美女胸被狂揉扒开吃奶的网站o_亚洲日韩av中文无码专区_东京热激情无码专区_久久HEZYO久综合亚洲色_欧美成人高清视频_国产精品乡下勾搭老头_欧美一级v片在线播放_成人午夜国产视频_男女猛烈无遮挡免费动态图_亚洲一区国产精品视频

電線電纜網(wǎng) > 國外線纜 > 1631電子線的有關(guān)知識(完整版)

1631電子線的有關(guān)知識 - 無圖版

CHERRY --- 2007-07-17 14:03:28

1

有哪位大俠知道一些有關(guān)1631電子線方面的東東啊?如使用的原材料,技術(shù)標(biāo)準(zhǔn),生產(chǎn)流程,檢測方法等等的,謝謝了!

[limingxing 在 2007-10-9 14:37:55 編輯過]

CHERRY --- 2007-07-20 13:29:12

2

怎么又沒的人理哦!!!
haiwuya --- 2007-07-20 19:38:25

3

可以自己查閱UL758活頁以及UL1581。

hust --- 2007-08-06 13:51:56

4

UNDERWRITERS LABORATORIES INC.             APPLIANCE WIRING MATERIAL

Subj. 758      Section 1     Page 1631       Issued:  1981-05-20

                                     Revised:  2003-02-26

 

Style 1631    Polyethylene Insulated - Coaxial Cable.

______________________________________________________________________________

 

Rating     60 or 80°C, 30 V.

______________________________________________________________________________

 

Conductor     40 AWG minimum, material not specified.

______________________________________________________________________________

 

Insulation    Solid or Cellular Polyethylene, 3 mils minimum at any point,          100 mils maximum.  May be irradiated.

______________________________________________________________________________

 

Shield     Optional.

______________________________________________________________________________

 

Inner Covering    Optional - Extruded PVC, polyamide, TPE, FEP, PVDF, ETFE,              Irradiated P.E., or FRPE or lacquered braids, 2 mils min. at          any point.

______________________________________________________________________________

 

Outer Conductor   Optional.

______________________________________________________________________________

 

Outer Covering    Optional over braided metal shield, otherwise, Extruded PVC,

           polyamide, FEP, PVDF, ETFE or Lacquered braid, 2 mils min,            at any point. 

______________________________________________________________________________

 

Standard      Appliance Wiring Material UL 758.

______________________________________________________________________________

 

Instructions  Detailed Examination.

to UL

Representative

______________________________________________________________________________

 

UL         (4)  Detailed Examination.

*Counter-Check    (12) Horizontal Flame Test.

Program

______________________________________________________________________________

 

Marking       General.

______________________________________________________________________________

 

Use        Internal Wiring of Electronic Equipment in Class 2 Circuits           only.

 

-- 結(jié)束 --