List the colours of the three wires in the cable connected to the plug of an electic iron.
An appliance has three wires of colours red, black and green, and is connected to a three pin plug. The thickest pin is connected to which wire?
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.
A power circuit uses a cable having three different wires.
(a) Name the three wires of the cable.
(b) Between which of the two wires should the heating element of an electric geyser be connected?
(c) To which wire should the metallic case of the geyser be connected?
(d) To which wire should the switch and fuse be connected?
State the colour coding of the three wires in a cable used for wiring in a household electrical circuit.