GB/T 4728.2-2005
Graphical symbols for electrical diagrams- Part 2 Symbol elements,qualifying symbols and other symbols having general application (English Version)

Standard No.: GB/T 4728.2-2005
Language: Chinese, Available in English version
Release Date: 2005
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2019-02
Replace By: GB/T 4728.2-2018
Latest: GB/T 4728.2-2018

Scope: GB/T 4728 "Graphical Symbols for Electrical Diagrams" includes 13 parts: general requirements; symbol elements, limited symbols and other commonly used symbols; conductors and connectors; basic passive components; semiconductor tubes and electronic tubes; generation and conversion of electrical energy ; Switching, control and protection devices; Measuring instruments, lamps and signaling devices; Telecommunications: switching and peripherals; Telecommunications: transmission; Building installation floor plans; Binary logic elements; Analog elements.

GB/T 4728.2-2005 history

2018 GB/T 4728.2-2018 Graphical symbols for electrical diagrams—Part 2：Symbol elements,qualifying symbols and other symbols having general application
2005 GB/T 4728.2-2005 Graphical symbols for electrical diagrams- Part 2 Symbol elements,qualifying symbols and other symbols having general application
1998 GB/T 4728.2-1998 Graphical symbols for diagrams. Part 2: Symbol elements, qualifying symbols and other symbols having general application