UL SUBJECT 2276-2014 Outline of Investigation for Recreational Vehicle Cable (Issue 3)《休闲车电缆的调查大纲 (议题3)》.pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 19, 20141UL 2276Outline of Investigation for Recreational Vehicle CableIssue Number: 3August 19, 2014Summary of TopicsThis Third issue of Outline of Investigation for Recreational Vehicle
2、Cable,UL 2276 is being issued to allow different sized conductors to be used inmulti-conductor cables. Updates also include reference to UL 2556 ratherthan UL 1581.ULs Outlines of Investigation are copyrighted by UL. Neither a printed norelectronic copy of an Outline of Investigation should be alter
3、ed in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusive property of UL.COPYRIGHT 2014 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDIS
4、TRIBUTION WITHOUT PERMISSION FROM ULAUGUST 19, 2014UL 22762No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Undated References 4CONSTRUCTION3 Assembly 44 Conductors .45 Insulation 56 Overall J
5、acket Multiple-Conductor NEC Cables .6MARKINGS7 On the Cable .68 On the Tag, Reel, or Carton 6TEST PROGRAM9 Details .7AUGUST 19, 2014 UL 2276 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This Outline covers single-co
6、nductor, multiple-conductor, and jacketed flat parallel, or roundmultiple-conductor recreational vehicle cables. Cables shall be rated 24 volts, 90C or higher for use inlow-voltage circuits as described in the Standard for Low Voltage Systems in Conversion and RecreationalVehicles, ANSI/RVIA 12V.2 U
7、ndated References2.1 Any undated reference to a code or standard appearing in the requirements of this Outline ofInvestigation shall be interpreted as referring to the latest edition of that code or standard.CONSTRUCTION3 Assembly3.1 NEC CABLES The cable shall consist of a single- or multiple-conduc
8、tor parallel insulated copperconductor(s) without a jacket, or of two or more insulated copper conductors of the same type cabledtogether under an overall nonintegral jacket. The cable shall not contain both thermoplastic and thermosetmaterials. Single-conductor and parallel constructions of RV cabl
9、e shall use stranded conductors.3.2 SAE CABLES The cable shall consist of a single insulated copper conductor that is stranded.4 Conductors4.1 Conductors shall be copper and shall conform to the minimum circular mil area shown in Table 4.1.Table 4.1Circular mil area minimum sizesWire size,AWG20 18 1
10、6 14 12 10 8 6 4CMA forSAEconductors1072 1537 2336 3702 5833 9343 14810 25910 37360CMA forAWGconductors1030 1620 2580 4110 6530 10380 16510 26240 41740AUGUST 19, 2014UL 22764UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5 Insulation5.1 NEC C
11、ABLES The conductor(s) shall be unmarked, 14 4 AWG Types complying with theStandard as indicated in Table 5.1 Insulation thickness and material on conductors sized 20 16 AWGshall comply with the requirements specified for 14 AWG conductors in the applicable standard.Table 5.1NEC Conductor TypesCondu
12、ctor type Reference standardFEP, FEPB UL 83MTW UL 1063PFA, PFAH UL 83RHH, RHW-2 UL 44SA UL 44TFE UL 83THHN, THHW, THW-2, THWN-2 UL 83USE-2 UL 854XHH, XHHW, XHHW-2 UL 854Z, ZW, ZW-2 UL 83The Standard for Thermoset-Insulated Wires and Cables, UL 44The Standard for Thermoplastic-Insulated Wires and Cab
13、les, UL 83The Standard for Service Entrance Cables, UL 854The Standard for Machine-Tool Wires and Cables, UL 10635.2 SAE CABLES The conductor shall be 20 8 AWG Type HDT, GXL, SXL, or TXL complying withthe Society of Automotive Engineers Surface Vehicle Standard for Low Tension Primary Cable, SAEJ112
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