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[問(wèn)題求助] 請(qǐng)問(wèn)各位專(zhuān)家:awm2919是什么樣的一種線呀?

P:2007-12-24 12:10:43

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溫度,額定壓力,導(dǎo)體尺寸和材料,絕緣層材料和厚度,鎧裝材料和厚度(如有),對(duì)屏蔽或外護(hù)套的描述,所需的標(biāo)志以及對(duì)其適用范圍的敘述。

里面的芯線與普通的高溫線AF-1相比,有什么不同嗎?能否用高溫線外加屏蔽網(wǎng)來(lái)代替?

[awm2919 在 2007-12-24 12:13:04 編輯過(guò)]

serving jute - (電纜)黃麻被覆層,黃麻外護(hù)層 (0) 投訴

P:2007-12-24 12:50:07

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UNDERWRITERS LABORATORIES INC.               APPLIANCE WIRING MATERIAL

Subj. 758       Section 2       Page 2919        Issued:  1978-03-22

                                    Revised:  2005-04-18

 

 

Style 2919

 

Low Voltage Computer Cable.

 

 

Rating

 

80°C, 30 Volts.

 

 

 

Insulated Conductors

 

 

No. 40 AWG minimum.  Labeled or complying with Manufacturer’s AWM Procedure having a minimum rating of 80°C, 30 V.

 

 

 

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.  Manufacturer shall maintain a complete description of each assembly.  May use same or mixed AWG size.

 

 

 

Covering

 

(Optional) - A 6 mil or heavier PVC covering may be extruded over the conductor assembly.

 

 

 

Shield

 

Optional.

 

 

 

Jacket

 

PVC - Class 43

 

                   THICKNESS (MILS)

 

#Dia of cable

under jacket         Minimum            Minimum

in inches            Average          at any point

 

0.425 or less            30                24

0.426 - 0.700            45                36

0.701 - 1.000            60                48

1.000 - 1.500            80                64

1.501 - 2.500           110                88

2.501 and larger        140               112

 

# - Major dia if cable is flat or oval.

 

 

 

Braid

 

Optional.

 

 

 

Standard       

 

Appliance Wiring Material UL 758.

                                (Continued on Page 2919A)
UNDERWRITERS LABORATORIES INC.               APPLIANCE WIRING MATERIAL

Subj. 758       Section 2       Page 2919A       Issued:  1978-03-22

                                    Revised:  2003-02-17

 

 

 

Instructions

to UL

Representative

 

Detailed Examination.

Tensile Strength and Elongation of Jacket.

 

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

Counter-Check

Program

 

 

*

 

(4)  Detailed Examination.

(4)  Tensile Strength and Elongation of Jacket.

(4)  Heat Shock on Jacket.

(4)  Deformation on Jacket.

(4)  Cold Bend on Completed Cable.

(12) Cable Flame Test on Completed Cable.

 

If the insulated Styles are not labeled, the appropriate Follow-Up Tests shall be conducted.

 

 

 

Marking

 

General.

 

 

 

Use

 

As internal wiring or external interconnection in Class 2 Circuits of electronic computers and electric business machines.

 

 

 

 

purple brass - 紫黃銅,紫銅 (0) 投訴

P:2007-12-24 22:54:25

3

電腦周邊線,型號(hào)很多。

polymerization reaction - 聚合反應(yīng) (0) 投訴

P:2007-12-25 11:45:24

4

沒(méi)有什么特別的,就是一款外觀要求比較好的屏蔽線材,外被那么厚,押出很不錯(cuò)的。

paper tape Tempmaster - 紙帶張力 (0) 投訴

P:2007-12-25 17:06:55

5

就是RGB 的一種,發(fā)泡是28AWG的,有中被。射線為26AWG,通常有6,7,8,9條。外被一般是7.4mm左右.

UV curable resin coated fiber - 紫外固化樹(shù)脂涂覆光纖 (0) 投訴

P:2009-10-30 16:05:40

6

就是低電壓電腦線啊

hybrid cable - 混合電纜(一種多導(dǎo)體[多芯]電纜) (0) 投訴

P:2021-07-03 10:23:59

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RS-485通訊電纜(3x2x24AWG通訊電纜)阻燃 多股銅芯(7/0.20)聚乙烯絕緣聚氯乙烯護(hù)套,鋁塑復(fù)合帶+外鍍錫銅網(wǎng)編織(密度≥80%)鋼絲鎧裝。

optical fiber cabling - 光纖成纜 (0) 投訴

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