lsl 发表于 2008-5-10 00:27

UL20#1007电线要求

请教:
UL20#1007电线有多少根线芯?外径多少?耐温和耐压多少?对电阻有要求吗?

caomeinu 发表于 2008-5-10 07:58

导体用:26/0.16MM,外径:1.8MM,耐温80度300V,电阻有要求的,可以查UL1581

ydk777 发表于 2008-5-10 08:06

看一下这个就明白啦。
Style 1007      Polyvinyl Chloride Insulated Wire.
______________________________________________________________________________

Rating      80C, 300 V.
______________________________________________________________________________

Conductor      32-16 AWG, solid or stranded.
______________________________________________________________________________

Insulation      Polyvinyl Chloride, 15 mils minimum average,
            13 mils minimum at any point, 60 or 80C in oil,
            if applicable.
______________________________________________________________________________

Standard      Appliance Wiring Material UL 758.
______________________________________________________________________________

Instructions    Detailed Examination.
to UL            Physical Properties, Unaged.
Representative    Spark Test.
______________________________________________________________________________

UL            (4)Detailed Examination.
Counter-Check    (4)Physical Properties.
Program      (4)Heat Shock.
            (4)Cold Bend
*            (4)Deformation.
*            (12) Horizontal Flame Test.
______________________________________________________________________________

Marking      General.
______________________________________________________________________________

Use            Internal wiring of appliances; or where exposed to oil
            at a tempera¬ture not exceeding 60°C or 80°C, whichever
            is applicable.Tags may indicate the following:
            600 V Peak - For Electronic Use Only.


导体UL只要求绞合截面积，导体在UL1581的导体章节有讲到，你可以查一下。

冰雨 发表于 2008-5-10 10:16

我补充一下电阻要求，20AWG允许最大导体电阻34.6

lsl 发表于 2008-5-13 23:03

谢谢hli168!收下了.
在论坛里收获太多,一切尽在不言中!
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