As you will see most 4 way switch wiring is placed between the wiring of two 3 way switches therefore a 4way switch is installed with two 3way switches. You can have an indefinite number of 4 way switches in a circuit.
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4 way switch symbol. To illustrate the 4 way switch wiring switch boxes and fixture boxes are not shown but are obviously required for every application. Pneumatic circuit valve symbols. The center switch is 4 way switch while the outer two switches are 3 way. Most valve symbols have three parts see figure 2a below. Most of the switch symbols can be changed in their appearance style and color to meet the requirements. The vector stencils library switches contains 25 symbols of electrical switches.
A 4 way switch is always placed in between two 3 way switches. That page discusses proper wire colors and several ways to wire a multiswitch circuit. 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 switch liquid level actuated switch gas flow actuated switch temperature actuated switch and. If you understand how to wire a 3 way switch youll have no issues with a 4 way switch. For a discussion of how to wire such circuits see 3 way and 4 way light switches. Symbols show the methods of actuation the number of positions the flow paths and the number of ports.
As above with the three way switch but here three switches will control typically a light or group of lights. Use this if you began repairing and replacing a 4 way switch circuit and ran into problems. 4 way switch configurations are used to control lights with three or more switchesa 3 way switch is used on each end with one or more 4 way switches in between the two 3 way switchesthey do not have an onoff position like single pole switches. A similar page for 3 way switch circuits. Back to 3 way and 4 way light switches. Use it for drawing electrical design floor and building plans devices and equipment layouts in the conceptdraw pro diagramming and vector drawing software.
Dimmer switch the dimmer switch symbol may refer to a variety of dimming type light switches which are used to control dimmable light fixtures commonly found in areas such as living rooms and bed rooms. 4 way switch symbol r stencils library. For this circuit you will need to buy one four way switch and two three way switches. It is important to understand how these switches are wired before attempting to troubleshoot or replace. This page is just intended as an aid in case you want to view the sequence of images more slowly. If you had three entrances to a room you may want a light switch at each entrance.
The actuators are the mechanisms which cause the valve to shift from one position to another. Watch the 4 way switch video below and pay attention. Here is a brief breakdown of how to read a symbol. My 3 way switches dont work. Start here for practical circuits with different arrangments of switches and lights including proper color codes. My 4 way switches dont work.
4 way switch the 4 way switch symbol describes one or more 4 way switches which are commonly found in very long hallways or stairways where there is more than two access points. They all must be between the two 3 way switches.
Gallery of 4 Way Switch Symbol
