Transmision and Distribution of Electricity (6)

Science

Not quite remember

I easily remember

Function of the main switch on the electrical wiring system in the home

Controls the total current flowing through the circuit in the house

Function of the electric meter on the electrical wiring system in the home

Measures the total units of electricity used

Function of the Earth Leakage Circuit Breaker (ELCB)on the electrical wiring system in the home

Breaks the circuit when too much current flows through it

Function of the Miniature Circuit Breaker (MCB) on the electrical wiring system in the home

Separates the final circuit to different electrical appliances

Components in lighting circuit

Lighting circuit is made up of live wire and neutral wire

Components in power circuit

Power circuit is made up of live wire, neutral wire and earth wire

Switch

3 A, 5 A, 10 A and 13 A fuses

Earth Leakage Circuit Break (ELCB)

Miniature circuit breaker (MCB)

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