电力是一种高效、洁净的能源。人类使用它已有上百年的历史,现代生活处处离不开电。二十世纪实际上就是电气时代。但是,电在造福人类的同时,也会带来危害,电气火灾就是其中之一。据统计,我国电气火灾在重特大火灾中所占的比例,已由八十年代初期的8％上升到目前的40％;另据公安部消防局对“八五”期间电气火灾的统计和“九五”期间的预测,全国每三起火灾中就会有一起是因电气原因造成的,经济发达地区因电气火灾造成的损失 Electricity is an efficient and clean source of energy. Human use of it has been a hundred years of history, modern life everywhere can not do without electricity. The twentieth century is actually the era of electricity. Electricity, however, can also bring harm to the benefit of humankind. Electric fire is one of them. According to statistics, the proportion of China’s electric fires in major fires has risen from 8% in the early 1980s to 40% at present. According to statistics by the Ministry of Public Security Fire Station about the electrical fires during the “Eighth Five-Year Plan” and " During the Ninth Five-Year Plan, all three fires in the country will be caused by electrical reasons. The losses caused by electrical fires in economically developed areas