How should the several electric lamps be connected with the mains so that the switching on or off a lamp has no effect on the operation of other lamps?

(a) At what voltage is the electric power from the generating station transmitted? Give reason to your answer.

(b) What is the nature of current transmitted from the power station?

(a) Name the three connecting wires used in a household circuit.

(b) Which of the two wires mentioned in part (a) are at the same potential?

(c) In which of the wire stated in part (a) the switch is connected?

What is the pole fuse? Write down it's current rating.