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[問題求助] 急求ul2990的性能參數(shù),導線結(jié)構(gòu)

P:2007-10-19 14:16:57

1

在線等答案,很急,謝謝大家了

customary cable - 常用電纜 (0) 投訴

P:2007-10-19 14:29:56

2

UNDERWRITERS LABORATORIES INC.              APPLIANCE WIRING MATERIAL

Subj. 758     Section 2     Page 2990        Issued:  1979-04-11
                                Revised:  2003-03-20

 

Style 2990    Electronic Cable.

______________________________________________________________________________

 

Rating     80°C, 30 V.

______________________________________________________________________________

 

Insulated     No. 40 AWG minimum.  Labeled or complying with

Conductors    Manufacturer's AWM Procedure having a minimum rating of

           80°C.

______________________________________________________________________________

 

Assembly      Consists of two or more conductors, twisted pairs or

           groups of twisted conductors twisted together.  The

           conductors or groups of conductors may be laid parallel

           forming a flat, oval or round cable.  The lay of the

           conductors is not specified.  A barrier layer and/or fillers

           are optional. ______________________________________________________________________________

 

Covering      (Optional)  A 6 mil or heavier PVC covering may extruded

           over the conductor assembly.

______________________________________________________________________________

 

Shield     Optional.

______________________________________________________________________________

 

Jacket     PVC - Class 43

 

                     THICKNESS (mils)

 

             #Dia. of Cable                 Minimum

              Under Jacket       Minimum        at any

               in Inches          Average         point 

 

              0.700 or less      30         24

 

           # - Major dia if cable is flat or oval.

______________________________________________________________________________

                            (Continued on Page 2990A)


 

UNDERWRITERS LABORATORIES INC.              APPLIANCE WIRING MATERIAL

Subj. 758     Section 2     Page 2990A       Issued:  1979-04-11
                                Revised:  2003-03-20

 

Standard      Appliance Wiring Material UL 758.

______________________________________________________________________________

 

Instructions  Detailed Examination.

to UL

Representative    The designation of all Styles of the individual conductors

           used making up the cable assembly shall be available, and

           the UL Representative's tag shall indicate if the Style

           is labeled or not.  If they are not labeled, the

           appropriate Follow-Up Tests shall be conducted.

______________________________________________________________________________

 

UL         (4)  Detailed Examination.

Counter-Check (4)  Flexing.

*Program      (12) Cable Flame Test on Completed Cable.

 

           If the insulated Styles are not labeled, the appropriate

           Follow-Up Tests shall be conducted.

______________________________________________________________________________

 

Marking       General.

 

           "Low voltage computer cable" may be printed on jacket

           surface.

______________________________________________________________________________

 

Use       Internal Wiring or External Interconnection of Electronic

           Equipment, class 2 circuits only.

 

roller hearth furnace - 轉(zhuǎn)輥爐膛式退火爐 (0) 投訴

P:2007-10-19 14:40:29

3

38+1d對

OLT - optical line terminal光線路終端 (0) 投訴

P:2007-10-19 15:07:56

4

樓主做的是不是IEEE 1284線材?

single wheel haul-off - 單輪牽引裝置 (0) 投訴

P:2007-10-19 16:38:31

5

對的 你那有這方面的材料么?

VLF cable test set - 甚低頻電纜試驗設(shè)備 (0) 投訴

P:2007-10-19 18:16:16

6

只有惠盈的測試規(guī)范



SV - 表示真空吸塵器(Vacuum-Cleaner)用線。以橡膠絕緣橡膠被覆,導線芯數(shù)為2 芯,使用電壓 300V 導線尺寸范圍為 AWG#18~AWG#17,溫度 60℃。 (0) 投訴

P:2007-10-19 18:34:47

7

我現(xiàn)在是想做那種線

optical soliton transmission - 光孤子傳輸 (0) 投訴

P:2007-10-21 16:31:21

8

繼續(xù)征求 UL2900線的結(jié)構(gòu)

die sleeve - 模套(拉線模的) (0) 投訴

P:2007-10-22 09:25:59

9

yun,什么都沒有呢,你也學習

appendix - 附頁 (0) 投訴

P:2007-10-22 10:19:38

10

謝謝tanhy,請問那位有38P+1P的結(jié)構(gòu)及電氣性能。急需

stripper pad - 脫料背板 (0) 投訴

P:2007-10-22 10:20:31

11

2L不是給答案了嗎

color chain - 彩色通道 (0) 投訴

P:2007-10-23 12:41:12

12

繼續(xù)征求ul2900 38+1P 線的物理結(jié)構(gòu)和電氣性能,很需要

radiation resistance - 耐輻射,耐輻射性,抗輻射 (0) 投訴

12


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