WorksheetsTwo-Way Switch
Total questions: 10
Worksheet time: 5mins
The main function of the changeover switch is….
Regulating the current
Turning the lights on and off from two locations
Preventing short circuits
Lowering the voltage
How many main terminals does a two-way switch have?
2
3
4
5
The terminal connected to the phase source (L) on a two-way switch is….
COM
L1
L2
Ground
In a two-way switch circuit, the interconnecting wires between the switches are usually connected to….
L1 and Ground
COM and L1
L1 and L2
COM and COM
The most common application of a two-way switch is….
Corridor or staircase lighting
Electric fan
Kitchen power outlet
Electric iron
A two-way switch is also known as….
Single switch
Two-way switch
Rotary switch
Limit switch
If one of the L1 or L2 wires is disconnected, then….
The lamp will stay on
The lamp will remain stable
The lamp cannot be controlled from two locations
The voltage increases
In the working principle of a two-way switch, the movement of the contact is performed by….
Fuse
COM
Relay
Power Outlet
A two-way switch is used most often in the following situations, except….
A hall room with two doors
A two-story staircase
A small bedroom with one door
A long corridor
A two-way switch circuit allows the lamp to light up when….
Ground is connected to L1
The contact positions of both switches are connected to the same path
COM is not connected
L1 and L2 are placed in series with neutral
