Electrical wiring diagram symbols list. 1 master element 2 time delay starting or closing relay 3 checking or interlocking relay 4 master contactor 5 stopping device 6 starting circuit breaker 7 rate of change relay 8 control power disconnecting device 9 reversing device 10 unit sequence switch 11 multifunction. Also called a power line or electric line or wire. Wiring diagrams use simplified symbols to represent switches lights outlets etc. Groundearth this symbol.
There are several other electrical wiring symbols used in residential and commercial wiring but the above list of symbols are the important ones. Represents a bus for input or incoming data. Represents the connection of two conductors. Electrical symbols electronic circuit symbols of schematic diagram resistor capacitor inductor relay switch wire ground diode led transistor power supply antenna lamp logic gates.
Here is a standard wiring symbol legend showing a detailed documentation of common symbols that are used in wiring diagrams home wiring plans and electrical wiring blueprints. Ansiieee standard device numbers. This article shows many of the frequently used electrical symbols for drawing electrical diagrams. These electrical and electronic circuit symbols are generally used for drawing schematic diagram.