Which one of the following statements is not true ?
(a) In a house circuit, lamps are used in parallel.
(b) Switches, fuses adn circuit breakes should be placed in the neutral wire
(c) An electric iron has its earth wire connected to the metal case to prevent the user receiving a shock
(d) When connecting a three-core cable to a 13 A three-pin plug, the red wire goes to the live pin.
State the colour coding of the three wires in a cable used for wiring in a household electrical circuit.
A 3-pin mains plug is fitted to the cable for a 1 kW electric kettle to be used on a 250 V a.c. supply. Which of the following statement is not corrent ?
(a) The fuse should be fitted in the live wire
(b) A 13 A fuse is the most appropriate value to use
(c) The neutral wire is coloured black
(d) The green wire should be connected to the earth pin.