Switch Wiring Diagram Symbols. Electrical symbols are used to represent electrical and electronic devices in schematic diagrams. Step 1.
How to read the wiring diagrams wire colour codes a 9 wire colour codes wire colours are identified by the follow colour codes. One line diagrams are used when information about a circuit is required but detail of the actual wire connections and operation of the circuit are not. Disconnects current when open.
Ansiieee standard device numbers.
3 way switch the 3 way switch symbol is used to describe a pair of light switches which are found in areas such as a hallway or stairway where a 3 way switch is located at opposite ends. Wiring diagram switch symbols. Toyota wiring diagrams show harness connectors from the open end. Common electrical symbols this is not a definitive list of all symbols used in electrical identification but merely a guide to some of the more commonly used symbols.