随着电能应用的普及和用电量的提高,电气火灾从八十年代以来逐年呈上升趋势。七十年代以前,电气火灾的次数和损失通常占火灾次数和损失的 30％以下。杭州近几年来的电气火灾的比例也呈上升趋势。1993年杭州市的电气火灾占火灾次数的43％,损失占38％。杭州市区1993年发生火 With the popularization of electrical energy applications and the increase of electricity consumption, electrical fires have been increasing year by year since the 1980s. Before the 1970s, the number and loss of electrical fires usually accounted for less than 30% of the number of fires and losses. The proportion of electrical fires in Hangzhou in recent years has also been on the rise. In 1993, electrical fires in Hangzhou accounted for 43% of the number of fires, and losses accounted for 38%. Fire broke out in downtown Hangzhou in 1993