A 3 way switch is used on each end with one or more 4 way switches in between the two 3 way switches. A 4 way switch has two positions.
Types Of Switches
4 way switch definition. Four way switch synonyms four way switch pronunciation four way switch translation english dictionary definition of four way switch. A 4 way switch is a double pole double throw dpdt switch. Definition of four way switch. Four way switches are used to control lighting from three or more locations. Note that in the above animation the wires are color coded to indicate their voltage state. Four way switches are used in combination with three way switches.
For a discussion of how to wire such circuits see 3 way and 4 way light switches. In the first position the contacts are connected straight through so that the switch has no effect. It has 4 terminals or poles and consists of two 3 way switches that are modified. An electric switch used in house wiring so that a light may be turned on or off at three or more places. A transference or shift as of opinion or attention. An exchange or a swap especially one done secretly.
The switch can be used to control the electricity supplying lights from three locations. In position two the switch cross connects the contacts on the left with the contacts on the right in an x connection. A device used to break or open. They do not have an onoff position like single pole switches. Each set of terminals is one of the toggle positions. There are four terminals that provide two sets of toggle positions on a four way switch.
That page and its links also discuss proper wire colors and several wiring alternatives. 4 way switch configurations are used to control lights with three or more switches. The center switch is 4 way switch while the outer two switches are 3 way. All four terminals are always brass in color.