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在建筑安装工程中,电气安装工程是整个建筑工程的一个组成部分,例如工厂建筑中的动力设备和照明用电,家庭中的各种电气用具等。对于建筑安装电工来说,经常需要安装的项目有:照明工程,动力工程,变配电工程,自动控制继电保护系统工程,电缆及架空干线工程,另外还有户内电话,广播,信号,电视天线,避雷装置等分项工程。当安装这些项目时,首先接触的就是设计施工图。在电气工程的图样中,照明工程图比
In the construction and installation project, the electrical installation project is an integral part of the entire construction project, such as the power equipment and lighting power in the factory building, and various electrical appliances in the home. For building and installation electricians, the items that often need to be installed are: lighting engineering, power engineering, power distribution and transformation engineering, automatic control relay protection system engineering, cable and overhead trunk line engineering, in addition to indoor telephone, broadcasting, and signals. TV antenna, lightning protection devices and other sub-projects. When installing these items, the first contact is to design the construction drawings. In electrical engineering drawings, the ratio of lighting drawings