Cable is widely used in the modern urban power grid. Without safe operation measure, once failure occurs, there will be huge damage. This article introduces the reasons and characteristics of cable fire, the measures to prevent cable secondary combustion, rescue measures and daily checking measures.%现代城市电网中,电缆应用十分广泛。如果没有针对性的安全运行措施,一旦发生故障,危害极大。文章阐述了电缆着火的原因和特点,防止电缆延燃的措施和扑救方法及日常采取的措施和检查内容。
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