Final answer:
An escalator's manual stop switch is typically located on a nearby wall or handrail at the top or bottom of the unit for easy access during emergencies.
Step-by-step explanation:
The location of an escalator's manual stop switch is typically D. On a nearby wall or handrail at the top or bottom of the unit. This is for ensuring easy access during emergencies. While an escalator's various mechanical components are housed in an equipment room, that is not where the manual stop switch is located. Rather it is at a reachable location such as the top or bottom of the escalator where anyone can access it quickly to stop the escalator should a need arise. An escalator's manual stop switch is typically located on a nearby wall or handrail at the top or bottom of the unit for easy access during emergencies.
Learn more about Escalator's Manual Stop Switch