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प्रश्न
State one advantage of using the main switch in house wiring.
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उत्तर
The main switch is a double pole switch with an iron covering. The major advantage of using a main switch is that it can break the connection of both, the live and the neutral wire at the same time. This protects electrical appliances from accidental damage due to electrical faults.
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संबंधित प्रश्न
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