各位大哥：

                  現在急需UL2556，哪位大哥有的幫助一下啊，謝謝各位好人啦 ！

         聽UL說：1581和758最終都會被2556取代，現在部份測試標準已經按2556走了，所以急需了解學習，望大家不要吝嗇啊！

UNDERWRITERS LABORATORIES, INC.               FACTORY INSPECTION PROCEDURE

Subj.  758       Section   2        Page  2556   Issued  December 27, 1971

Vol.          This Page Effective               Revised

  Style 2556    Multi-Conductor Irradiated (Extruded, or Laminated)

                Flame-Retardant Polyethylene Insulated Flat Cable

  ---------------------------------------------------------------------------­

  Rating        60 C, no voltage assigned.

  ----------------------------------------------------------------------------

  Conductors    27 through 60, No. 33 Awg, silver coated solid copper.

  ----------------------------------------------------------------------------

  Insulation    Irradiated (extruded, or laminated) flame-retardant

                polyethylene in min. 7 mil wall.  Conductors within

                row separated min. 3 mils.  The adjacent ground

                conductors within a row may touch.  Total over-all

                thickness of cable min. 25 mils.

  ----------------------------------------------------------------------------

  Standard      Flexible Cord and Fixture Wire (Subj. No. 62).

  ----------------------------------------------------------------------------

  Instructions   Detailed examination.

       to       Dielectric Strength 900 V for 1 min. (1) between

  Inspector      adjacent conductors, (2) between conductors and

                 two metal plates.

                Insulation shall not crack when cable is flexed

                 flatwise into a U-bend around a 1/8 in. diam. mandrel.

  ----------------------------------------------------------------------------

  Northbrook    (4) Detailed examination.

  Counter-Check     (4) Cold bend.  Insulation shall not crack when

  Program            cable is flexed into a U-bend around a 1/2

                     in. diam. mandrel and taped into place.  The

                     cable shall be allowed to cool to minus 20 C

                     for one hour.

                (4) Age 168 hours at 100 C and subject to dielectric

                     strength test described above.

                (2) Flame test, Page 31.  One length of cable to be

                     supported flat with flame applied in center of

                     width, and another length of cable held on edge

                     with flame applied on lower edge.

  ----------------------------------------------------------------------------

  Marking       General, Page 13.

  ----------------------------------------------------------------------------

  Use           For use in protected locations in data

                processing equipment and office appliances.

,我还以为你要是758里的2556呢。。。

楼主可以到下面的帖子中进行下载：

不过好贵呀？

楼主的威望也不够！需要60个金币！

http://www.dxdlw.com/ShowPost.asp?PageIndex=2&ThreadID=31374

最新版本的就是07版的吧！

反正我用的就是07版的！

我有!

谢谢你了,好人.

 谢谢 youxia3185

赚到钱我就买．．．