1After the plug has been put into the socket and the appliance is switched on and off, what do you observe, and what do you conclude from it?
2When you examine the wiring in the rooms of your house or school, what should you look for?
3Write the difference between the live wire and the neutral wire.
4What is earthing, and how does it keep us safe?
5Which wire goes on which terminal when a plug is wired? Write it out.
6Why must the power cord be clamped under the cord gripper?
7Why are different coloured wires used for the phase, neutral and earth in a house circuit?
8What precaution must be taken before doing any work with electricity, and why?