We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Bambleweeny57
saying something like:

_Mine_ isn't. It's about 240V.
Yours must be special then

UK voltage varies between around 220 to over 250. One of the commonest
reasons for voltage to drop (deliberately at least) is for the power
companies to reduce load slightly at peaks hours.

http://wiki.answers.com/Q/
What_is_the_household_AC_electrical_power_mains_v oltage_in_the_UK

http://en.wikipedia.org/wiki/Mains_p...ound_the_world

You're preaching to the choir.