Question

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?

Answer 1

(a) The three wires are Live/ phase wire, Earth wire and Neutral wire.

(b) The heating element of geyser should be connected to live wire and neutral wire.

(c) The metal case should be connected to the earth wire.

(d) The switch and fuse should be connected to live wire.