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Question
In following Figure shows two bulbs with switches and fuse connected to mains through a three pin socket by means of a three wires cable.
- Label each component - bulb, switch, fuse and socket.
- Name and state the colour of insulation of each wire 1, 2 and 3.
- How are the two bulbs joined: in series or in parallel?
Solution
- 1 - Neutral wire (N)
2 - Earth wire (E)
3 - Live wire (L)
Wire no Wire name Colour (Old convention) Color (New convention) 1 Neutral wire Black Light blue 2 Earth wire Green Green or yellow 3 Live wire Red Brown - The two bulbs are joined in parallel.
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