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UL2725 有沒(méi)有兩芯的，有又是怎樣？鋁箔、地線有沒(méi)有。

可以的,2芯線以上都可以,

鋁箔及地線按ul 758定義都是金屬物,是可以加要里面的

伯園:
2Ｃ＋Ｂ可以�。玻罚玻祮�？

不可以

謝謝羅

可以參考UL758中STYLE 2725，可以的，當(dāng)然也可以不要屏蔽。

先謝了

UNDERWRITERS LABORATORIES INC.              APPLIANCE WIRING MATERIAL

Subj. 758     Section 2     Page 2725        Issued:  1975-05-02

                                Revised:  2006-11-20

Style 2725    Electronic Cable.

______________________________________________________________________________

Rating     60°C or 80°C, 30 V.

______________________________________________________________________________

Insulated     Labeled or Complies with manufacturer's AWM Procedure.

Singles       May include mixed sizes.

______________________________________________________________________________

Conductor     Two, three, or four parallel, or two or more

Assembly      twisted insulated singles or groups of twisted singles

           twisted together or groups of twisted singles may be laid

           parallel to form flat or oval cable.  Lay not specified.

Barrier layer and/or fillers optional.  May employ a web extruded integrally with the jacket.  Manufacturer shall

           maintain a complete description of each assembly.  Diameter

           of assembly under jacket one inch maximum.

______________________________________________________________________________

Shield     Optional.

______________________________________________________________________________

Jacket     PVC, Class 43, 9 mils minimum average, 7 mils minimum at

           any point, before and after ripping if a web is used.

______________________________________________________________________________

Standard      Appliance Wiring Material UL 758.

______________________________________________________________________________

Instructions  Detailed Examination.

to UL         Tensile and elongation of jacket, unaged

Representative

______________________________________________________________________________

UL         (4)  Detailed Examination.

Counter-Check (4)  Tensile and elongation of jacket, unaged and aged

(4)            Heat Shock

(4)            Cold Bend

(4)    Deformation

*Program      (12) Horizontal Flame Test.

______________________________________________________________________________

Marking       General.

______________________________________________________________________________

Use        Internal wiring of electronic equipment in Class 2 systems

           only.

可以印2725 ，UL 758 中規(guī)定屏蔽層是可以選擇的，所以可以加B ,也可以不加。 2725是很好做的一個(gè)安規(guī)，很好線材都 可以用的。