GB/T50786-2012：建筑电气制图标准

主要技术内容是:1.总则;2.术语;3.基本规定;4.常用符号;5.图样画法。

1 总则······6

2 术语······7

3 基本规定······9

3.1 图线······9

3.2 比例······10

3.3 编号和参照代号······11

3.4 标注······11

4 常用符号······13

4.1 图形符号······13

4.2 文字符号······51

5 图样画法······71

5.1 一般规定······71

5.2 图号和图纸编排······72

5.3 图样布置······73

5.4 系统图······73

5.5 电路图······74

5.6 接线图(表)······74

5.7 电气平面图······75

5.8 电气总平面图······75

本标准用词说明······77

引用标准名录······78

附:条文说明······79

1 总则······82

2 术语······83

3 基本规定······86

3.1 图线······86

3.2 比例······87

3.3 编号和参照代号······87

3.4 标注······89

4 常用符号······90

4.1 图形符号······90

4.2 文字符号······92

5 图样画法······94

5.1 一般规定······94

5.2 图号和图纸编排······94

5.3 图样布置······95

5.4 系统图······96

5.5 电路图······101

5.6 接线图(表)······102

5.7 电气平面图······102

5.8 电气总平面图······105