Different types of switches are being used in lighting circuits. Which switch is used for stair case wiring ?

One way switch

Two way switch

Bed switch

Push switch

2

3

4

5

6 A, 250 V

6 A, 240 V

6 A, 230 V

5 A, 250 V

Holding accessories

Safety accessories

Controlling accessories

Outlet accessories

Earth fault between L and E in the switch

Loose handle fixed on baffle carrier rod of switch

Short between L and E in the switch

Baffles in the switch are in open condition due to damaged operating rod