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What Are the Two Main Systems of Wiring Commonly Used in Houses? Which of These Systems Mentioned by You is Better and Why? - Physics

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Question

What are the two main systems of wiring commonly used in houses? Which of these systems mentioned by you is better and why?

Short/Brief Note
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Solution

The two main systems of wiring are:
(i) the tree system, and
(ii) the ring system.
Out of these systems, the ring system is better. The reason is that this system of wiring is cheaper because a low rating wire can be used for connection of appliances.

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