The main fuse or switch is connected in:

live wire

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neutral wire

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both live and earth wires

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both the earth and neutral wires

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Solution

The correct option is A live wire
We connect the main fuse or switches in live wire because when fuse is blown or switch is turned off, the appliances are no longer connected to the high voltage output.

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Similar questions

Where is the main fuse connected in a house circuit?

Fig. 9.29 below shows two bulbs with switches and fuse connected to the mains through a three pin socket by means of a three wires cable.

Fig. 9.29

(a) Label each component - bulb, switch, fuse and socket.

(b) Name and state the colour of insulation of each wire 1, 2 and 3.

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