道岔跳线（简称跳线）用于道岔岔心等处的连接。

    Switch jumper is used for connection at switch frog.

    产品线芯采用防腐防混的蜂窝状结构，外部是一层绝缘护套；线体与线鼻、塞钉焊接处进行二次注塑防护。产品具有良好的防水、防腐效果。

    The core of the product is designed to anticorrosive and anti-mix honeycomb structure with the exterior a layer of insulating sheath. The plastic injection is made at the place where the line is welded with cable lug and plug pin. The product has a good waterproof and anti-corrosion performance.
    连接线结构为两头塞钉；连接线长度按客户要求生产。
    The connector has two plug pins at both ends in structure. The length is customized upon client’s request.
    依据标准：TB/T 1460-1983 《AD型道岔跳线》。

    Applicable standard:TB/T 1460-1983 AD Switch Jumper