engineering recuitment PGCIL Junior Technician Trainee (Electrician) Mock Test 2023 Electrician and Wireman Electrical Wiring House Service Connections and Wiring Layout
What are the number of switches that are used for the lighting circuit of the stairway and what is their type?
1
3, two-way switch
2
2, one-way switch
3
2, two-way switch
4
3, one-way switch