楼主：是UL的，先搞懂AWM，然后上UL网上查。

建议你到高频区，绝大部分是做UL的。

UNDERWRITERS LABORATORIES INC.               APPLIANCE WIRING MATERIAL

Subj. 758       Section 2       Page 2560        Issued:  1972-02-07

                                    Revised:  2003-03-31

Style 2560      PVC Jacketed Cable.

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Rating      60°C, 30 Volts.

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Insulated       Labeled or complies with manufacturer's procedure

Conductors      or see Facing Page.

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Assembly        Two or more singles or groups of singles twisted

together.  The singles or groups may be either laid parallel to form a flat cable with no more than three rows of single conductors or groups of conductors or cabled together to form a round cable.  Lay not specified.  Barrier layer and/or fillers optional.  Manufacturer shall maintain a complete description of each assembly.

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Shield      Optional.

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Jacket      PVC, Class 43.

            Major dia of flat

            cable or dia of round

            cable under jacket in        Minimum         Minimum at

            _______inches             Average (Mils)    Any Point 

            0.425 or less             30         24

            0.426 to 0.700            45         36

            0.701 to 1.000            60         48

            1.001 to 1.500            80         64

            1.501 to 2.500             110            88

            2.501 and larger               140            124

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Standard        Appliance Wiring Material UL 758.

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                                (Continued on Page 2560A)

UNDERWRITERS LABORATORIES INC.               APPLIANCE WIRING MATERIAL

Subj. 758       Section 2       Page 2560A       Issued:  1972-02-07

                                    Revised:  2003-03-31

Instructions    Detailed Examination.

to UL           Tensile Strength and Elongation of Jacket, Class 43.

Representative

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UL          (4)  Detailed Examination.

Counter-Check   (4)  Tensile Strength and Elongation of Jacket, Class 43.

Program     (4)  Heat Shock on Jacket.

            (4)  Deformation on Jacket, Class 43.

            (4)  Cold Bend on Completed Cable, Class 43

*           (12) Cable Flame Test on Completed Cable.

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Marking     General.

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Use         Interconnecting cable for use with EDP equipment where

            terminated in connectors and located entirely exterior

            to the equipment, Class 2 wiring systems only.

是美国UL标准.

UL 758  AWM STYLE PAGE 内的一个型号.AWM 是(器具用线) 具体测试要求和方法参考UL1581.

催老大已经把UL的标准要求给你了。 这样你应该可以明白了.

谢谢各位帮助扫盲, 这回有点明白了  

再问个"地下室"问题, 电线电缆的国标跟UL有对应关系吗?