What measures are taken to prevent cable fire accidents?

In order to prevent cable fire accidents, several important precautions must be taken: 1. Choose cables that meet thermal stability requirements. These cables should be able to handle long-term rated loads under normal conditions and maintain short-term thermal stability during short circuits, preventing overheating and potential fires. 2. Avoid overloading the cables. Ensure that the load does not exceed the rated capacity. If overloading is unavoidable, strictly control the duration to prevent excessive heat buildup, which can lead to fires. 3. Follow proper cable installation guidelines. Keep cables away from heat sources and avoid placing them parallel or crossing with steam pipes. Maintain the required distances and apply insulation measures when necessary. Do not lay cables directly above or below heat pipes. In tunnels or trenches, avoid laying cables unless insulation is in place. Use wave-shaped arrangements to reduce tension during temperature changes, and ensure minimum bending radii to protect insulation. Avoid joints in tunnels, as they are the weakest points of the cable. When installing joints, use fire-resistant partitions to isolate them from other cables. 4. Conduct regular inspections. Monitor the temperature of power cables and their surrounding areas, especially for large-capacity cables and connectors. Regular checks help identify and address issues before they escalate. 5. Seal all cable entry points. Ensure that holes, gaps, and fire doors are properly closed to prevent fire spread. Install fire walls and doors in long tunnels and crossings. Keep access points closed to limit fire damage if a fire occurs. 6. Remove the outer jute sheath on buried cables. Strip the protective layer when entering tunnels or shafts to reduce fire risk. Cover the trench with strong, complete plates to prevent debris or welding slag from falling onto the cables. 7. Maintain clean and well-ventilated cable tunnels. Remove any waste, water, or oil buildup. Ensure proper ventilation to prevent heat accumulation and improve safety. 8. Ensure adequate lighting in tunnels and channels. Provide good lighting and special ladders for easy access, facilitating both inspections and firefighting efforts. 9. Prevent fire from entering the cable trench. Take precautions when working near cables to avoid sparks or flames entering the trench. 10. Perform regular testing and maintenance. Follow established procedures and conduct routine tests to detect faults early and ensure safe operation. Always follow safety regulations when entering tunnels for maintenance. Tianjin Cable Plant Rubber Cable Factory

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