1、UL 864ISBN 0-7629-0795-9Control Units and Accessoriesfor Fire Alarm SystemsUnderwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standard for Safety for Control Units and Accessories for Fire Alarm Systems, UL 864Ninth Edition, Dated September 30, 2003Revisions: This Stand
2、ard contains revisions through and including May 29, 2007.Summary of TopicsThe revisions dated May 29, 2007 were issued to postpone the effective date, for the clausesindicated in this standard, until December 31, 2008.UL Standards for Safety are developed and maintained in the Standard Generalized
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4、se note thatadditional pages (on which no requirements have been changed) may be included in revision pages dueto relocation of existing text and reformatting of the Standard.Text that has been changed in any manner is marked with a vertical line in the margin. Changes inrequirements are marked with
5、 a vertical line in the margin and are followed by an effective date noteindicating the date of publication or the date on which the changed requirement becomes effective.The following table lists the future effective dates with the corresponding item.Future Effective Date ReferencesDecember 31, 200
6、8 Paragraphs 1.1, 3.46, 5.5, 6.3.1, 9.5, 11.3.2.4, 12.1.3, 12.2.4,14.4, 21.1, 22.4.1 22.4.3, 23.2.1 23.2.7, 23.3.1, 23.3.2,33.1.2, 33.1.3, 33.2.2 33.2.4, 33.3.2, 33.3.4 (a) and (d),33.3.7, 33.5.1, 34.1.3 34.1.5, 34.2.1.1, 34.2.2.1, 34.3.4 34.3.7, 36.1.2, 36.1.8 36.1.11, 36.2.3 36.2.8(a), 36.2.10,36.
7、3.1, 36.3.5, 36.3.7, 36.4.2, 38.1.2, 38.1.3, 38.3.1, 38.4.1 38.4.3, 38.5.2, 38.5.4, 38.5.5, 39.2.10, 39.2.11, 39.3.2, 39.3.4,40.1.2 40.1.6, 40.2.7, 40.3.2.8 40.3.2.14, 40.3.4.1, 40.3.5.1 40.3.5.5, 40.3.6.1, 40.3.6.2, 40.4.1 40.4.7, 40.5.1 40.5.12, 40.7.1, 42.1.2, 42.1.3, 42.3.3, 42.3.4, 45.1.2, 45.2
8、.2,45.3.2(a), 45.3.3, 45.4.1, 47.1, 48.6, 49.2, 49.3, 50.1.1, 50.1.4,50.2.1 50.2.4, 50.3.1 50.3.5, 51.1.3, 51.1.4, 51.2.1, 51.3.1 51.3.3, 51.4.1 51.4.3, 51.5.5, 51.5.7, 51.5.10, 51.5.11,51.5.12, 51.6.1 51.6.5, 52.5(a), 52.6, 53.2, Exception No. 2of 53.5, 53.7, 55.2.1, 55.2.6, 55.3.1, 55.3.2, 55.4.1
9、55.4.3,55.5.1 55.5.3, 55.6.1 55.6.4, 55.7.1, 55.7.2, 61.2.1.1,61.2.2.1 61.2.2.5, 61.2.3.1 61.2.3.4, 61.4.1, 61.4.2,61.5.1.1, 61.5.1.2, 61.5.2.1 61.5.2.3, 61.5.3.1 61.5.3.6,61.5.4.1 61.5.4.4, 61.5.5.1, 61.5.5.2, 62.15, 63.2.4, 63.2.5,65.3.5, 71.1.1, 71.1.2, 71.3.1, 75.4.1 75.4.4, 89.1.1, 89.1.4,89.1.
10、7, 89.1.9, 89.1.11, 89.1.13, 90.4, 90.6, 90.7, 90.10, 90.23;Sections 26 29, 44, 46, 54, 56 59, 64, 78 86; Tables51.1 51.3, 61.1 61.5; and Figure 49.1The revisions dated May 29, 2007 include a reprinted title page (page1) for this Standard.MAY 29, 2007 UL 864 tr1As indicated on the title page (page 1
11、), this UL Standard for Safety is an American National Standard.Attention is directed to the note on the title page of this Standard outlining the procedures to be followedto retain the approved text of this ANSI/UL Standard.As indicated on the title page (page1), this UL Standard for Safety has bee
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30、 writing.Copyright 2007 Underwriters Laboratories Inc.MAY 29, 2007 UL 864 tr3This Standard consists of pages dated as shown in the following checklist:Page Date1.May29,20072-4.July 14, 20055.September 30, 20036.June 8, 20057-9.September 30, 200310.June 8, 200511 .May29,200712-15.September 30, 200316
31、 .May29,200717-20.September 30, 200321 .May29,200722-24.September 30, 200325 .May29,200726-34.September 30, 200335 .May29,200736-39.September 30, 200340 .May29,200741 .September 30, 200342 .May29,200743-44B .July 14, 200545-47.September 30, 200348 .May29,200749-50.September 30, 200351.July 14, 20055
32、2 .May29,200752A-52B .July 14, 200553-55.May29,200756-59.September 30, 200360-62.May29,200763-64B .July 14, 200565-79.May29,200780 .September 30, 200381-84.May29,200785-86.September 30, 200387.March 31, 200688-89.May29,200790 .September 30, 200391-103 .May29,2007104 .September 30, 2003105-112 .May29
33、,2007113 .September 30, 2003114-128 .May29,2007129 .September 30, 2003130-137 .May29,2007138-139 .September 30, 2003140-149 .May29,2007150-155 .September 30, 2003156-157.July 14, 2005158 .September 30, 2003MAY 29, 2007 UL 864tr4159-161 .May29,2007162-163 .September 30, 2003164 .May29,2007165-172 .September 30, 2003173.July 14, 2005174 .May29,2007175-184 .September 30, 2003185-186 .May29,2007187.July 14, 2005188-190 .September 30, 2003191-217 .May29,2007218-218B .July 14, 2005219 .September 30, 2003220-221 .May29,2007222-222B .July 14, 2005223-224 .
