Name three colours used and names of the wires used in household wiring.

(N/A) In household electrical wiring,three types of wires are used based on their function:
$1$. Live wire: It is used to carry current from the source. According to the old convention,it is red in colour,and according to the new international convention,it is brown.
$2$. Neutral wire: It provides a return path for the current. According to the old convention,it is black in colour,and according to the new international convention,it is blue.
$3$. Earth wire: It is used for safety purposes to prevent electric shocks. It is green or yellow-green in colour.