推荐回答（1个）
电气火灾、用火不慎、违章操作。
厨房用火不慎引起火灾，如城乡居民使用材、煤灶时，或用汽油、煤油等易燃液体引火是不慎，或将为完全熄灭的炉灰倒在其它可燃物附近，从而引起火灾，或使用煤气可、液化气石油气灶时，锅、壶盛水过满，加热时水溢出熄灭火焰，而燃气照常放气引起火灾。
电气线路引起的火灾。电气线路引起火灾比率最高的是那些临时住宅、旧房子房龄超过20年和乡村住宅，因为这些住宅建筑的线路问题较多，临时性住宅存在私拉乱接导致电线短路、接触不良等问题。
旧房子由于布线时设计用电量相对较少，电线截面选择较小，再加之经过长时间的使用电线绝缘层可能已老化破损而导致电气线路短路、超负荷引起火灾。
电器设备引起的火灾。电能的使用，主要是把电能转化成热能、光能、机械能等，这样必然用到一些如灯、电动机、电加热器的用电设备。这些设备和装置如选择不当，使用不合理或质量不过关，也极有可能发生火灾。
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违反操作规程使用家用电器，导致家用电器出现故障起火。
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