What the two main precautions to be taken while using an electric supply?

Explanation

Precautions to be followed for using electricity are :
1. Switch off all switches including main switch whenever there is sparking or fire.
2. All connections muct be tight. Wires muct be covered with proper insulations of proper thickness. All joints muct be covered with insulating tape of a good quality. Defective switches should be immediately replaced.
3. Fuses should be always connected to be wire. The earth wire must be connected to the body of electric appliance.
4. Fuse must be of proper rating and should always be connected to live wire.
5. Whenever repairs are needed, switch off main switch. If however, repairs need a direct handling of live wire, use of rubber gloves or rubber shoes or a plier with insulated handle is a must.
6. If inspite of all the precautions, a person gets a shock due to accidental touching a live wire, one should try to provide such a person with support of some non-conducting material like wood, plastic or rubber. Never try to pull away person by your hand.
7. Always put dry rubber shoes while repairing the circuit.