UL SUBJECT 2276-2018 UL Outline of Investigation for Recreational Vehicle Cable (Issue 4).pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMARCH 9, 20181UL 2276Outline of Investigation for Recreational Vehicle CableIssue Number: 4March 9, 2018Summary of TopicsThis Fourth issue of Outline of Investigation for Recreational VehicleCabl

2、e, UL 2276, is being issued to add types TWP and GPT, to add 24 and22 AWG conductor sizes, and to make editorial corrections to the Outline.ULs Outlines of Investigation are copyrighted by UL LLC. Neither a printed norelectronic copy of an Outline of Investigation should be altered in any way. All o

3、fULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusive property of ULLLC.COPYRIGHT 2018 UL LLCUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMARCH

4、 9, 2018UL 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 Jacket Multiple-Conductor NEC Cables .6MARKI

5、NGS7 On the Cable .68 On the Tag, Reel, or Carton 6TEST PROGRAM9 Details .7MARCH 9, 2018 UL 2276 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This Outline covers single-conductor, multiple-conductor, and jacketed fla

6、t 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 Undated References2.1 Any undated reference to

7、 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-conductor parallel insulated copperconductor(s) wit

8、hout 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 cable shall use stranded conductors.3.2 SAE CABLE

9、S 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, AWG 24 22 20 18 16 14 12 10 8 6 4CMA for SAEconductors

10、405 681 1072 1537 2336 3702 5833 9343 14810 25910 CMA for NECconductors 1030 1620 2580 4110 6530 10380 16510 26240 41740MARCH 9, 2018UL 22764UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5 Insulation5.1 NEC CABLES The conductor(s) shall be u

11、nmarked, 144AWGTypes 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 TypesConductor type Reference standardFEP, FEP

12、B UL 83AMTW UL 1063PFA, PFAH UL 83ARHH, RHW-2 UL 44SA UL 44TFE UL 83ATHHN, THHW, THW-2, THWN-2 UL 83USE-2 UL 854XHH, XHHW, XHHW-2 UL 854Z, ZW, ZW-2 UL 83AThe Standard for Thermoset-Insulated Wires and Cables, UL 44The Standard for Thermoplastic-Insulated Wires and Cables, UL 83The Standard for Fluor

13、opolymer Insulated Wire, UL 83AThe Standard for Service Entrance Cables, UL 854The Standard for Machine-Tool Wires and Cables, UL 10635.2 SAE CABLES The conductor shall be 208AWGType HDT, GXL, GPT or SXL, or 248AWGType TXL or TWP complying with the Society of Automotive Engineers Surface Vehicle Sta

14、ndard for LowTension Primary Cable, SAE J1128, including average and point thicknesses of insulation no thinner thanindicated in Table 5.2 or shall be 6 AWG Type SGR or SGT complying with the Society of AutomotiveEngineers Surface Vehicle Standard for Battery Cable, SAE J1127, including an average t

15、hickness ofinsulation no thinner than 60 mils and a thickness at any point of the insulation no thinner than 42 mils.Table 5.2Minimum insulation thicknesses for SAE Types HDT, GXL, GPT, SXL, TWP, and TXLAWG sizeofconductorMinimum averagethickness, milsMinimum thicknessat any point, milsType HDTType

16、GXL,GPTType SXLType TXL,TWPType HDTType GXL,GPTType SXLType TXL,TWP2416120 36 23 29 16 25 16 20 1118 37 23 30 16 26 16 21 1116 40 23 32 16 28 16 22 1114 41 23 35 16 29 16 25 1112 46 26 37 18 32 18 26 1310 46 31 41 20 32 22 29 148 5537432239263015MARCH 9, 2018 UL 2276 5UL COPYRIGHTED MATERIAL NOT AUT

17、HORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL6 Overall Jacket Multiple-Conductor NEC Cables6.1 The minimum average thickness shall not be less than 30 mils. The minimum thickness at any pointshall not be less than 24 mils.MARKINGS7 On the Cable7.1 The surface markings sh

18、all be as follows:a) NEC AND SAE CABLES: Identification of the organization responsible for the product.b) NEC CABLES: RV Cable with the number and AWG size of the conductors (the number ofconductors is not required for a single-conductor cable).c) SAE CABLES: The SAE type and the AWG size of the co

19、nductor.d) NEC AND SAE CABLES: The temperature rating(s) (wet and dry) in degrees C.e) NEC CABLES: Low Voltage.f) NEC CABLES: Outdoor if the conductor(s) are wet-rated and the single-conductorinsulation on a non-jacketed construction or the multiple-conductor jacket complies with a 720-hsunlight res

20、istance test.g) NEC CABLES: Oil Resistant 60C or Oil Resistant 75C if applicable.8 On the Tag, Reel, or Carton8.1 The tag markings shall be as follows:a) g) Same as surface markings in 7.1 (a) (g).h) NEC AND SAE CABLES: The date of manufacture by month and year.i) NEC CABLES: The insulation thicknes

21、s.MARCH 9, 2018UL 22766UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTEST PROGRAM9 Details9.1 SAE CABLES As specified in the applicable SAE Standard: the Society of Automotive EngineersSurface Vehicle Standard for Battery Cable, SAE J1127 or

22、 the Society of Automotive Engineers SurfaceVehicle Standard for Low Tension Primary Cable, SAE J1128.9.2 NEC CABLES Insulated conductors shall comply with the requirements for the particular conductortype as indicated in Table 5.1.9.3 AVERAGE AND POINT THICKNESSES OF OVERALL JACKET ON MULTIPLE-COND

23、UCTOR NECCABLES Values per 6.1 when determined in accordance with the Thickness test in the Standard forWire and Cable Test Methods, UL 2556.9.4 PHYSICAL PROPERTIES OF OVERALL JACKET ON MULTIPLE-CONDUCTOR NEC CABLES Values for the material as specified in the Standard for Flexible Cords and Cables,

24、UL 62, for the drytemperature rating of the conductors.9.5 CABLE FLAME TEST FOR NEC CABLES Requirements and method as described in Cable FlameTest, Section 1061 of the Reference Standard for Electrical Wires, Cables, and Flexible Cords, UL 1581.Flat cable is to be tested with the gas flame applied t

25、o the center of a flat face of the cable.9.6 SUNLIGHT RESISTANCE TEST FOR NEC CABLES (OPTIONAL) Minimum eighty percentretention of tensile strength and elongation after 720 hours of conditioning of the insulation onsingle-conductor cable or of the jacket on multiple-conductor cable when tested in ac

26、cordance with theWeather (sunlight) resistance test in the Standard for Wire and Cable Test Methods, UL 2556.9.7 OIL RESISTANCE OF SINGLE- AND MULTIPLE-CONDUCTOR NEC CABLES (OPTIONAL) Values for 60C or 75C oil resistance of the insulation on single-conductor cable or of the jacket onmultiple-conductor cable. Method and requirements as specified in the Standard for Flexible Cords andCables, UL 62.MARCH 9, 2018 UL 2276 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMARCH 9, 2018UL 22768No Text on This Page