Elon Musk Would Back Rupert Lowe
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For more on marking an answer as the "Best Answer", please visit our FAQ.The supply being at a higher voltage means that it needs less current for the same amount of power - meaning we can use thinner wires for the same job, and save money & energy.
The fact that the voltage is higher is nothing to worry about - the design of UK electric connectors are much better than most non-UK ones: sockets are gated, unlike most countries, and there's always a live and neutral side - which means appliances can be switched off at the live side and be safer when off.
Thanks guys for your informative replies.
I had been under the impression that because many domestic appliances can run on 12V, there must be some "loss" involved in converting the voltage down and that it was therefore inefficient to use 240V.
As you can probably tell, I don't know much about electricity!! However, I now know more than I did before! Thanks.