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你的規(guī)格請重新說明一下好嗎，具體的規(guī)格，要不別人無法幫到你。謝謝

這個線的質量比較差，線上面沒有型號，就是有24股，膠料是黑色的。

FF-192    4*0.75

這種規(guī)格應該算是小電纜，對于高溫線目前沒有國標可以參考，生產廠大多是企標，型號也不相同。

我知道有一種是KTT-500的應該可能適合。

有一種云母電纜也可以滿足要求的

AWM4477/(13AWG*4C)符合你所需要的純種，因為4根0.75的銅線的相當截面積轉換為AWG大概就是：13AWG，而根據AWM4477的STYLE PAGE，這絕對可以符合你據說線種的要求
Subj. 758 Section 4 Page 4477A Issued: April 5, 2000
Revised: Feb. 5, 2001

UNDERWRITERS LABORATORIES, INC. APPLIANCE WIRING MATERIAL
Subj. 758 Section 4 Page 4477 Issued: April 5, 2000
Revised: Feb. 6, 2001
Style 4477 Multi-Conductor Cable.
______________________________________________________________________________
Rating 90°C - 300°C.
______________________________________________________________________________
*Conductors No. 30-9 AWG solid or stranded, tinned or bare copper.
______________________________________________________________________________
Insulation Labeled and/or complying with manufacturer AWM Procedure and
having a minimum rating of 90°C - 300°C.
______________________________________________________________________________
Conductor Two or more individually insulated conductors or groups of
Assembly insulated conductors cabled together. If more than one group
is used, groups shall also be twisted together. The length
of lay of the twisted conductors or groups is not specified.
A barrier layer, if employed, may be a fibrous wrap serving,
or braid; paper; nylon; oriented polyethylene terephthalate;
or a thermoplastic-tape wrap.
______________________________________________________________________________
*Shielding (Optional).
______________________________________________________________________________
Jacket CP Rubber Class 24
Diameter of Average Minimum
Cable Under Thickness Thickness at
Jacket in in Mils - Any Point
Inches Minimum in Mils
0.425 or less 45 36
0.426 - 0.700 60 48
0.701 - 1.500 78 62
1.501 - 2.500 109 88
2.501 and larger 140 112
______________________________________________________________________________
*Standard Appliance Wiring Material UL 758.
______________________________________________________________________________
Instructions Detailed examination of the cable assembly and jacket wall.
to UL Tensile strength and elongation of the jacket, Class 24,
Representative Unaged.
The designations of all styles of individual conductors used
in making up the cable assembly shall be available.
____________________________________________________________________________
UL (4) Detailed examination
Counter-Check (4) Tensile strength and elongation of jacket, Class 24
*Program (4) Cold Bend on completed cable.
* (2) Vertical Flame Test on completed cable.
______________________________________________________________________________
*Marking General.
______________________________________________________________________________
Use Internal Wiring or External Interconnection of Electronic
Equipment.