This standard specifies the method for drawing electrical diagrams, diagrams and tables for industrial machinery and electrical equipment. This standard applies to the drawing of electrical diagrams, diagrams and tables for industrial machinery and electrical equipment such as metal cutting machine tools, woodworking machine tools, electrical processing machine tools, casting and forging machinery.
JB/T 2740-1996 history
2015JB/T 2740-2015 Electrical equipment and system of machine tools.Drawing of electrical diagrams, illustration and table
2008JB/T 2740-2008 Electrical equipment of industrial machines drawing of electrical diagrams, figure and table
1996JB/T 2740-1996 Drawing of electrical diagrams, diagrams and tables of electrical equipment for industrial machinery