A four-way switch in a separate package is possible. Then the correct option is D.
What are four-way switches?
A battery-powered switch used in-house networking that allows you to turn up and off lights from three or even more locations.
To mount two switches and pilot light in a single-gang standard device box.
For the pilot switch, we can utilize a two-way switch with a function. We can utilize a two-way lever with a light beam as a pilot light.
As a result, a four-way switch in a separate package is possible.
Then the correct option is D.
More about the four-way switches link is given below.
https://brainly.com/question/568354
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