When due to any reason phase and neutral joins directly then it is called short circuit. In such case very high voltage passes which causes fire due to high heating effect and could burn. Some times when more than one appliances are attached to single socket. It is called over loading on electric circuit. We should not attach more than one appliances or plugs in one socket.
Causes of Short Circuit:
- When quantity of current is more than limit of security, wire gets heated and plastic coat melts it allows phase and neutral to join and cause short circuit.
- When wires become old they break and cause short circuit. Harms from Short Circuit Due to short circuit high voltage current flow which results into fire and can cause severe accidents. To overcome this and save electric appliances in the series of electric circuit such a plug should use which could melt when limit of security cross, it closes the circuit such a wire is called fuse wire. Such a special wire is used today in expensive appliances like T.V., Fridge etc.
