Switch Wiring Diagram Symbol

Wiring diagrams use simplified symbols to represent switches lights outlets etc. Most of the switch symbols can be changed in their appearance style and color to meet the requirements. Electrical symbols electronic circuit symbols of schematic diagram resistor capacitor inductor relay switch wire ground diode led transistor power.

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This list of switch symbols will help you to identify these devices on the electrical blueprint or wiring diagram layout.

Switch wiring diagram symbol. The switch symbols below include spst spdt dpst dpdt make contact break contact two way contact 2 position switch 3 position switch 4 position switch limit switch inertia switch mercury switch and also delay switch such as time delay switch time delay break flow actuate. The electrical symbols will not only show where something is to be installed but what type of device is being installed. The white wire becomes the energized switch leg as indicated by using black or red electrical tape. 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.

When performing any electrical wiring for any of these switches devices you will be able to identify the type and location of the various devices from this list of switch symbols. When looking at any switch diagram start by familiarizing yourself with the symbols that are being used. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. This 4 way switch diagram 2 shows the power source starting at the fixture.