无目录一.工程概况......................................................................................................31.1建设单位与设计单位...............................................................................................31.2工程地址...................................................................................................................31.3建筑简介...................................................................................................................3二.主要施工机械配置....................................................................................4三.临时用电平面布置：..................................................................................5四、负载计算与复核.......................................................................................64.1总用电量的计算与复核...........................................................................................64.2工地临时供电计算书...............................................................................................74.2.1用电量计算...............................................................................................................................74.2.2与现有变压器容量比较...........................................................................................................94.2.3总配电箱导线截面计算...........................................................................................................94.2.4各分配电箱导线截面计算.....................................................................................................10五、安全用电技术要求.................................................................................105.1用电设备的接地与防雷.........................................................................................105.2配电房及配电箱设置要求.....................................................................................125.3移动电具的安全使用.............................................................................................13六.安全用电技术措施....................................................................................14七.电工安全技术交底....................................................................................16八.电气防火技术措施....................................................................................17九.标准电气接线系统图...............................................................................229.1TN—S系统示意图.................................................................................................229.2TN—S系统接线示意图.........................................................................................239.3分配电箱至设备接线示意图.................................................................................249.4零线重复接地示意图.............................................................................................259.5用电设备接零保护示意图.....................................................................................259.6漏电保护器的接线方法.........................................................................................269.6.1.单相漏电保护器的接线方法................................................................................................269.6.2.TN-S系统三相（380/220）二极漏电保护器的接线方法................................
