Electrical Library

Types of Electrical Diagrams or Schematics

Electrical circuits can be represented in three ways: wiring diagrams, schematic diagrams, and pictorial diagrams. The most commonly used types are wiring diagrams and schematic diagrams. Below is a comparison...

Types of Electrical Diagrams or Schematics

Electrical circuits can be represented in three ways: wiring diagrams, schematic diagrams, and pictorial diagrams. The most commonly used types are wiring diagrams and schematic diagrams. Below is a comparison...

Large Common Electrical Components

The symbols shown below are used to represent larger components in electrical diagrams or schematics. The level of detail in these symbols can vary depending on the system diagram. Generally,...

Large Common Electrical Components

The symbols shown below are used to represent larger components in electrical diagrams or schematics. The level of detail in these symbols can vary depending on the system diagram. Generally,...

Common Electrical Component Symbols

Figure below shows the common symbols for relays, contacts, connectors, lines, resistors, and other miscellaneous electrical components.

Common Electrical Component Symbols

Figure below shows the common symbols for relays, contacts, connectors, lines, resistors, and other miscellaneous electrical components.

Three-phase and Removable Breaker Symbols

In three-phase systems, the symbols for fuses, breakers, or switches are created by repeating the single-phase symbol three times. The image also shows the symbol for a removable breaker, which...

Three-phase and Removable Breaker Symbols

In three-phase systems, the symbols for fuses, breakers, or switches are created by repeating the single-phase symbol three times. The image also shows the symbol for a removable breaker, which...

Fuse and Circuit Breaker Symbols

Figure below depicts basic fuse and circuit breaker symbols for single-phase applications. In addition to the graphic symbol, most drawings will also provide the rating of the fuse next to...

Fuse and Circuit Breaker Symbols

Figure below depicts basic fuse and circuit breaker symbols for single-phase applications. In addition to the graphic symbol, most drawings will also provide the rating of the fuse next to...

Electrical Switch and Switch Status Symbology

The image below shows symbols commonly used for automatic switches, detailing how each symbol indicates the switch's status or actuation.

Electrical Switch and Switch Status Symbology

The image below shows symbols commonly used for automatic switches, detailing how each symbol indicates the switch's status or actuation.