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nata0808 [166]
3 years ago
5

Describe how the metal case of an electrical appliance is connected to earth

Physics
2 answers:
Misha Larkins [42]3 years ago
7 0
Anything that is medal is connected to earth
Pachacha [2.7K]3 years ago
3 0

This happens through the connection cord, that has 3 wires: 2 wires are used for power supply. The third wire is used to 'ground' the metal case, by connecting it to a special pin from the wall socket. The eletrical installation of the building connects all these ground pins to earth.

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