This section specifies the principles and general rules for drawing electrical diagrams of aerospace products. This section is applicable to the drawing of electrical schematics for aerospace products.
GB/T 4728.2 Graphical symbols for electrical diagrams—Part 2:Symbol elements,qualifying symbols and other symbols having general application*, 2018-07-13 Update
GB/T 4728.2-1998 Graphical symbols for diagrams. Part 2: Symbol elements, qualifying symbols and other symbols having general application
GB/T 4728.3 Graphical symbols for electrical diagrams.Part 3:Conductors and connecting devices*, 2018-07-13 Update
GB/T 4728.3-1998 Graphical symbols for diagrams. Part 3 Conductors and connecting devices
GB/T 4728.5 Graphical symbols for electrical diagrams—Part 5:Semiconductors and electron tubes*, 2018-07-13 Update
GB/T 4728.6 Graphical symbols for electrical diagrams—Part 6: Production and conversion of electrical energy*, 2022-10-14 Update
GB/T 4728.7 Graphical symbols for electrical diagrams—Part 7:Switchgear, controlgear and protective devices*, 2022-10-14 Update
GB/T 4728.8 Graphical symbols for electrical diagrams—Part 8:Measuring instruments, lamps and signalling devices*, 2022-10-14 Update
GB/T 4728.9 Graphical symbols for electrical diagrams—Part 9: Telecommunications :Switching and peripheral equipment*, 2022-10-14 Update
GB/T 786.1 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 1: Graphical symbols*, 2021-05-21 Update
QJ 1931.2A-2005 history
2005QJ 1931.2A-2005 The drawing rules of electrical diagram--Part 2: General rules
1990QJ 1931.2-1990 General Rules for Drawing Electrical Diagrams
QJ 1931.2A-2005 The drawing rules of electrical diagram--Part 2: General rules has been changed from QJ 1931.2-1990 General Rules for Drawing Electrical Diagrams.