electrical Fittings 90 87 Important S

30、afety Instructions 90 APPENDIX A Standards for ComponentsA1 SEPTEMBER 7, 2004 TRACK LIGHTING SYSTEMS - UL 1574 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover track lighting systems intended

31、 for permanent connection to sources of supply in commercial or residential ordinary locations in accordance with the National Electrical Code, NFPA 70. The track lighting systems covered by this standard are rated: a) 300 volts or less; b) 150 volts or less to ground; and c) 50 amperes or less. 1.2

32、 Lighting track is intended to be permanently installed and permanently connected to a branch circuit not exceeding 277 volts, nominal to ground, and 50 amperes. 1.3 These requirements cover: a) Track networks consisting of track and connectors; b) Mono-, duo-, and multi-point canopies; c) Incandesc

33、ent, uorescent, and high intensity discharge (HID) luminaire assemblies intended to be electrically connected to and physically supported by the track in track networks and canopies; d) Mounting means for the track; and e) Accessories. 1.4 These requirements do not cover: a) Busways intended for lig

34、hting, receptacles, or other general-purpose adaptors covered by the Standard for Busways, UL 857, and intended for use in accordance with Article 364 of the National Electrical Code, NFPA 70; or b) Track lighting systems for marine use aboard a ship or boat. 1.5 Track lighting systems are not inten

35、ded for use: a) In wet or damp locations; b) In installations where the track is concealed; c) In hazardous locations; d) Where subject to physical damage; e) Where the track is extended through walls or partitions of building structures; f) Where subject to corrosive vapors; or SEPTEMBER 7, 2004 TR

36、ACK LIGHTING SYSTEMS - UL 1574 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL g) In storage battery rooms. 1.6 A track lighting luminaire assembly that uses a tungsten-halogen lamp, uorescent lamp, or high-intensity-discharge lamp shall al

37、so comply with the applicable requirements from the Standard for Luminaires, UL 1598. 1.7 Light emitting diode (LED) components and subassemblies integral to lighting track or a luminaire assembly covered by this standard shall comply with the applicable requirements of the Standard for Light Emitti

38、ng Diode (LED) Equipment for Use in Lighting Products, UL 8750. 1.7 added January 25, 2012 2 Units of Measurement 2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 2.2 Unless indicated otherwise, all voltage and current value

39、s mentioned in this standard are root mean square (rms). 3 Glossary 3.1 For the purpose of this standard, the following denitions apply. Some terms unique to track systems are illustrated in Figure 3.1. This is generated text for gtxt. JANUARY 25, 2012 TRACK LIGHTING SYSTEMS - UL 1574 8UL COPYRIGHTE

40、D MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Figure 3.1 Electrical ttings in a typical track system 1 Canopy (see 3.6) 6 Straight intercept connector (see 3.23) 13 Luminaire head (see 3.31) 1A Mono- or duo-point canopy (see 3.7) 7 Floating feed connec

41、tor (see 3.21) 14 Luminaire assembly (see 3.30) 1B Multi-point canopy (see 3.8) 8 Canopy for oating feed connector (see 3.6) 15 T-shaped intercept connector (see 3.23) 2 End feed connector (see 3.18) 9 X-shaped intercept connector (see 3.23) 16 End cap (see 3.17) 3 Track (see 3.46) 10 L-shaped inter

42、cept connector (see 3.23) 17 Adjustable intercept connector (see 3.23) 4 Bus bar support mounted inside track section (see 3.5) 11 Power pack (see 3.37) 18 Center feed connector (see 3.9) 5 Bus bars mounted inside bus bar support (see 3.4) 12 Adaptor (see 3.3 and 3.30) SEPTEMBER 7, 2004 TRACK LIGHTI

43、NG SYSTEMS - UL 1574 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3.2 ACCESSORY An attachment (such as a shutter, barn door assembly, or iris) provided by the manufacturer for connection to a luminaire assembly. 3.3 ADAPTOR A component o

44、f a luminaire assembly intended to mate with a track and provide mechanical securement and electrical connection. 3.4 BUS BAR A conductor electrically connected to the source of supply and physically located inside a track (conductors in connectors are considered internal wiring). The bus bar provid

45、es power supply connection for luminaire assemblies along the length of the track. 3.5 BUS BAR SUPPORT An insert, usually made of a polymeric material, that runs the length of a section of track and serves to support the bus bars and to isolate them while providing an opening that makes electrical c

46、ontact between the bus bars and an adaptor possible. 3.6 CANOPY A cover, either provided integral with or separate from a feed connector, that is intended to cover the outlet box by securing to the outlet box feed connector or directly to the ceiling. 3.7 CANOPY, MONO- OR DUO-POINT A canopy which mo

47、unts directly over an outlet box and is provided with a section of track that can accept one or two luminaire assemblies at a time. A mono- or duo-point canopy is constructed such that additional lengths of track cannot be mechanically or electrically connected to the canopy. 3.8 CANOPY, MULTI-POINT

48、 A canopy which mounts directly over an outlet box and is provided with a section of track that can accept more than one luminaire assembly at a time. A multi-point canopy is constructed such that additional lengths of track cannot be mechanically or electrically connected to the canopy. 3.9 CENTER

49、FEED CONNECTOR An intercept connector provided with means for connection between two sections of track and to a source of supply. 3.10 CLASS 2 CIRCUIT A low-voltage circuit supplied by: a) A transformer that complies with the Standard for Low Voltage Transformers Part 3: Class 2 and Class 3 Transformers, UL 5085-3; or b) A power supply that complies with the Class 2 requirements in the Standard for Class 2 Power Units, UL 1310. 3.10 revis