Question

list any three factors which cause overloading of domestic electric circuits

Answer 1

Three factors which can cause overloading are
(i) When the live wire and the neutral wire come into direct contact.

(ii) Accidental hike in the supply voltage. 
(iii) By connecting too many appliances to a single socket.

Answer 2

Explanation:

The precautions that should be taken to avoid the overloading of domestic circuits are as follows:

→ Too many appliances should not be connected to a single socket.

→ Too many appliances should not be used at the same time.

→ Faulty appliances should not be connected in the circuit.

→ Fuse should be connected in the circuit.