1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 542 Fluorescent Lamp StartersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPR
2、ODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Fluorescent Lamp Starters, UL 542 Ninth Edition, Dated July 11, 2005 Summary of Topics: This revision to ANSI/UL 542 is being issued to reect the recent reaffirmation of UL 542 as an American National Standard. No changes
3、 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 by an effective date
4、 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, recording, or other
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7、r 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 (including reasonabl
8、e 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 those paragraphs, sections, tables, gures, and/or other elements of the Standard hav
9、ing 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that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. OCTOBER 30, 2014 UL 542 tr1UL COPYRIGHTE
10、D MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL OCTOBER 30, 2014 UL 542 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 11, 2005 (Title Page Reprinted: October 30, 20
11、14) 1 UL 542 Standard for Fluorescent Lamp Starters The First through Eighth editions were titled the “Standard for Lampholders, Starters, and Starter Holders for Fluorescent Lamps.” First Edition September, 1958 Second Edition March, 1966 Third Edition October, 1969 Fourth Edition June, 1974 Fifth
12、Edition April, 1979 Sixth Edition May, 1985 Seventh Edition September, 1994 Eighth Edition November, 1999 Ninth Edition July 11, 2005 This ANSI/UL Standard for Safety consists of the Ninth Edition including revisions through October 30, 2014. The most recent designation of ANSI/UL 542 as a Reaffirme
13、d American National Standard (ANS) occurred on October 30, 2014. 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 542 on April 26, 1984. The publication of revised pages or a new
14、 edition of this Standard will not invalidate the DoD adoption. 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 Sta
15、ndards for Safety are copyrighted 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 2014 UNDERWRITERS LABORAT
16、ORIES INC. ANSI/UL 542-2005 (R2014)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 11, 2005 FLUORESCENT LAMP STARTERS - UL 542 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT
17、 PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .6 2 Components 6 3 Units of Measurement .6 4 References .6 AUTOMATIC STARTERS CONSTRUCTION 5 General 7 6 Mechanical Assembly .7 7 Enclosure 7 8 Electrical Assembly .8 9 Spacings .8 PERFORMANCE 10 Endurance Test 8 11 Deactivated-Lamp Test .9 12 Diele
18、ctric Voltage-Withstand Test .10 MARKINGS 13 Details .10 MANUAL STARTERS CONSTRUCTION 14 General 10 15 Enclosure 11 15.1 General .11 15.2 Lining .11 15.3 Bushings 12 15.4 Strain relief 12 16 Bases and Bodies 12 17 Sealing 13 18 Live Parts 13 18.1 General .13 18.2 Terminals .13 18.3 Leads .14 19 Actu
19、ating Members .15 20 Assembly 15 JULY 11, 2005 FLUORESCENT LAMP STARTERS - UL 542 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PERFORMANCE 21 General 15 22 Endurance Test 15 23 Dielectric Voltage-Withstand Test .16 RATINGS 24 Details .16
20、 MARKINGS 25 Details .16 MANUFACTURING AND PRODUCTION TESTS 26 Production-Line Dielectric Voltage-Withstand Test 17 MARKINGS 27 All Devices .17 JULY 11, 2005 FLUORESCENT LAMP STARTERS - UL 542 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL
21、 JULY 11, 2005 FLUORESCENT LAMP STARTERS - UL 542 5 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover automatic and manual starters intended for use with uorescent lamps in
22、accordance with the National Electrical Code. Starters for use with simple reactance-type uorescent-lamp ballasts are intended for use in circuits involving a potential of 125 V maximum. Manual starters incorporating a line switch are rated either 125 or 250 V. 2 Components 2.1 Except as indicated i
23、n 2.2, a component of a product covered by this standard shall comply with the requirements for that component. 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
24、 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 Specic components are incomplete in construction features or restricted in performance capabilities. Such components
25、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. 3 Units of Measurement 3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate
26、information. 4 References 4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. JULY 11, 2005 FLUORESCENT LAMP STARTERS - UL 542 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURT
27、HER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL AUTOMATIC STARTERS CONSTRUCTION 5 General 5.1 An automatic starter is a device that completes the circuit through the lamp laments and the ballast when the line switch is closed to energize the circuit, and then opens this circuit automatic
28、ally, after a time delay, to impress voltage across the lamp. 6 Mechanical Assembly 6.1 An automatic starter shall be enclosed so that no live parts are exposed for persons to contact while the starter is installed as intended in a holder, and shall have the strength and rigidity necessary to withst
29、and the abuses to which it is likely to be subjected. 7 Enclosure 7.1 An automatic starter shall be enclosed in a housing that, as measured on the at surface, shall not be less than 0.010 inch (0.25 mm) thick if of steel, not less than 0.015 inch (0.38 mm) thick if of other metal, and not less than
30、1/32 inch (0.8 mm) thick if of phenolic composition. 7.2 An enclosure of iron or steel shall be protected against corrosion. 7.3 A metal enclosure shall be lined with insulating material. Fibrous material shall not be less than 0.008 inch (0.20 mm) thick, and mica shall not be less than 0.004 inch (
