9) A stair case point is operated with :

10) Outlets above 15 A rating should be connected through a :

11) What is the maximum permissible wattage of all the appliances on a 16A - fuse branch-circuit ?

12) In batten wiring, for the batten width of 19 mm what length of overlapping portion do you use for straight joint ?

13) The rating factor which the normal current carrying capacity should be multiplied to get the permissible current in the cable for the circuits protected by close-excess current protection will be :