Correct option is A
· Two-way switches are commonly used in staircase wiring.
· This type of wiring allows a light to be controlled from two different locations, such as the top and bottom of a staircase.
· This is particularly useful in situations where a light needs to be turned on or off from either end of the staircase, providing convenience and safety.
· In staircase wiring, two-way switches are connected in a specific manner to control a single light from two different locations.
· This setup is typical in staircases, long hallways, or large rooms with multiple entrances.
