Question

when the main switch off the house is put off it disconnects the options are -
(a) live wire only
(b) live wire and the earth wire
(c) live wire and neutral wire
(d) earth wire and the neutral wire

Answer 1

Hey dear!

The ans is It disconnects the live and neutral wire..

Hope this helps you..
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Answer 2

In this case when the main switch of the house is switched off it would disconnect the live wire and the neutral wire.

Many people might confuse earth wire with neutral wire, but it needs to be seen that earth wire is completely different from what the other options are.