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Get Answers to all your Questions
Why is a thicker wire used for carrying large currents in household wiring?
Answers (1)
The large currents are carried on thicker cables mostly because their electrical resistance is lower. This means that:
- Less Heat Generation: the lower resistance causes less energy waste as heat as current passes through. This is necessary as excessive heat might either destroy the insulation of the wire or start a fire.
- The thicker cables allow one to securely carry more current without overheating. This makes them perfect for home wiring where common high currents are seen. Using a thicker wire ensures that electrical energy is transmitted efficiently and safely without excessive heating.
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