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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

Picofarad - 皮法 (pF) (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.

 

cable with extruded polyethylene insulation - 擠壓聚乙烯絕緣電纜 (0) 投訴

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

3

38+1d對

incompressible - 不可壓縮的 (0) 投訴

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

4

樓主做的是不是IEEE 1284線材?

transfer box - 中間電纜分線箱 (0) 投訴

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

5

對的 你那有這方面的材料么?

manufacturing No. - 出廠編號 (0) 投訴

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

6

只有惠盈的測試規(guī)范



complete plant dispatch list - 成套設(shè)備發(fā)貨單 (0) 投訴

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

7

我現(xiàn)在是想做那種線

termination box - 終端盒,接線盒 (0) 投訴

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

8

繼續(xù)征求 UL2900線的結(jié)構(gòu)

concentric neutral conductor - 同心中線,同心中性線 (0) 投訴

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

9

yun,什么都沒有呢,你也學習

spectrum - 頻譜,光譜;范圍 (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

installed capacity - 安裝容量.安裝功率 (0) 投訴

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

11

2L不是給答案了嗎

DSL - digital subscriber line [100p]數(shù)字用戶線路[環(huán)路] (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

slotted core ribbon cable - 開槽芯帶狀光纜 (0) 投訴

12


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