31、0.10 mm) thick. Exception: Where permanent spacings of not less than 3/64 inch (1.2 mm) are maintained between uninsulated live parts and a metal enclosure, the liner need not be provided. 7.4 The enclosure may be formed with either: a) One hole not more than 1/8 inch (3.2 mm) in diameter or more th
32、an 1/8 inch wide if slotted, provided that a lining such as described in 7.3 covers the opening, is securely held in place, and extends at least 1/8 inch beyond the edges of the opening on all sides; or b) One hole that is not larger than 1/8 inch in diameter, provided that only a glass-enclosed glo
33、w switch, either with or without a parallel-connected capacitor, is housed. JULY 11, 2005 FLUORESCENT LAMP STARTERS - UL 542 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 8 Electrical Assembly 8.1 A current-carrying part shall be of brass
34、, copper, or other metal acceptable for the particular application. 8.2 The requirement in 8.1 does not preclude the use of iron or steel in bimetallic parts and otherwise if such parts are necessary for the proper operation of an automatic starter in accordance with its intended use. 8.3 An uninsul
35、ated live part shall be permanently mounted and secured in place so that there can be no turning or shifting in position that would result in any reduction of the spacing required in 9.1. 8.4 Phenolic composition or the equivalent not less than 1/32 inch (0.8 mm) thick may be used for the mounting o
36、f live parts; but ber is not acceptable. 9 Spacings 9.1 A spacing of not less than 3/64 inch (1.2 mm) shall be maintained between live parts and a metal enclosure. PERFORMANCE 10 Endurance Test 10.1 An automatic starter shall control a circuit that consists of ballasts and lamps of the type for whic
37、h the starter is intended when subjected to an endurance test of 6000 cycles of operation. 10.2 The lamp and ballast are to have characteristics that result in the preheat current and the ballast output voltage shown in Table 10.1. Table 10.1 Ballast output voltage and preheat current Rating of lamp
38、 in watts Nominal diameter of lamp Nominal length of lamp Minimum output voltage of ballast in volts Minimum and maximum preheat current in amperes Inches (mm) Inches (mm) 4 5/8 (16) 6 (150) 118 0.16 0.25 6 5/8 (16) 9 (230) 118 0.16 0.25 8 5/8 (16) 12 (305) 118 0.16 0.25 14 1-1/2 (38) 15 (380) 118 0
39、.44 0.65 15 1 (25) 18 (460) 118 0.44 0.65 15 1-1/2 (38) 18 (460) 118 0.44 0.65 20 1-1/2 (38) 24 (610) 118 0.44 0.65 22 1-1/8 (29) 8-1/4 a (210) 118 0.50 0.70 25 1-1/2 (38) 33 (840) 118 0.45 0.85 30 1 (25) 36 (915) 200 0.40 0.65 32 1-1/4 (32) 12 a (305) 150 0.55 0.75 40 1-1/2 (38) 48 (1220) 200 0.55
40、0.75 90 2-1/8 (54) 60 (1520) 150 1.45 2.20 a For a circular lamp consider this dimension to be the outside diameter. JULY 11, 2005 FLUORESCENT LAMP STARTERS - UL 542 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 10.3 To determine whether
41、an automatic starter switch complies with the requirement in 10.1, six samples are to be tested with lamps as specied, and using two-lamp, high-power-factor ballasts if commercially available. A starting compensator is to be used if and as specied by the manufacturer of the ballasts. 10.4 During the
42、 endurance test, an automatic arrangement is to be used for opening and closing the line supply switch. In each case, the supply voltage is to be applied for a period of 20 seconds, during which time the automatic starting switch is required to operate successfully. The off period for the line switc
43、h is to be determined from the inherent characteristics of the automatic starter, and is to be long enough to enable the starter to function, but short enough to achieve maximum speed of operation on the endurance test. The off period for the glow type of automatic starter usually is 40 seconds, whe
44、reas other types of construction may require a considerably longer time (in the order of 100 seconds). 10.5 The performance of an automatic starter during the endurance test is determined to be acceptable by observing operation of the six samples for a total of 100 applications of line voltage (star
45、ting attempts) to each starter with the 100 starting attempts being observed in groups of 20 attempts at ve different intervals during the complete test. Normally, the observations are to be made for the rst 20 cycles, the last 20 cycles, and approximately at 1440 1459 cycles, 2880 2899 cycles, and
46、4320 4339 cycles. The performance of a sample is unacceptable if the lamp is not started within a 20-second interval more than ten times for the 100 observations. Overall performance of the starter is acceptable if ve of six samples are found to be acceptable. 11 Deactivated-Lamp Test 11.1 Unless re
47、peated functioning is limited by means of a thermally operated control, automatic cutout, or the like, an automatic starter shall be capable of performing its intended function following 5 hours of continuous operation through the starting cycle in a circuit that simulates a deactivated-lamp conditi
48、on. 11.2 If an automatic starter includes a cutout or similar device to discontinue ickering of a deactivated lamp, this test shall consist of ten periods, of not less than 2 hours each, of operation under simulated deactivated-lamp conditions, conducted in conjunction with the Endurance Test, Secti
49、on 10. 11.3 The ten periods of operation are to be arranged to occur at approximately equally spaced intervals during the Endurance Test. 11.4 The simulated deactivated-lamp condition may be obtained by using unactivated-lament lamps; or it may be obtained by using two lamps with a pair of lampholders wired in the intended manner, with one end of one lamp inserted in one lampholder and one end of the other lamp inserted in the second lampholder, the other ends of the l
