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प्रश्न
Name the markings of a three-pin plug. Give the colour codes of the connecting leads.
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उत्तर
The three pins of a three-pin plug are:
(i) Live pin
(ii) Neutral pin
(iii) Earth pin.
The colour of the corresponding connecting leads are
(i) Live pin—Brown (or Red),
(ii) Neutral pin—Blue (or Black),
(iii) Earth pin—yellow (or Green).
संबंधित प्रश्न
Identify the following wires used in a household circuit: The wire is connected to the top terminal of a three pin socket.
The diagram in Fig. shows a three pin plug. Label the three pins.
- Why is the top pin thicker and longer than the other two?
- Why are the pins splitted at the ends?
Draw a labelled diagram of a three pin socket.
The following diagram shows a three pin socket marked as 1, 2 and 3.
- Identify and write live (L) neutral (N) and earth (E) against the correct number.
- To which part of the appliance is the terminal 1 connected?
- To which wire joined to 2 or 3, is the fuse connected?
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?
Fig shows a three pin plug top. Label the three pins. Why is the top pin thicker and longer than the other two? Why are the pins splitted at the ends?
State the purpose served by the terminals of a three pin plug.
Give the role of each of the three terminals of a three way pin plug.
Draw a diagram of a three pin plug top. Mark the pins used for live, neutral and earth connections as L, N and E respectively. To which part of the appliance is the pin marked as E connected. To which line L or N is the fuse connected?
