Final answer:
A wall switch is required for stairway lighting at each level separated by five or more risers.
Explanation:
A wall switch is required to control stairway lighting at each level when the levels are separated by five or more risers.
This is important for safety reasons to ensure proper lighting control as individuals move through the staircase.
Having a switch at each level separated by specific risers helps in efficient lighting management and convenience.
Learn more about Stairway Lighting Control here:
https://brainly.com/question/42894917
