Question

list three factor which can cause overloadingof domestic electric circuit

Answer 1

(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

Domestic electric circuits are those circuits used in household. Following are the properties of domestic electric circuits -

→The voltage supply is 220 V

→ The safe limit of current is 15 A or 5 A

→ The appliances are connected in parallel.

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

•→ When live and neutral wire come together into direct contact.

•→ Accidental hike in supply voltage.

•→ 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