"Tim Morley" tim.morley*REMOVE wrote in message
. uk...

"Tony Williams" wrote in message
...
In article ,
dave wrote:

My guess is though, that lamp life, (and transformers) are not
linear in this way. If they are not, it is an excellent way of
popping light bulbs way before their time and making £££.

Running a "230V" bulb at 240V almost halves the life.

--
Tony Williams.

And when you get to the top end of our spec 230v +10% = 254v !
This equals very short life for 230v rated equipment. Our factory mains is
at this level and causes us a nightmare. Our tapping from the 11kv
transformer is allready at its lowest setting!

What you want is a nice big fat load to pull the volts down, light bulbs
will last alot longer then! :-)

Tim..