随着我国科技的快速发展,各种电气设备已广泛应用于人们的生产生活领域,社会电气化特征越来越明显,各类大型公共场所、高层建筑的高新电气设备数量、种类不断增多,加之电气设备质量参差不齐,电气火灾隐患问题日益突出。2009年5月21日,广东省汕头市谷饶镇一家庭作坊因电线短路发生火灾,造成13人死亡;2010年8 With the rapid development of science and technology in our country, all kinds of electrical equipment have been widely used in people’s production and living areas. The characteristics of social electrification have become more and more obvious. The number and types of high-tech electrical equipment in large-scale public places and high-rise buildings have been increasing continuously. Equipment quality is uneven, the electrical fire hazard problems have become increasingly prominent. On May 21, 2009, a family workshop in Gurao Town, Shantou City, Guangdong Province, caused 13 fires due to a short circuit of wires. In 2010, 8