Electrical Ground Symbol
Schematic symbol representing an electrical connection to earth ground.
International · c. 1900 – present
Electrical & Electronic
Schematic symbols for electrical components, circuits, and systems per IEC, ANSI, and ГОСТ standards.
4 symbols
Resistor Symbol
Schematic symbol representing an electrical resistor in circuit diagrams.
International · c. 1920 – present
Capacitor Symbol
Schematic symbol representing an electrical capacitor in circuit diagrams.
International · c. 1920 – present
Power Symbol (IEC 5009)
Standardized symbol for power on/off controls on electronic devices.
International · c. 1970 – present