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Science and Technology, Class 8
Household Electrification
From power house to home · 220 V at the house · Meter, fuse and MCB
What We Will Learn Today
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The path from the power house to a house
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Wiring and the domestic circuit
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Reading the meter and working out the bill
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How the fuse and MCB protect a house
The Journey of Electricity
1
Electrical energy is produced at the power house
2
Transmission lines carry it far at high voltage
3
A transformer lowers the voltage to 220 V
4
It passes the main switch and meter to the distribution board
5
The wiring carries it to the devices in each room
Presenter notes: Today we learn how electrical energy reaches a house and what each device inside the house does.