...rupt Pull Test ) • 标准参考条款：UL817(99.1.1-99.2.3) • 测试样品：成品的电源线(Power supply cords)/电线组件(Cord Sets)的 插头/转换头 •..
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有时轴承组件需要调试。在冬季，电线上水分含量很高会结冰，这给电线增加了几十倍的负荷。
Sometimes bearing assemblies need adapting. In winter, when moisture on wires is high, ice may form on them, which increases the load for dozens of times.
整数代表必须连接到机盘上的电线数量，只有这个数量，所有组件才能操作。
Integer indicating the number of power cords which must be connected to the chassis, for all the components to operate.
安装，检查，更换或修理电线，插座，开关箱，管道，馈线，光纤和同轴电缆组件，照明灯具和其他电器元件。
Install, examine, replace or repair electrical wiring, receptacles, switch boxes, conduits, feeders, fibre-optic and coaxial cable assemblies, lighting fixtures and other electrical components.
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