11
Domestic Wiring
- Domestic wiring, earthing, and protective devices
- Testing of installation and safety precautions
- Efficient use of energy.
11.1 DOMESTIC WIRING
Electricity distribution authorities supply power to the consumers at the following two voltages. Single-phase supply: 230 V, 50 Hz, two-wire, three-phase supply: 415 V, 50 HZ, four-wire. In a two-wire Single-phase supply there is one phase or live wire and the other is called the neutral wire. Single-phase supply is required for electrical appliances like fan, tube light, lamp, washing machine, refrigerator, electric iron, room heater, room air-conditioner, kitchen electrical appliances like mixer, grinder, microwave oven, etc.
In a four-wire, three-phase supply, ...
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