Electrical wiring diagram symbols list. Represents two unconnected wiresconductors. Electrical symbols electronic circuit symbols of schematic diagram resistor capacitor inductor relay switch wire ground diode led transistor power supply antenna lamp logic gates. Dot shows the junction point.
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. Below lists the most commonly used electrical and electronic symbols that can help you get started quickly. Ansiieee standard device numbers.
Though these standard symbols are simplifiedthe function descriptions can make you understand clearly. Represents the connection of two conductors. 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.
Represents a bus for input or incoming data. There are several other electrical wiring symbols used in residential and commercial wiring but the above list of symbols are the important ones. Also called a power line or electric line or wire.