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dalei106 --- 2011-02-08 21:14:49

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刚从事这个行业,看到UL3321电线,不懂什么意思,好心人能解释下吗?到底这个UL3321是什么意思啊?
koulf --- 2011-03-23 14:25:50

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UNDERWRITERS LABORATORIESAPPLIANCE WIRING MATERIAL
Subj.758Section 3Page 3321Issued:1977-05-25
Revised:2008-05-27
Style 3321Insulated Wire

Rating150 deg C, 600 Vac, 750 Vdc, Horizontal flame.
Conductor30 AWG - 4/0 AWG solid or stranded round, tinned or bare copper.
InsulationXLPE
30-9 AWG conductor size30 mils min average27 mils minimum at any point
8-4 AWG45 avg40 min
2 AWG60 avg54 min
1-4/0 AWG80 avg72 min
CoveringOptional-treated or untreated braid.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal wiring of appliances.
只说2遍 --- 2011-03-24 16:41:32

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jacksdu --- 2011-04-01 10:50:05

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a0811bin --- 2011-04-05 22:03:00

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UNDERWRITERS LABORATORIES, INC.                       APPLIANCE WIRING MATERIAL

Subj. 758         Section 3      Page 3321        Issued:  May 25, 1977

                                                     Revised:  April 10, 2001

 

*Style 3321        Irradiated or Cross-Linked Polyolefin Insulated Wire.

______________________________________________________________________________

 

Rating             150°C, 600 V ac, 750 V dc.

______________________________________________________________________________

 

Conductor          Nos. 30/4/0 AWG inclusive, tinned or untinned solid or

                   stranded copper.

______________________________________________________________________________

 

Insulation                                        Min Average

                   Conductor               Insulation Thickness,

                       AWG                        in

                   _________               _____________________

 

                   30 - 9                           0.030

                    8 - 4                     0.045

                    2                               0.060

                    1 - 4/0                         0.080

 

*                  Thermosetting, Irradiated or cross-linked Polyolefin,

                   suitable for use at 150°C in air.  See facing page for      

                   compound designation.

______________________________________________________________________________

 

Covering           Optional - treated or untreated braid

______________________________________________________________________________

 

Standard           Appliance Wiring Material UL 758.

______________________________________________________________________________

 

Instructions       Detailed Examination.

to UL              Tensile strength and elongation of insulation unaged.

*Representative       See Facing Page, if not specified, Class 43.

                   Spark Test

 

                   30 - 24 AWG             4,000 V

                   22 - 20 AWG             5,000 V

                   19 -  9 AWG              6,000 V

                    8 -  2 AWG              10,000 V

                    1 - 4/0 AWG      12,500 V

______________________________________________________________________________

                                                     (Continued on Page 3321A)


UNDERWRITERS LABORATORIES, INC.               APPLIANCE WIRING MATERIAL

Subj. 758   Section 3        Page 3321A             Issued:  May 25, 1977

                                                 Revised:  April 10, 2001

 

UL                  (4) Detailed Examination.

Counter-Check       (4) Tensile strength and elongation, see Facing Page,

*Program               if not specified.  (7 days at 180°C) Class 43.

                   (4) Heat Shock, (at 180°C)

                   (4) Deformation (at 180°C)

                   (4) Cold Bend Test

                   (4) Horizontal Flame Test

______________________________________________________________________________

 

Marking            General.

______________________________________________________________________________

 

Use                Internal Wiring of Appliances

 

 

zhufeng77 --- 2011-04-07 19:28:52

6

说简单点就是耐温150℃,耐压600V的电线
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