验货员论坛

 找回密码
 注册
搜索
查看: 333|回复: 1
打印 上一主题 下一主题

UL2547 号线的额定电压应该是多少

[复制链接]
跳转到指定楼层
1#
发表于 2012-2-1 12:32:07 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
前辈:
UL 2547 额定电压应该是多少? 在那个标准里面可以查到啊?
因为我不是从事电线行业的,对这方面的知识了解太少,所以咨询各位一下,小女子先谢了.
2#
发表于 2012-2-1 12:32:12 | 只看该作者
发一张UL758里对于2547的规定看看~
希望下列的英文都能认识。
刚在UL的规格页里下的更新后的。

UNDERWRITERS LABORATORIES INC. APPLIANCE WIRING MATERIAL
Subj. 758 Section 2 Page 2547 Issued: 1971-10-15
Revised: 2003-03-31

Style 2547 Two or Three Conductor-Semi-Rigid PVC Insulated
and PVC Jacketed Wire.
______________________________________________________________________________

Rating 80?C, voltage not specified.
______________________________________________________________________________

Conductors Two or three 30-16 AWG, solid or stranded, tinned
or bare copper.
______________________________________________________________________________

Insulation Extruded semi-rigid PVC, 9 mils minimum average,
7 mils minimum at any point. Suitable for 80?C.
______________________________________________________________________________

Assembly Insulated singles parallel, twisted, or cabled
together, length of lay is not specified.
Barrier layer and/or fillers optional.
______________________________________________________________________________

Shield Optional.
______________________________________________________________________________

Jacket Extruded PVC, Class 43, 12 mils minimum average,
10 mils minimum at any point. ______________________________________________________________________________

Shield Optional.
______________________________________________________________________________

Jacket Optional. Extruded PVC, Class 43, 12 mils minimum
average, 10 mils minimum at any point.
______________________________________________________________________________

Standard Appliance Wiring Material UL 758.
______________________________________________________________________________

Instructions Detailed Examination.
to UL Physical Properties of Insulation and Jacket, Unaged.
*Representative Spark Test.
______________________________________________________________________________

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

Marking General.
______________________________________________________________________________

Use Internal wiring of electronic equipment where not
exposed to movement or mechanical abuse.
您需要登录后才可以回帖 登录 | 注册

本版积分规则

小黑屋|手机版|Archiver|外贸验货员网

GMT+8, 2025-6-17 23:26 , Processed in 0.067216 second(s), 19 queries , Gzip On.

Powered by Discuz! X3.2

© 2001-2013 Comsenz Inc.

快速回复 返回顶部 返回列表