[_] (OT) Basic electronics
Matt Kane
ascorbic at gmail.com
Fri Aug 11 14:21:06 BST 2006
On 11 Aug 2006, at 14:13, Chris Dawson wrote:
> i remember douglas adams raising a point many years ago - with so many
> electrical items stepping down to 12V, why isn't there a push for an
> integrated 12V household circuit to accompany the main ring?
> we could do away with all the transformer blocks, i can count at
> least 15
> under my 2 desks. i'm convinced it would save energy - they're all
> hot.
I'm not sure how much difference it would make within a home, but the
lower the voltage, the more is lost through the resistance of the
wiring. This is why the national grid runs at such high voltages, and
there need to be substations all over the place just to step it down
to 240.
M