Living comfort can be increased. 2 way switching applications and uses the main purpose of two way switching connection is to connect and control ac appliances and equipments from two separate locations.
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Multiway Switching Wikipedia
Applications of staircase wiring. The control of a staircase light switch circuit is one of the applications of light switch circuit. Advantages of using staircase wiring. In case of a multistory building though elevators will be there for the normal movement from one floor to another stairs are a must for emergency exit in case of fire or other calamities. This staircase wiring circuit can be done by 3 different methods with two way switches which is shown in above diagrams you can use one of this wiring method for controlling a light bulb from 2 different places. As i have already mentioned in the introduction paragraph a two way switch is very useful in staircase lighting as you can turn on the light just before you start to climb the stairs and once you reach upstairs you can turn off the light simply by toggling the switch placed near the top of the staircase. Electricity can be saved.
If you go to first floor having switched on the stair case light from ground floor you dont want to come again to ground floor to switch it off and save. For use in staircases. It is easy to accommodate additions or modifications on a straight staircase. An example of such an addition is a stair lift that is a necessity for people with mobility issues. Easy to control appliances from various points. Staircase wiring connection using 2 two way switches and intermediate switch to control a light point from three different places.
Staircase wiring is a common multi way switching or two way light switching connection. Staircase applications shorts the platform is large enough to take a passenger in a wheelchair up and down a flight of stairs using a dual rail arrangement mounted alongside the stairs either directly to the wall or on purpose designed stanchions. Faster control than a single switch. Even if one of the members of a household goes on to need a stair lift it can be installed with ease on a straight staircase. Here one lamp is controlled by two switches from two different positions. Highly efficient for larger places.
Staircase light switch circuit can also be used to control an outdoor light using switches situated in both inside and outside of the house. Stairs are a series of steps arranged in an order to provide access from one floor of a building to another floor. That is to operate the load from separate positions such as above or below the staircase from inside or outside of a room or as a two way bed switch etc. One light two switches wiring. Any number of switches may be connected to the light switch circuit. They should be provided in a convenient location of the building.