Question

Name two safety devices that are connected to the live wire of a household electrical circuit and give one important function of each of these two devices.

Answer 1

The two safety devices connected to the live wire are the electric fuse and the switch.

The functions of these devices are as follows:

• Electric Fuse: It melts and breaks the circuit during overloading or a short circuit to prevent electrical fires.
• Switch: It completely cuts off the current from the high-voltage live wire to protect users from electric shocks.