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  • UL標準 UL187 關于UL電源線的顏色和插頭符號的描述
  • UL 187

    1 Identification and Wiring
    11.1 A terminal on a device which is identified for the connection of either a grounded conductor, or a grounding conductor shall be correctly connected to the corresponding identified conductor of the cord.
    11.2 If a flexible cord is assembled to a fitting that has any of the configuration contacts as illustrated in Figures C1.1-C1.38, C2.1-C2.42, and C3.1-C3.8, both of the following conditions shall be met:
        a) The conductor in the cord that
              1) is finished to show a white or natural grey color,
              2) is covered by a white or natural grey braid, or
              3) is equivalently identified by
                   ⅰ) a white or natural grey separator,
                   ⅱ) a stripe, ridge, or groove on the outside surface of the insulation or
                   ⅲ) a tin or other white metallic coating on each strand
        shall be connected either to the contact designated by the letter W in the illustration (signifying the grounded circuit conductor), or, if there is no contact designated W in the illustration, to a contact designated X, Y, or Z or to any contact that is not designated by a letter.
        b) The conductor in the cord that either:
              1) is green with or without one or more yellow stripes, or
              2) is covered by a green braid with or without one or more yellow tracers
         shall be connected only to the contact designated by the G in the illustration (signifying the grounding conductor).
    Exception: The grounded conductor (item a) of a power-supply cord or a single-outlet cord set may have light blue colored or light blue coated insulation if :
    a) The cord has a jacket that is not integral with the circuit conductor insulation,
    b) The power-supply cord or cord set is to be factory installed in, or packaged with, an appliance, and
    c) The shipping package is marked in accordance with 15.5.

    寧波煊華電器有限公司  電源線  電源線插頭  橡膠線

  • [關閉]  [打印] Time:2013-06-26
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