Imagine that you need to install a switch for a light in a basement. One door le
ID: 1716177 • Letter: I
Question
Imagine that you need to install a switch for a light in a basement. One door leads from the kitchen to the basement stairs, and an exterior door leads into the basement from the outside. Which of the following statements is correct?
A) One three-way switch should be placed on the wall in the kitchen 6 inches from the
door frame, and another three-way switch should be placed at the bottom of the
stairs.
B) One three-way switch should be placed at the bottom of the stairs, and another
three-way switch should be placed at the top of the stairs.
C) One three-way switch should be placed inside the exterior basement door, and
another three-way switch should be placed at the bottom of the stairs.
D) One three-way switch should be placed at the top of the stairs, and another threeway
switch should be placed inside the exterior basement door.
Explanation / Answer
Switch are required at both the door and its better to switch on and off before entering and after leavinf the basement.
Hence option D