What are the damage factors for circular electrical connectors?

I. What are the damage factors of circular electrical connectors? (1) Insufficient current-carrying round electrical connecting wires or clips, easily burned or broken. (2) Circular electrical connection wire is seriously scattered, the harness burns or breaks. (3) Circular electrical connection wire corrosion is serious, resulting in insufficient cross-section flow surface burned or broken. (4) Poor contact between the round electrical connection wire and the wire clamp or poor contact between the power wire clamp and the contact wire, resulting in burnout. (5) Insufficient current-carrying surface between the wire clamp and the lead, resulting in burnout. (6) Looseness of the clamping nut somewhere is not detected and handled in time, resulting in dislodging of the circular electrical connector. (7) No temperature change or too little offset reserve after installation of the circular electrical connector. (8) After installation of the circular electrical connector, the temperature change offset reserve was large and the vertical electrical connection line between the load bearing cable and the contact line was loose until it loosened to the lower part of the contact line and was damaged or cut off by the pantograph in operation. Part of the vertical bottom ring is too small in distance from the contact line and is damaged or cut by the pantograph. (9) Skewed installation of power clip on contact wire, knocked out by pantograph, resulting in cut-off accident. (10) The pantograph was cut off at other locations on the contact wire and the pantograph continued to run to the installation of the electrical connector, thus cutting off the electrical connector.

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