传真机是机关、事业单位乃至厂矿企业所宠爱的一种快捷方便的办公设备。但是近几年来，因传真机安装使用不当引起的火灾事故屡见不鲜，值得引起人们的沓图。1传真机系交流电和直流电用于一体，因此，交流电和直流电源必须严格分开，不可互相连通，并注意传真机电力线与电话线不 Fax machine is institutions, institutions and even factories and mines favored a quick and easy office equipment. However, in recent years, it is not uncommon for fire accidents caused by the improper use of facsimile machines, and it is worth drawing people’s attention. 1 Facsimile system AC and DC are used as a whole. Therefore, the AC and DC power must be strictly separated and can not be connected to each other, and pay attention to the fax machine power line and the telephone line are not