求翻译：有power supply flexible cord 的equipment和网电源连接器，都应有固定电线用的element，以防导线在equipment与网电源连接器的接线处收到拉力和扭力的影响，并防止导线的 insulation磨损。将电线打结，或用线把电线末端系住等免除应力的方法均不应使用是什么意思？

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There is a flexible power supply cord of the power equipment and Internet connection, which should be fixed in the element wires to protect the wires in the power equipment and Internet connection, the connection received the impact force and torque, as well as to prevent the wire insulation wear. T

Has power supply flexible cord equipment and the net power source coupling, all should have element which the fixed electric wire uses, guards against the wire receives the pulling force and the torsion influence in equipment and the net power source coupling wiring place, and prevents the wire the

Power supply equipment and networks for flexible cord power connector, has a fixed element of the wire to prevent power connector wiring wire in equipment and network receive the effects of tension and torsion, and prevent conductor insulation and wear. Wire tie, or the wire ends with a wire tied an

Balanced wire of the electric potential