UL SUBJECT 2273-2004 Outline of Investigation for Festoon Cable (Issue 1)《垂挂电缆调查大纲 发布编号 1》.pdf

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1、June 3, 20041SUBJECT 2273OUTLINE OF INVESTIGATIONFORFESTOON CABLEIssue Number: 1June 3, 2004Summary of TopicsThis outline is being issued to state the product description, ratings, andtest program for festoon cable.The UL Foreword is no longer located within the UL Standard. For informationconcernin

2、g the use and application of the requirements contained in thisStandard, the current version of the UL Foreword is located onULStandardsInfoNet at: http:/ 2004 UNDERWRITERS LABORATORIES INC.JUNE 3, 2004SUBJECT 22732No Text on This PageCONTENTSINTRODUCTION1 Scope .5CONSTRUCTION2 Conductors .53 Insula

3、tion 54 Overall Jacket 5MARKINGS5 On the Cable .66 On the Tag, Reel, or Carton 6TEST PROGRAM7 Details .6JUNE 3, 2004 SUBJECT 2273 3This page intentionally left blank.JUNE 3, 2004SUBJECT 22734INTRODUCTION1 Scope1.1 This Outline covers single-conductor and flat, parallel or round multiple-conductor fe

4、stoon cables witha non-integral jacket. These cables are for use in crane and hoist electrification systems as described inArticle 610 and other applicable parts of the National Electrical Code (NEC), NFPA 70.CONSTRUCTION2 Conductors2.1 The cable shall contain one or more identical insulated 18 4/0

5、AWG copper conductors consistingof strands no larger that 24 AWG. The conductors in a round multiple-conductor cable shall be twistedtogether.3 Insulation3.1 Each conductor shall be covered with insulation of a material applicable for 600 volts and a maximumdry temperature rating of 60, 75, 90, or 1

6、05C. For outdoor cable, the insulation shall also be applicablefor a maximum wet temperature rating of 60, 75, or 90C. The average and point thicknesses of theinsulation shall not be less than indicated in Table 3.1.Table 3.1Thicknesses of insulation and overall non-integral jacketAWG size ofconduct

7、orsMinimumaverage thickness, milsMinimum thicknessat any point, milsInsulation Jacket Insulation Jacket1803030272445304126 2 60 45 54 361 4/0 78 60 70 484 Overall Jacket4.1 The average and point thicknesses of the overall jacket shall not be less than indicated in Table 3.1.JUNE 3, 2004 SUBJECT 2273

8、 5MARKINGS5 On the Cable5.1 The surface markings shall be as follows:a) Identification of the organization responsible for the product.b) Festoon Cable.c) The number and AWG size of the conductors.d) The dry temperature rating if higher than 60C.e) The wet temperature rating if the cable is marked f

9、or use outdoors.f) 600 V or 600 volts.g) Outdoor or Outdoor Use provided that the insulated conductors are wet-rated and thejacketing compound complies with a 720-h sunlight resistance test.h) Oil Resistant 60C or Oil Resistant 75C if applicable.6 On the Tag, Reel, or Carton6.1 The tag markings shal

10、l be as follows:a) h) Same as the surface markings a) g).i) The date of manufacture by month and year.j) For use in a festoon system where protected from mechanical damage.TEST PROGRAM7 Details7.1 DETAILED EXAMINATION.7.2 PHYSICAL PROPERTIES Values for the insulation and jacketing materials as state

11、d in theapplicable table in Section 50 of UL 1581.7.3 LONG-TERM INSULATION RESISTANCE IN WATER (required for outdoor cable) Method andrequirements per UL 83.7.4 SUNLIGHT RESISTANCE (required for outdoor cable) 80 percent retention per UL 62 after 720hours of conditioning per Section 1200 of UL 1581.

12、JUNE 3, 2004SUBJECT 227367.5 COLD BEND AT 20C FOR INDOOR CABLE, 40C FOR OUTDOOR CABLE Requirements perUL 62. Method per Section 580 of UL 1581.7.6 D-C RESISTANCE OF NON-INTEGRAL JACKET Requirements per UL 62. Method per paragraph1340.1 of UL 1581.7.7 OIL RESISTANCE (optional) Values for 60C or 75C oil resistance of the jacket material asspecified in Table 50.156 of UL 1581 (regardless of material).7.8 HORIZONTAL FLAME TEST Requirements and method per Section 1100 of UL 1581.JUNE 3, 2004 SUBJECT 2273 7JUNE 3, 2004SUBJECT 22738No Text on This Page